sige、高线性度、2300mhz 4000mhz 上变频 下变频混频器,带有 · 2010-02-24 ·...
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SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
________________________________________________________________ _Maxim Integrated Products_ _ 1
概述MAX2044单路、高线性度上/下变频混频器可为2300MHz至4000MHz的LTE、WiMAX™以及MMDS无线基础设施应用提供+32.5dBm输入IP3、8.5dB噪声系数和7.7dB转换损耗。MAX2044具有2600MHz至4300MHz较宽的LO频率范围,可用于所有2.5GHz和3.5GHz应用中的低端或高端LO注入结构。
除具有优异的线性度和噪声性能外,MAX2044还具有非常高的元件集成度。该器件包括一个双平衡无源混频器核、一
个LO缓冲器以及支持单端RF和LO输入的片内非平衡变压器。MAX2044需要一个标称0dBm的LO驱动,电源电流在VCC=5.0V时的典型值为138mA、在VCC=3.3V时为121mA。
MAX2044与MAX2029/MAX2031650MHz至1000MHz混频器以及MAX2039/MAX2041/MAX20421700MHz至3000MHz混频器引脚相似。这使得该系列上/下变频混频器非常适合多个频段采用相同PCB布局的应用。
MAX2044采用紧凑的20引脚、薄型QFN(5mmx5mm)封装,带有裸焊盘。在-40°C至+85°C扩展级温度范围内,可保证电气性能。
应用2.5GHzWiMAX和LTE基站
2.7GHzMMDS基站
3.5GHzWiMAX和LTE基站
固定宽带无线接入
无线本地环路
个人移动无线装置
军用系统
特性S 2300MHz至4000MHz RF频率范围
S 2600MHz至4300MHz LO频率范围
S 50MHz至500MHz IF频率范围
S 7.7dB转换损耗
S 8.5dB噪声系数
S +32.5dBm (典型值)输入IP3
S 21dBm (典型值)输入1dB压缩点
S PRF = -10dBm时,具有68dBc (典型值)的2RF - 2LO杂散抑制
S 集成LO缓冲器
S 内部RF和LO非平衡变压器支持单端输入
S -3dBm至+3dBm的低LO驱动
S 引脚相似于MAX2029/MAX2031 650MHz至1000MHz系列混频器和MAX2039/MAX2041/MAX2042 1700MHz至3000MHz系列混频器
S 采用5.0V或3.3V单电源供电
S 外部电流设置电阻允许折中选择混频器的低功耗/低性能工作模式
19-5002; Rev 0; 10/09
+表示无铅(Pb)/符合RoHS标准的封装。*EP=裸焊盘。T=卷带包装。
WiMAX是WiMAX论坛的商标。
定购信息
本文是英文数据资料的译文,文中可能存在翻译上的不准确或错误。如需进一步确认,请在您的设计中参考英文资料。
有关价格、供货及订购信息,请联络Maxim亚洲销售中心:10800 852 1249 (北中国区),10800 152 1249 (南中国区),或访问Maxim的中文网站:china.maxim-ic.com。
PART TEMP_RANGE PIN-PACKAGE
MAX2044ETP+ -40NC to +85NC 20 Thin QFN-EP*
MAX2044ETP+T -40NC to +85NC 20 Thin QFN-EP*
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
2_ _ _______________________________________________________________________________________
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
VCC to GND ..........................................................-0.3V to +5.5VIF+, IF-, LOBIAS to GND .......................... -0.3V to (VCC + 0.3V)RF, LO Input Power .......................................................+20dBmRF, LO Current (RF and LO is DC shorted to GND through a balun)................................... .............50mAContinuous Power Dissipation (Note 1) .................................5WBJA (Notes 2, 3) ............................................................ +38NC/W
BJC (Notes 1, 3) ............................................................ +13NC/WOperating Case Temperature Range (Note 4) ..................................... TC = -40NC to +85NCJunction Temperature .....................................................+150NCStorage Temperature Range ............................ -65NC to +150NCLead Temperature (soldering, 10s) ................................+300NC
5.0V_SUPPLY_DC_ELECTRICAL_CHARACTERISTICS(Typical Application Circuit, VCC = 4.75V to 5.25V, no input RF or LO signals. TC = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = 5.0V, TC = +25NC, all parameters are production tested.)
ABSOLUTE_MAXIMUM_RATINGS
Note_1: Based on junction temperature TJ = TC + (BJC x VCC x ICC). This formula can be used when the temperature of the exposed pad is known while the device is soldered down to a PCB. See the Applications Information section for details. The junction temperature must not exceed +150NC.
Note_2: Junction temperature TJ = TA + (BJA x VCC x ICC). This formula can be used when the ambient temperature of the PCB is known. The junction temperature must not exceed +150NC.
Note_3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to china.maxim-ic.com/thermal-tutorial.
Note_4: TC is the temperature on the exposed pad of the package. TA is the ambient temperature of the device and PCB.
3.3V_SUPPLY_DC_ELECTRICAL_CHARACTERISTICS(Typical Application Circuit, VCC = 3.0V to 3.6V, no input RF or LO signals. TC = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = 3.3V, TC = +25NC, parameters are guaranteed by design, unless otherwise noted.)
RECOMMENDED_AC_OPERATING_CONDITIONS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage VCC 4.75 5.0 5.25 V
Supply Current ICC 138 155 mA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage VCC 3.0 3.3 3.6 V
Supply Current ICC Total supply current, VCC = 3.3V 121 135 mA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF Frequency Range fRF
Typical Application Circuit with C1 = 3.3nH and C12 = 0.3pF, see Table 1 for details (Note 5)
2300 3000
MHzTypical Application Circuit with C1 = 8.2pF and C12 not installed, see Table 1 for details (Note 5)
3000 4000
LO Frequency fLO (Note 5) 2600 4300 MHz
IF Frequency fIF
Using an M/A-Com MABAES0029 1:1 transformer as defined in the Typical Application Circuit, IF matching components affect the IF frequency range (Note 5)
50 500 MHz
LO Drive PLO (Note 5) -3 0 +3 dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
________________________________________________________________________________________ _ 3
5.0V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(DOWNCONVERTER_MODE,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_1, VCC = 4.75V to 5.25V, RF and LO ports are driven from 50I sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 3100MHz to 3900MHz, fLO = 2800MHz to 3600MHz, fIF = 300MHz, fRF > fLO, TC = -40NC to +85NC. Typical values are at VCC = 5.0V, PRF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 300MHz, TC = +25NC. All parameters are guaranteed by design, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC TC = +25NC (Notes 7, 8) 7.2 7.7 8.5 dB
Loss Variation vs. Frequency DLC
fRF = 3100MHz to 3900MHz, over any 100MHz band
0.15
dBfRF = 3100MHz to 3900MHz, over any 200MHz band
0.25
Conversion Loss Temperature Coefficient
TCCLfRF = 3100MHz to 3900MHz, TC = -40NC to +85NC
0.01 dB/NC
Input Compression Point IP1dB (Note 9) 21 dBm
Third-Order Input Intercept Point
IIP3
fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone(Note 7, 8)
28.3 32.5
dBmfRF = 3500MHz, fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone. TC = +25NC (Notes 7, 8)
30.0 32.5
Third-Order Input Intercept Point Variation Over Temperature
fRF = 3100MHz to 3900MHz, fIF = 300MHz, fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone, TC = -40NC to +85NC
±0.5 dBm
Noise Figure NFSSB
Single sideband, no blockers present (Notes 7, 10)
8.5 10
dBSingle sideband, no blockers present, TC = +25NC (Notes 7, 10)
8.5 9.2
Noise Figure Temperature Coefficient
TCNFSingle sideband, no blockers present, TC = -40NC to +85NC
0.018 dB/NC
Noise Figure Under Blocking Conditions
NFB
+8dBm blocker tone applied to RF port, fBLOCKER = 3750MHz, fRF = 3500MHz, fLO = 3200MHz, PLO = 0dBm, VCC = 5.0V, TC = +25NC (Notes 7, 10, 11)
17.5 20 dB
2RF - 2LO Spurious Rejection 2 x 2
fSPUR = fLO + 150MHz, TC = +25NC
PRF = -10dBm (Notes 7, 10)
62 68
dBcPRF = 0dBm (Notes 7, 8) 52 58
fSPUR = fLO + 150MHz
PRF = -10dBm (Notes 7, 10)
60 68
PRF = 0dBm (Notes 7, 8) 50 58
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
4_ _ _______________________________________________________________________________________
5.0V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(DOWNCONVERTER_MODE,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)_(continued)(Typical Application Circuit with tuning elements outlined in Table_1, VCC = 4.75V to 5.25V, RF and LO ports are driven from 50I sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 3100MHz to 3900MHz, fLO = 2800MHz to 3600MHz, fIF = 300MHz, fRF > fLO, TC = -40NC to +85NC. Typical values are at VCC = 5.0V, PRF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 300MHz, TC = +25NC. All parameters are guaranteed by design, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
3RF - 3LO Spurious Rejection 3 x 3
fSPUR = fLO + 100MHz, TC = +25NC
PRF = -10dBm (Notes 7, 10)
82 89
dBcPRF = 0dBm (Notes 7, 8) 62 69
fSPUR = fLO + 100MHz
PRF = -10dBm (Notes 7, 10)
81 89
PRF = 0dBm (Notes 7, 8) 61 69
RF Input Return Loss RLRFLO on and IF terminated into a matched impedance
16 dB
LO Input Return Loss RLLORF and IF terminated into a matched impedance
14 dB
IF Output Impedance ZIFNominal differential impedance at the IC’s IF outputs
50 I
IF Output Return Loss RLIF
RF terminated into 50I, LO driven by a 50I source, IF transformed to 50I using external components shown in the Typical Application Circuit
16 dB
RF-to-IF Isolation fRF = 3500MHz, PLO = +3dBm (Note 8) 33 42 dB
LO Leakage at RF PortfLO = 2500MHz to 4000MHz, PLO = +3dBm (Notes 7, 8)
-31 dBm
2LO Leakage at RF Port PLO = +3dBm -35 dBm
LO Leakage at IF Port PLO = +3dBm (Note 8) -28 dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
________________________________________________________________________________________ _ 5
3.3V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(DOWNCONVERTER_MODE,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_1, RF and LO ports are driven from 50I sources. Typical values are at VCC = 3.3V, PRF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 300MHz, TC = +25NC, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC 7.7 dB
Loss Variation vs. Frequency DLCfRF = 3100MHz to 3900MHz, over any 100MHz band
0.1 dB
Conversion Loss Temperature Coefficient
TCCLfRF = 3100MHz to 3900MHz, TC = -40NC to +85NC
0.009 dB/NC
Input Compression Point IP1dB (Note 9) 19.5 dBm
Third-Order Input Intercept Point
IIP3 fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone 29.5 dBm
Third-Order Input Intercept Variation Over Temperature
fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone, TC = -40NC to +85NC
±0.2 dB
Noise Figure NFSSB Single sideband, no blockers present 8.5 dB
Noise Figure Temperature Coefficient
TCNFSingle sideband, no blockers present, TC = -40NC to +85NC
0.018 dB/NC
2RF - 2LO Spurious Rejection 2 x 2fSPUR = fLO + 150MHz
PRF = -10dBm 69dBc
PRF = 0dBm 64
3RF - 3LO Spurious Rejection 3 x 3fSPUR = fLO + 100MHz
PRF = -10dBm 73.3dBc
PRF = 0dBm 63.3
RF Input Return Loss RLRFLO on and IF terminated into a matched impedance
18 dB
LO Input Return Loss RLLORF and IF terminated into a matched impedance
19 dB
IF Output Impedance ZIFNominal differential impedance at the IC’s IF outputs
50 I
IF Output Return Loss RLIF
RF terminated into 50I, LO driven by a 50I source, IF transformed to 50I using external components shown in the Typical Application Circuit
14.5 dB
RF-to-IF IsolationfRF = 3100MHz to 3900MHz, PLO = +3dBm
41 dB
LO Leakage at RF PortfLO = 2800MHz to 3600MHz, PLO = +3dBm
-30 dBm
2LO Leakage at RF PortfLO = 2800MHz to 3600MHz, PLO = +3dBm
-25.6 dBm
LO Leakage at IF PortfLO = 2800MHz to 3600MHz, PLO = +3dBm
-27 dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
6_ _ _______________________________________________________________________________________
5.0V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(DOWNCONVERTER_MODE,__fRF_=_2300MHz_to_2900MHz,_HIGH-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_1, RF and LO ports are driven from 50I sources. Typical values are at VCC = 5.0V, PRF = 0dBm, PLO = 0dBm, fRF = 2600MHz, fLO = 2900MHz, fIF = 300MHz, TC = +25NC, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC 8.1 dB
Loss Variation vs. Frequency DLCfRF = 2300MHz to 2900MHz, over any 100MHz band
0.15 dB
Conversion Loss Temperature Coefficient
TCCLfRF = 2300MHz to 2900MHz, TC = -40NC to +85NC
0.008 dB/NC
Third-Order Input Intercept Point
IIP3 fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone 34 dBm
Third-Order Input Intercept Variation Over Temperature
fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone, TC = -40NC to +85NC
±0.2 dB
2LO - 2RF Spurious Rejection 2 x 2 fSPUR = fLO - 150MHzPRF = -10dBm 67
dBcPRF = 0dBm 62
3LO - 3RF Spurious Rejection 3 x 3 fSPUR = fLO - 100MHzPRF = -10dBm 79
dBcPRF = 0dBm 69
RF Input Return Loss RLRFLO on and IF terminated into a matched impedance
23 dB
LO Input Return Loss RLLORF and IF terminated into a matched impedance
17 dB
IF Output Impedance ZIFNominal differential impedance at the IC’s IF outputs
50 I
IF Output Return Loss RLIF
RF terminated into 50I, LO driven by a 50I source, IF transformed to 50I using external components shown in the Typical Application Circuit
13.6 dB
RF-to-IF IsolationfRF = 2300MHz to 2900MHz, PLO = +3dBm
39 dB
LO Leakage at RF PortfLO = 2600MHz to 3200MHz, PLO = +3dBm
-29.5 dBm
2LO Leakage at RF PortfLO = 2600MHz to 3200MHz, PLO = +3dBm
-43 dBm
LO Leakage at IF PortfLO = 2600MHz to 3200MHz, PLO = +3dBm
-28.6 dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
________________________________________________________________________________________ _ 7
5.0V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(DOWNCONVERTER_MODE,__fRF_=_3100MHz_to_3900MHz,_HIGH-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_1, RF and LO ports are driven from 50I sources. Typical values are at VCC = 5.0V, PRF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3800MHz, fIF = 300MHz, TC = +25NC, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC 7.8 dB
Loss Variation vs. Frequency DLCfRF = 3100MHz to 3900MHz, over any 100MHz band
0.15 dB
Conversion Loss Temperature Coefficient
TCCLfRF = 3100MHz to 3900MHz, TC = -40NC to +85NC
0.008 dB/NC
Third-Order Input Intercept Point
IIP3 fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone 31.5 dBm
Third-Order Input Intercept Variation Over Temperature
fRF1 - fRF2 = 1MHz, PRF = 0dBm per tone, TC = -40NC to +85NC
±0.2 dB
2LO - 2RF Spurious Rejection 2 x 2 fSPUR = fLO - 150MHzPRF = -10dBm 67
dBcPRF = 0dBm 62
3LO - 3RF Spurious Rejection 3 x 3 fSPUR = fLO - 100MHzPRF = -10dBm 76.7
dBcPRF = 0dBm 66.7
RF Input Return Loss RLRFLO on and IF terminated into a matched impedance
17.7 dB
LO Input Return Loss RLLORF and IF terminated into a matched impedance
16.3 dB
IF Output Impedance ZIFNominal differential impedance at the IC’s IF outputs
50 I
IF Output Return Loss RLIF
RF terminated into 50I, LO driven by a 50I source, IF transformed to 50I using external components shown in the Typical Application Circuit
15 dB
RF-to-IF IsolationfRF = 3100MHz to 3900MHz, PLO = +3dBm
41 dB
LO Leakage at RF PortfLO = 3400MHz to 4200MHz, PLO = +3dBm
-30 dBm
2LO Leakage at RF PortfLO = 3400MHz to 4200MHz, PLO = +3dBm
-21 dBm
LO Leakage at IF PortfLO = 3400MHz to 4200MHz, PLO = +3dBm
-27.2 dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
8_ _ _______________________________________________________________________________________
5.0V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(UPCONVERTER_OPERATION,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_2, RF and LO ports are driven from 50I sources. Typical values are for TC = +25NC, VCC = 5.0V, PIF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3300MHz, fIF = 200MHz, unless otherwise noted.)
3.3V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(UPCONVERTER_OPERATION,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)(Typical Application Circuit with tuning elements outlined in Table_2, RF and LO ports are driven from 50I sources. Typical values are for TC = +25NC, VCC = 3.3V, PIF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 200MHz, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC 7.7 dB
Conversion Loss Variation vs. Frequency
DLC
fRF = 3100MHz to 3900MHz, over any 100MHz band
0.2
dBfRF = 3100MHz to 3900MHz, over any 200MHz band
0.25
Conversion Loss Temperature Coefficient
TCCL TC = -40NC to +85NC 0.01 dB/NC
Input Third-Order Intercept Point IIP3fIF1 = 200MHz, fIF2 = 201MHz, PIF = 0dBm/tone
33.5 dBm
IIP3 Variation with TCfIF1 = 200MHz, fIF2 = 201MHz, PIF = 0dBm/tone, TC = -40NC to +85NC
±0.2 dB
LO ± 2IF Spur 1 x 2LO - 2IF 61.6
dBcLO + 2IF 60.2
LO ± 3IF Spur 1 x 3LO - 3IF 78.2
dBcLO + 3IF 80.3
Output Noise Floor POUT = 0dBm (Note 11) -165 dBm/Hz
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss LC 8 dB
Conversion Loss Variation vs. Frequency
DLC
fRF = 3100MHz to 3900MHz, over any 100MHz band
0.2
dBfRF = 3100MHz to 3900MHz, over any 200MHz band
0.25
Conversion Loss Temperature Coefficient
TCCL TC = -40NC to +85NC 0.01 dB/NC
Input Third-Order Intercept Point IIP3fIF1 = 200MHz, fIF2 = 201MHz, PIF = 0dBm/tone
29.5 dBm
IIP3 Variation with TCfIF1 = 200MHz, fIF2 = 201MHz, PIF = 0dBm/tone, TC = -40NC to +85NC
±0.2 dB
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
________________________________________________________________________________________ _ 9
3.3V_SUPPLY_AC_ELECTRICAL_CHARACTERISTICS_(UPCONVERTER_OPERATION,__fRF_=_3100MHz_to_3900MHz,_LOW-SIDE_LO_INJECTION)_(continued)(Typical Application Circuit with tuning elements outlined in Table_2, RF and LO ports are driven from 50I sources. Typical values are for TC = +25NC, VCC = 3.3V, PIF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 200MHz, unless otherwise noted.)
Note_5: Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating Characteristics.
Note_6: All limits reflect losses of external components, including a 0.5dB loss at fIF = 300MHz due to the 1:1 impedance trans-former. Output measurements were taken at IF outputs of the Typical Application Circuit.
Note_7: Guaranteed by design and characterization.Note_8: 100% production tested for functional performance.Note_9: Maximum reliable continuous input power applied to the RF or IF port of this device is +20dBm from a 50I source.Note_10: Not production tested.Note_11: Measured with external LO source noise filtered so the noise floor is -174dBm/Hz. This specification reflects the effects
of all SNR degradations in the mixer, including the LO noise as defined in Application Note 2021: Specifications and Measurement of Local Oscillator Noise in Integrated Circuit Base Station Mixers.
典型工作特性(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LO ± 2IF Spur 1 x 2LO - 2IF 58.9
dBcLO + 2IF 57.8
LO ± 3IF Spur 1 x 3LO - 3IF 69.4
dBcLO + 3IF 69.5
Output Noise Floor POUT = 0dBm (Note 11) -165 dBm/Hz
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc0
1
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
TC = +85°C TC = +25°C
TC = -40°C
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc0
2
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc0
3
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 4.75V, 5.0V, 5.25V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
10_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
INPUT IP3 vs. RF FREQUENCYM
AX20
44 to
c04
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
29
31
33
35
37
273000 4000
TC = +85°C
TC = +25°C
TC = -40°C
PRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc0
5
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
29
31
33
35
37
273000 4000
PLO = -3dBm
PLO = 0dBm
PLO = +3dBm
PRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc0
6
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
38003600340032003000 4000
VCC = 4.75V
VCC = 5.0V
VCC = 5.25V
PRF = 0dBm/TONE
29
31
33
35
37
27
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc0
7
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
55
60
65
70
75
503000 4000
PRF = 0dBm
TC = +85°C
TC = +25°C
TC = -40°C
2RF - 2LO RESPONSE vs. RF FREQUENCYM
AX20
44 to
c08
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
55
60
65
70
75
503000 4000
PRF = 0dBm
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc0
9
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
55
60
65
70
75
503000 4000
PRF = 0dBm
VCC = 4.75V
VCC = 5.0V
VCC = 5.25V
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
0
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
TC = +85°C
TC = +25°CTC = -40°C
PRF = 0dBm
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
1
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
PLO = -3dBm
PLO = +3dBm
PLO = 0dBm
PRF = 0dBm
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
2
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
VCC = 4.75V
VCC = 5.25V
VCC = 5.0V
PRF = 0dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 11
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
NOISE FIGURE vs. RF FREQUENCYM
AX20
44 to
c13
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
TC = +85°CTC = +25°C
TC = -40°C
NOISE FIGURE vs. RF FREQUENCY
MAX
2044
toc1
4
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
PLO = -3dBm, 0dBm, +3dBm
NOISE FIGURE vs. RF FREQUENCY
MAX
2044
toc1
5
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
INPUT P1dB vs. RF FREQUENCY
MAX
2044
toc1
6
RF FREQUENCY (MHz)
INPU
T P 1
dB (d
Bm)
3800360034003200
19
21
23
25
173000 4000
TC = +85°C
TC = +25°C
TC = -40°C
MAX
2044
toc1
7
RF FREQUENCY (MHz)
3800360034003200
19
21
23
25
173000 4000
PLO = 0dBm
PLO = +3dBm
PLO = -3dBm
INPUT P1dB vs. RF FREQUENCY
INPU
T P 1
dB (d
Bm)
MAX
2044
toc1
8
RF FREQUENCY (MHz)
3800360034003200
19
21
23
25
173000 4000
VCC = 4.75V
VCC = 5.25V
VCC = 5.0V
INPUT P1dB vs. RF FREQUENCY
INPU
T P 1
dB (d
Bm)
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc1
9
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
TC = +85°C
TC = +25°C
TC = -40°C
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc2
0
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc2
1
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
VCC = 4.75V, 5.0V, 5.25V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
12_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
RF-TO-IF ISOLATION vs. RF FREQUENCYM
AX20
44 to
c22
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
TC = -40°CTC = +25°C
TC = +85°C
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc2
3
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
PLO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc2
4
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
VCC = 4.75V, 5.0V, 5.25V
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc2
5
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
TC = -40°CTC = +25°C
TC = +85°C
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc2
6
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc2
7
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
VCC = 4.75V, 5.0V, 5.25V
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc2
8
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
TC = +85°C
TC = +25°C
TC = -40°C
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc2
9
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
PLO = -3dBm
PLO = 0dBm
PLO = +3dBm
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc3
0
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
VCC = 4.75V
VCC = 5.25V
VCC = 5.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 13
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
25
20
15
10
5
0
30
RF PORT RETURN LOSSvs. RF FREQUENCY
MAX
2044
toc3
1
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
38003600340032003000 4000
PLO = -3dBm, 0dBm, +3dBm
fIF = 300MHz
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc3
3
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
3000 3500
20
10
0
302500 4000
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
25
20
15
10
5
0
30
IF PORT RETURN LOSSvs. IF FREQUENCY
MAX
2044
toc3
2
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
41032023014050 500
VCC = 4.75V, 5.0V, 5.25V
fLO = 3200MHz
SUPPLY CURRENTvs. TEMPERATURE (TC)
MAX
2044
toc3
4
TEMPERATURE (°C)
SUPP
LY C
URRE
NT (m
A)
125
130
135
140
145
150
120603510-15-40 85
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
14_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 3.3V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
CONVERSION LOSS vs. RF FREQUENCYM
AX20
44 to
c35
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
TC = -40°C
TC = +85°CTC = +25°C
VCC = 3.3V
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc3
6
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc3
7
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 3.0V, 3.3V, 3.6V
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc3
8
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
26
28
30
32
34
243000 4000
TC = -40°CTC = +25°C
TC = +85°C
VCC = 3.3VPRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCYM
AX20
44 to
c39
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
26
28
30
32
34
243000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3VPRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc4
0
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
38003600340032003000 4000
VCC = 3.0VVCC = 3.3V
VCC = 3.6V
PRF = 0dBm/TONE
26
28
30
32
34
24
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc4
1
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
TC = +85°C
TC = +25°CTC = -40°C
VCC = 3.3VPRF = 0dBm
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc4
2
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
VCC = 3.3VPRF = 0dBm
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc4
3
RF FREQUENCY (MHz)
2RF
- 2LO
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
VCC = 3.3VVCC = 3.6V
VCC = 3.0V
PRF = 0dBm
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 15
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 3.3V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
3RF - 3LO RESPONSE vs. RF FREQUENCYM
AX20
44 to
c44
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
453000 4000
TC = +25°C
TC = -40°CTC = +85°C
VCC = 3.3VPRF = 0dBm
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc4
5
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
453000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3VPRF = 0dBm
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX
2044
toc4
6
RF FREQUENCY (MHz)
3RF
- 3LO
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
453000 4000
PRF = 0dBm
VCC = 3.0V
VCC = 3.6V
VCC = 3.3V
NOISE FIGURE vs. RF FREQUENCY
MAX
2044
toc4
7
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
TC = +85°C
TC = +25°C
VCC = 3.3V
TC = -40°C
NOISE FIGURE vs. RF FREQUENCYM
AX20
44 to
c48
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
PLO = -3dBmPLO = 0dBm
VCC = 3.3V
PLO = +3dBm
NOISE FIGURE vs. RF FREQUENCY
MAX
2044
toc4
9
RF FREQUENCY (MHz)
NOIS
E FI
GURE
(dB)
6
7
8
9
10
11
538003600340032003000 4000
VCC = 3.0V
VCC = 3.3V
VCC = 3.6V
INPUT P1dB vs. RF FREQUENCY
MAX
2044
toc5
0
RF FREQUENCY (MHz)
INPU
T P 1
dB (d
Bm)
38003600340032003000 4000
TC = +85°C
TC = +25°C
TC = -40°C
VCC = 3.3V
17
19
21
23
15
INPUT P1dB vs. RF FREQUENCY
MAX
2044
toc5
1
RF FREQUENCY (MHz)
INPU
T P 1
dB (d
Bm)
3800360034003200
17
19
21
23
153000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
INPUT P1dB vs. RF FREQUENCY
MAX
2044
toc5
2
RF FREQUENCY (MHz)
INPU
T P 1
dB (d
Bm)
3800360034003200
17
19
21
23
153000 4000
VCC = 3.0V
VCC = 3.3V
VCC = 3.6V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
16_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 3.3V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc5
3
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
TC = +85°C
TC = +25°CTC = -40°C
VCC = 3.3V
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc5
4
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
LO LEAKAGE AT IF PORTvs. LO FREQUENCY
MAX
2044
toc5
5
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
3500330031002900
-30
-20
-10
-402700 3700
VCC = 3.0V, 3.3V, 3.6V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc5
6
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
TC = -40°CTC = +25°C
TC = +85°C
VCC = 3.3V
RF-TO-IF ISOLATION vs. RF FREQUENCYM
AX20
44 to
c57
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc5
8
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
VCC = 3.0V, 3.3V, 3.6V
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc5
9
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
TC = -40°C, +25°C, +85°C
VCC = 3.3V
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc6
0
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc6
1
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3000 3500
-40
-30
-20
-502500 4000
VCC = 3.0V, 3.3V, 3.6V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 17
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 3.3V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_low-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc6
2
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
35003000
-45
-35
-25
-15
-552500 4000
TC = -40°C
TC = +25°CTC = +85°C
VCC = 3.3V
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc6
3
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
35003000
-45
-35
-25
-15
-552500 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3V
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc6
4
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
35003000
-45
-35
-25
-15
-552500 4000
VCC = 3.6V
VCC = 3.3V
VCC = 3.0V
25
20
15
10
5
0
30
RF PORT RETURN LOSSvs. RF FREQUENCY
MAX
2044
toc6
5
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
38003600340032003000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3VfIF = 300MHz
25
20
15
10
5
0
30
IF PORT RETURN LOSSvs. IF FREQUENCY
MAX
2044
toc6
6
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
41032023014050 500
VCC = 3.0V, 3.3V, 3.6V
fLO = 3200MHz
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc6
7
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
3000 3500
20
10
0
302500 4000
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
VCC = 3.3V
SUPPLY CURRENTvs.TEMPERATURE (TC)
MAX
2044
toc6
8
TEMPERATURE (°C)
SUPP
LY C
URRE
NT (m
A)
110
115
120
125
130
135
105603510-15-40 85
VCC = 3.6V
VCC = 3.3V
VCC = 3.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
18_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 2300MHz_ to_2900MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
CONVERSION LOSS vs. RF FREQUENCYM
AX20
44 to
c69
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
275026002450
7
8
9
10
62300 2900
TC = +25°CTC = +85°C
TC = -40°C
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc7
0
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
275026002450
7
8
9
10
62300 2900
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc7
1
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
275026002450
7
8
9
10
62300 2900
VCC = 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc7
2
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
275026002450
29
31
33
35
37
272300 2900
TC = +25°C
TC = -40°C
TC = +85°C
PRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCYM
AX20
44 to
c73
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
275026002450
29
31
33
35
37
272300 2900
PLO = +3dBmPRF = 0dBm/TONE
PLO = -3dBm
PLO = 0dBm
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc7
4
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
275026002450
29
31
33
35
37
272300 2900
PRF = 0dBm/TONE
VCC = 5.25V
VCC = 4.75V
VCC = 5.0V
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc7
5
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
275026002450
60
70
80
502300 2900
PRF = 0dBm
TC = +85°C
TC = -40°C
TC = +25°C
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc7
6
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
275026002450
60
70
80
502300 2900
PRF = 0dBm
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc7
7
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
275026002450
60
70
80
502300 2900
PRF = 0dBm
VCC = 4.75V
VCC = 5.25V
VCC = 5.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 19
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 2300MHz_ to_2900MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc7
8
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
275026002450
65
75
85
552300 2900
PRF = 0dBm
TC = +85°C
TC = +25°C
TC = -40°C
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc7
9
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
275026002450
65
75
85
552300 2900
PRF = 0dBm
PLO = +3dBm
PLO = 0dBm PLO = -3dBm
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc8
0
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
275026002450
65
75
85
552300 2900
PRF = 0dBm
VCC = 5.25V
VCC = 4.75VVCC = 5.0V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc8
1
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
305029002750
-35
-30
-25
-20
-402600 3200
TC = +25°C
TC = +85°C
TC = -40°C
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc8
2
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
305029002750
-35
-30
-25
-20
-402600 3200
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc8
3
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
305029002750
-35
-30
-25
-20
-402600 3200
VCC = 5.0V
VCC = 4.75V
VCC = 5.25V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc8
4
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
275026002450
30
40
50
60
202300 2900
TC = +85°CTC = +25°C
TC = -40°C
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc8
5
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
275026002450
30
40
50
60
202300 2900
PLO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc8
6
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
275026002450
30
40
50
60
202300 2900
VCC = 4.75V, 5.0V, 5.25V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
20_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 2300MHz_ to_2900MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc8
7
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
357531502725
-40
-30
-20
-502300 4000
TC = +85°C
TC = +25°CTC = -40°C
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc8
8
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
357531502725
-40
-30
-20
-502300 4000
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc8
9
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
357531502725
-40
-30
-20
-502300 4000
VCC = 4.75V, 5.0V, 5.25V
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc9
0
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
357531502725
-50
-40
-30
-20
-602300 4000
TC = +25°CTC = -40°C
TC = +85°C
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc9
1
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
357531502725
-50
-40
-30
-20
-602300 4000
PLO = 0dBmPLO = +3dBm
PLO = -3dBm
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc9
2
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
357531502725
-50
-40
-30
-20
-602300 4000
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 21
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 2300MHz_ to_2900MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
RF PORT RETURN LOSSvs. RF FREQUENCY
MAX
2044
toc9
3
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
275026002450
25
20
15
10
5
0
302300 2900
PLO = -3dBm, 0dBm, +3dBm
fIF = 300MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
MAX
2044
toc9
4
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
410320230140
25
20
15
10
5
0
3050 500
fLO = 2600MHz fLO = 2900MHz
fLO = 3200MHz
VCC = 4.75V, 5.0V, 5.25V
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc9
5
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
35003000
30
20
10
0
402500 4000
PLO = -3dBm
PLO = +3dBmPLO = 0dBm
SUPPLY CURRENTvs. TEMPERATURE (TC)
MAX
2044
toc9
6
TEMPERATURE (°C)
SUPP
LY C
URRE
NT (m
A)
603510-15
125
130
135
140
145
150
120-40 85
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
22_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc1
00
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
29
31
33
35
37
273000 4000
TC = -40°C
TC = +85°C
TC = +25°C
PRF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCYM
AX20
44 to
c101
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
29
31
33
35
37
273000 4000
PRF = 0dBm/TONE
PLO = +3dBm
PLO = -3dBmPLO = 0dBm
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc1
02
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
29
31
33
35
37
273000 4000
PRF = 0dBm/TONE
VCC = 5.0VVCC = 5.25V
VCC = 4.75V
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
03
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
TC = +85°C
TC = -40°C TC = +25°C
PRF = 0dBm
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
04
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
PRF = 0dBm
2LO - 2RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
05
RF FREQUENCY (MHz)
2LO
- 2RF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
503000 4000
PRF = 0dBm
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
CONVERSION LOSS vs. RF FREQUENCYM
AX20
44 to
c97
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
TC = +85°CTC = +25°C
TC = -40°C
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc9
8
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc9
9
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 4.75V, 5.0V, 5.25V
MA
X2044
_______________________________________________________________________________________ _ 23
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
06
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
PRF = 0dBm
TC = -40°C
TC = +85°CTC = +25°C
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
07
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
PRF = 0dBm
PLO = 0dBmPLO = +3dBm
PLO = -3dBm
3LO - 3RF RESPONSEvs. RF FREQUENCY
MAX
2044
toc1
08
RF FREQUENCY (MHz)
3LO
- 3RF
RES
PONS
E (d
Bc)
3800360034003200
65
75
85
553000 4000
PRF = 0dBm
VCC = 5.0VVCC = 5.25V
VCC = 4.75V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc1
09
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
4100390037003500
-30
-20
-10
-403300 4300
TC = -40°C
TC = +85°CTC = +25°C
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc1
10
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
4100390037003500
-30
-20
-10
-403300 4300
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX
2044
toc1
11
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
4100390037003500
-30
-20
-10
-403300 4300
VCC = 4.75V, 5.0V, 5.25V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc1
12
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
TC = +25°C, +85°C
TC = -40°C
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc1
13
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
PLO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX
2044
toc1
14
RF FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
3800360034003200
30
40
50
60
203000 4000
VCC = 4.75V, 5.0V, 5.25V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
24_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
15
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3500 4000
-40
-30
-20
-503000 4500
TC = +85°C
TC = +25°CTC = -40°C
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
16
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3500 4000
-40
-30
-20
-503000 4500
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
17
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3500 4000
-40
-30
-20
-503000 4500
VCC = 4.75V, 5.0V, 5.25V
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
18
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
38003400
-40
-30
-20
-10
-503000 4200
TC = -40°C
TC = +25°C
TC = +85°C
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
19
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
38003400
-40
-30
-20
-10
-503000 4200
PLO = 0dBm
PLO = +3dBm
PLO = -3dBm
2LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
20
LO FREQUENCY (MHz)
2LO
LEAK
AGE
AT R
F PO
RT (d
Bm)
38003400
-40
-30
-20
-10
-503000 4200
VCC = 4.75V
VCC = 5.25V
VCC = 5.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 25
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_ 1,_ Downconverter_ Mode,_ VCC_ =_ 5.0V,_ fRF_ =_ 3000MHz_ to_4000MHz,_LO_is_high-side_injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
RF PORT RETURN LOSSvs. RF FREQUENCY
MAX
2044
toc1
21
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
3800360034003200
25
20
15
10
5
0
303000 4000
fIF = 300MHz
PLO = -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSSvs. IF FREQUENCY
MAX
2044
toc1
22
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
410320230140
25
20
15
10
5
0
3050 500
fLO = 3800MHz
VCC = 4.75V, 5.0V, 5.25V
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc1
23
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
40003500
40
30
20
10
0
503000 4500
PLO = -3dBm
PLO = +3dBm
PLO = 0dBm
SUPPLY CURRENTvs. TEMPERATURE (TC)
MAX
2044
toc1
24
TEMPERATURE (°C)
SUPP
LY C
URRE
NT (m
A)
603510-15
125
130
135
140
145
150
120-40 85
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
26_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_5.0V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected,_fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
CONVERSION LOSS vs. RF FREQUENCYM
AX20
44 to
c125
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
TC = +85°C TC = +25°C
TC = -40°C
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc1
26
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc1
27
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc1
28
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
30
32
34
36
283000 4000
TC = -40°C
PIF = 0dBm/TONE
TC = +25°C
TC = +85°C
INPUT IP3 vs. RF FREQUENCYM
AX20
44 to
c129
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
30
32
34
36
283000 4000
PLO = +3dBm
PLO = 0dBmPLO = -3dBm
PIF = 0dBm/TONE
INPUT IP3 vs. RF FREQUENCY
MAX
2044
toc1
30
RF FREQUENCY (MHz)
INPU
T IP
3 (d
Bm)
3800360034003200
30
32
34
36
283000 4000
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
PIF = 0dBm/TONE
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
31
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
TC = +85°CTC = +25°C
TC = -40°C
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
32
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
33
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
VCC = 5.0V
VCC = 5.25V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 27
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_5.0V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected,_fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO + 2IF RESPONSE vs. RF FREQUENCYM
AX20
44 to
c134
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
TC = +85°CTC = +25°C
TC = -40°C
LO + 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
35
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
PLO = +3dBmPLO = 0dBm
PLO = -3dBm
LO + 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
36
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBmVCC = 5.0V
VCC = 4.75V
VCC = 5.25V
LO - 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
37
RF FREQUENCY (MHz)
LO -
3IF
RESP
ONSE
(dBc
)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
TC = +85°C
TC = -40°C
TC = +25°C
LO - 3IF RESPONSE vs. RF FREQUENCYM
AX20
44 to
c138
RF FREQUENCY (MHz)
LO -
3IF
RESP
ONSE
(dBc
)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
LO - 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
39
RF FREQUENCY (MHz)
LO -
3IF
RESP
ONSE
(dBc
)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
40
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
TC = +85°C
TC = -40°C
TC = +25°C
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
41
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
42
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
70
80
90
100
603000 4000
PIF = 0dBm
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
28_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_5.0V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected,_fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
43
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
TC = -40°C
TC = +85°C TC = +25°C
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
44
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
45
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
VCC = 4.75V, 5.0V, 5.25V
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
-90
-80
-70
-60
-50
-100
MAX
2044
toc1
46
LO FREQUENCY (MHz)
36003400320030002800 3800
TC = -40°C
TC = +85°C
TC = +25°C
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
-90
-80
-70
-60
-50
-100
MAX
2044
toc1
47
LO FREQUENCY (MHz)
36003400320030002800 3800
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
-90
-80
-70
-60
-50
-100
MAX
2044
toc1
48
LO FREQUENCY (MHz)
36003400320030002800 3800
VCC = 5.25V
VCC = 4.75VVCC = 5.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 29
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_5.0V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected,_fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
RF PORT RETURN LOSS vs. RF FREQUENCY
MAX
2044
toc1
49
RF P
ORT
RETU
RN L
OSS
(dB)
25
20
15
10
5
0
30
RF FREQUENCY (MHz)
38003600340032003000 4000
PLO = -3dBm, 0dBm, +3dBm
fIF = 200MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
MAX
2044
toc1
50
IF P
ORT
RETU
RN L
OSS
(dB)
25
20
15
10
5
0
30
IF FREQUENCY (MHz)
41032023014050 500
fLO = 3200MHz
VCC = 4.75V, 5.0V, 5.25V
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc1
51
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
35003000
25
20
15
10
5
0
302500 4000
PLO = 0dBm
PLO = -3dBm
PLO = +3dBm
SUPPLY CURRENTvs. TEMPERATURE (TC)
MAX
2044
toc1
52
SUPP
LY C
URRE
NT (m
A)
125
130
135
140
145
150
120
TEMPERATURE (°C)
603510-15-40 85
VCC = 5.25V VCC = 5.0V
VCC = 4.75V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
30_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_3.3V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected, fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
CONVERSION LOSS vs. RF FREQUENCYM
AX20
44 to
c153
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
TC = +85°CTC = +25°C
TC = -40°C
VCC = 3.3V
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc1
54
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 3.3V
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. RF FREQUENCY
MAX
2044
toc1
55
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
3800360034003200
7
8
9
10
63000 4000
VCC = 3.0V, 3.3V, 3.6V
INPUT IP3 vs. RF FREQUENCY
INPU
T IP
3 (d
Bm)
26
28
30
32
34
24
MAX
2044
toc1
56
RF FREQUENCY (MHz)
38003600340032003000 4000
VCC = 3.3VPIF = 0dBm/TONE
TC = -40°C
TC = +25°CTC = +85°C
INPUT IP3 vs. RF FREQUENCY
INPU
T IP
3 (d
Bm)
26
28
30
32
34
24
MAX
2044
toc1
57
RF FREQUENCY (MHz)
38003600340032003000 4000
VCC = 3.3VPIF = 0dBm/TONE
PLO = -3dBm, 0dBm, +3dBm
INPUT IP3 vs. RF FREQUENCY
INPU
T IP
3 (d
Bm)
26
28
30
32
34
24
MAX
2044
toc1
58
RF FREQUENCY (MHz)
38003600340032003000 4000
PIF = 0dBm/TONE
VCC = 3.6V
VCC = 3.0V
VCC = 3.3V
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
59
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
TC = +25°C
TC = -40°C
VCC = 3.3VPIF = 0dBm
TC = +85°C
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
60
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
VCC = 3.3VPIF = 0dBm
PLO = +3dBm
PLO = 0dBmPLO = -3dBm
LO - 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
61
RF FREQUENCY (MHz)
LO -
2IF
RESP
ONSE
(dBc
)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
VCC = 3.0V
VCC = 3.6V
VCC = 3.3V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 31
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_3.3V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected, fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO + 2IF RESPONSE vs. RF FREQUENCYM
AX20
44 to
c162
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
VCC = 3.3VPIF = 0dBm
TC = +85°C
TC = +25°C
TC = -40°C
LO + 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
63
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
VCC = 3.3VPIF = 0dBm
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
LO + 2IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
64
RF FREQUENCY (MHz)
LO +
2IF
RES
PONS
E (d
Bc)
3800360034003200
55
65
75
85
453000 4000
PIF = 0dBm
VCC = 3.6V
VCC = 3.3V
VCC = 3.0V
LO - 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
65
LO -
3IF
RESP
ONSE
(dBc
)
60
70
80
50
RF FREQUENCY (MHz)
38003600340032003000 4000
VCC = 3.3VPIF = 0dBm
TC = +85°C
TC = +25°C
TC = -40°C
LO - 3IF RESPONSE vs. RF FREQUENCYM
AX20
44 to
c166
LO -
3IF
RESP
ONSE
(dBc
)
60
70
80
50
RF FREQUENCY (MHz)
38003600340032003000 4000
VCC = 3.3VPIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
LO - 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
67
LO -
3IF
RESP
ONSE
(dBc
)
60
70
80
50
RF FREQUENCY (MHz)
38003600340032003000 4000
PIF = 0dBmVCC = 3.6V
VCC = 3.0V
VCC = 3.3V
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
68
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
90
503000 4000
TC = -40°C
TC = +25°C
TC = +85°C
VCC = 3.3VPIF = 0dBm
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
69
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
90
503000 4000
VCC = 3.3VPIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
LO + 3IF RESPONSE vs. RF FREQUENCY
MAX
2044
toc1
70
RF FREQUENCY (MHz)
LO +
3IF
RES
PONS
E (d
Bc)
3800360034003200
60
70
80
90
503000 4000
PIF = 0dBm
VCC = 3.6V
VCC = 3.3V
VCC = 3.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
32_ _ ______________________________________________________________________________________
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_3.3V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected, fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
71
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
VCC = 3.3V
TC = +85°C
TC = +25°CTC = -40°C
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
72
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
VCC = 3.3V
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORTvs. LO FREQUENCY
MAX
2044
toc1
73
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-35
-30
-25
-20
-402800 3800
VCC = 3.0V, 3.3V, 3.6V
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
MAX
2044
toc1
74
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-90
-80
-70
-60
-1002800 3800
VCC = 3.3V
TC = -40°C
TC = +25°C TC = +85°C
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
MAX
2044
toc1
75
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-90
-80
-70
-60
-1002800 3800
VCC = 3.3V
PLO = -3dBm
PLO = 0dBm
PLO = +3dBm
IF LEAKAGE AT RF PORT vs. LO FREQUENCY
MAX
2044
toc1
76
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
3600340032003000
-90
-80
-70
-60
-1002800 3800
VCC = 3.0V
VCC = 3.3VVCC = 3.6V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 33
典型工作特性(续)(Typical Application Circuit with tuning elements outlined in Table_2,_Upconverter_Mode,_VCC_=_3.3V,_fRF_=_3000MHz_to_4000MHz,_LO_is_low-side_injected, fIF = 200MHz, PIF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)
RF PORT RETURN LOSS vs. RF FREQUENCY
MAX
2044
toc1
77
RF P
ORT
RETU
RN L
OSS
(dB)
25
20
15
10
5
0
30
RF FREQUENCY (MHz)
38003600340032003000 4000
PLO = -3dBm, 0dBm, +3dBm
VCC = 3.3VfIF = 200MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
MAX
2044
toc1
78
IF P
ORT
RETU
RN L
OSS
(dB)
25
20
15
10
5
0
30
IF FREQUENCY (MHz)
41032023014050 500
fLO = 3200MHz
VCC = 3.0V, 3.3V, 3.6V
LO PORT RETURN LOSSvs. LO FREQUENCY
MAX
2044
toc1
79
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
35003000
25
20
15
10
5
0
302500 4000
PLO = -3dBm
PLO = 0dBmPLO = +3dBm
VCC = 3.3V
SUPPLY CURRENTvs. TEMPERATURE (TC)
MAX
2044
toc1
80
SUPP
LY C
URRE
NT (m
A)
110
115
120
125
130
135
105
TEMPERATURE (°C)
603510-15-40 85
VCC = 3.3VVCC = 3.6V
VCC = 3.0V
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
34_ _ ______________________________________________________________________________________
引脚配置/功能框图
引脚说明
MAX2044
TOP VIEW
+
11
12
13
14
15
5
4
3
2
1
*EXPOSED PAD
LOBI
AS
GND
GND
V CC
6 7 8 9 10
1617181920
V CC
RF
GND
GND
VCC
GND
IF+
IF-
GND
GND
GND
VCC
GND
GND
LO
GND
EP*
引脚 名称 功能
1, 6, 8, 14 VCC 电源。使用0.01μF电容旁路至GND,电容应尽可能靠近引脚放置。
2 RF 单端50ΩRF输入/输出端。该端口由内部匹配,并通过非平衡变压器直流短接到GND,必要时在输入端连接隔直流电容。
3, 9, 13, 15 GND 地。内部没有连接,这些引脚可以接地。
4, 5, 10, 12, 17
GND 地。内部连接至裸焊盘(EP),将所有地引脚与裸焊盘连接在一起。
7 LOBIAS LO输出偏置电阻,用于LO缓冲器。在LOBIAS与地之间连接一个698Ω的1%精度电阻(偏置在138mA)。
11 LO 本振输入。该输入端在内部匹配为50Ω,需要一个输入隔直流电容。
16, 20 GND 地,将这些引脚接地。
18, 19 IF-, IF+ 混频器差分IF输出/输入端。必要时提供隔直流电容,这些端口由内部偏置在VCC/2。
— EP 裸焊盘。内部连接至GND,使用多个接地过孔将该裸焊盘焊接到一个PCB焊盘,为器件与PCB地层之间提供良好的散热通道。多个接地过孔还有助于改善RF性能。
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 35
详细说明MAX2044为高线性度无源混频器,设计用于2.5GHz和3.5GHz无线基础架构。2600MHz至4300MHz超宽范围的LO频率,能够使MAX2044用于低端和高端LO注入架构,支持所有WiMAX、LTE和MMDS接收、发送应用。
在3000MHz至4000MHz频段用作低端LO注入的下变频混频器时,MAX2044可提供+32.5dBm的输入IP3,变换损耗和噪声系数典型值仅为7.7dB和8.5dB。集成的非平衡变压器和匹配电路允许50Ω单端连接至RF端口和LO端口。集成LO缓冲器可以为混频器核提供较强的驱动能力,将MAX2044输入端所需的LO驱动减小到-3dBm至+3dBm。IF端口配合差分输出端,有效改善了2RF-2LO或2LO-2RF性能。
该器件可在较宽的频率范围内保证性能,适用于WiMAX、LTE和MMDS基站。MAX2044能够工作在2300MHz至4000MHzRF输入范围、2600MHz至4300MHzLO范围以及50MHz至500MHzIF范围,也可以工作在上述频率范围以外(详细信息请参见典型工作特性)。
RF输入和非平衡变压器配合隔直流电容使用时,MAX2044的RF输入提供50Ω匹配。由于输入端在内部通过片上非平衡变压器直流短路到
地,所以必须使用隔直流电容。使用8.2pF隔直流电容时,在整个3300MHz至3900MHzRF频率范围内,RF端口的输入回波损耗典型值优于13dB。按照表1和表2所示更换输入匹配元件,在2400MHz至2700MHz频率范围内,回波损耗可以达到15dB。可以选择C1、C12的其它组合形式,优化2300MHz至4000MHz频率范围内的RF回波损耗。
LO输入、缓冲器和非平衡变压器利用2600MHz至4300MHz较宽频率的LO驱动电路,MAX2044可以用于低端或高端LO注入架构,支持所有2.5GHz和3.5GHz应用。LO输入在内部匹配为50Ω,只需
一个2pF的隔直电容。两级内部LO缓冲器允许-3dBm至+3dBm的LO输入功率范围。片上低损耗非平衡变压器和LO缓冲器配合使用,驱动双平衡混频器。LO输入端与IF输出端之间的所有接口和匹配元件均已集成在芯片内。
高线性度混频器
MAX2044的核心是一个双平衡、高性能无源混频器。片上LO缓冲器具有较大的LO摆幅,可提供优异的线性度指标。IIP3、2RF-2LO抑制和噪声系数的典型值分别为+32.5dBm、68dBc和8.5dB。
差分IF输出MAX2044具有50MHz至500MHz的IF频率范围,其低端频率取决于外部IF元件的频率响应。
MAX2044的差分端口能够增强2RF-2LO和2LO-2RF性能,单端IF应用需要一个1:1(阻抗比)的非平衡变压器,将50Ω的差分IF电阻转换成50Ω单端输出。针对该器件特性选用MABAES00291:1变压器,数据资料的参数规格中给出了其损耗指标。用户可以在混频器的IF端口使用差分IF放大器或SAW滤波器,但IF+/IF-端口需要隔直流,以防止外部直流进入混频器的IF端口。由于IF+和IF-端由内部偏置在VCC/2,需要连接C4和C7隔直流电容。
应用信息
输入和输出匹配
配合隔直流电容使用时,RF输入提供50Ω匹配。在3000MHz至4000MHzRF频率范围内,使用8.2pF隔直流电容;工作在2300MHz至3000MHzRF频率范围时,请参考表1和表2替换元件,以实现优异的匹配性能。LO输入内部匹配在50Ω,使用2pF隔直流电容可覆盖2600MHz至4300MHz工作频率范围。IF输出阻抗为50Ω(差分)。为方便评估,通过外部低损耗1:1(阻抗比)非平衡变压器将该阻抗转化成50Ω单端输出(参见典型应用电路)。
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
36_ _ ______________________________________________________________________________________
降低功耗模式
MAX2044提供一个引脚(LOBIAS),允许通过外部电阻设置内部偏置电流。电阻的标称值如表1和表2所示。增大电阻值可降低功耗,但代价是性能有所下降。如果没有±1%精度的电阻,可以采用±5%的电阻替代。
选择3.3V为混频器供电也可以显著降低功耗,这种方式可以将整体功耗降低42%(典型值),请参考3.3VSupplyACElectricalCharacteristics表和典型工作特性中与3.3V供电相关的特性曲线,以折中考虑功耗和性能。
布局考虑
合理的PCB设计是任何RF/微波电路的一个重要部分。RF信号线应尽可能短,以减小损耗、辐射和电感。混频器的负载
阻抗必须保证IF-、IF+与地之间的电容不会超出几个皮法。为获得最佳性能,接地引脚须直接与封装底部的裸焊盘连
接。PCB上的裸焊盘必须连接至PCB的地层。建议采用多个过孔将该焊盘连接至地层。这种方法能为器件提供一个良
好的RF/散热路径。将器件封装底部的裸焊盘焊接至PCB。
电源旁路
合理的电源旁路对高频电路的稳定性至关重要。如典型应
用电路所示,对各VCC引脚使用电容旁路,元件值参见表1。
表1. 下变频模式元件值DESIGNATION QTY DESCRIPTION COMPONENT_SUPPLIER
C1 1
3.3nH microwave inductor (0402). Use for RF frequencies ranging from 2300MHz_to_3000MHz.
Coilcraft, Inc.
8.2pF microwave capacitor (0402). Use for RF frequencies ranging from 3000MHz_to_4000MHz.
Murata Electronics North America, Inc.
C2, C6, C8, C11 4 0.01FF microwave capacitors (0402) Murata Electronics North America, Inc.
C3, C9 0 Not installed, microwave capacitors (0402) —
C4, C7 2 470pF microwave capacitors (0402) Murata Electronics North America, Inc.
C5 0 Not installed, microwave capacitor (0402) —
C10 1 2pF microwave capacitor (0402) Murata Electronics North America, Inc.
C12
10.3pF microwave capacitor (0402). Use for RF frequencies ranging from 2300MHz_to_3000MHz.
Murata Electronics North America, Inc.
0Microwave capacitor (0402) not installed for RF frequencies ranging from 3000MHz_to_4000MHz.
—
R1 1
698I ±1% resistor (0402). Use for VCC_=_+5.0V_applications.
Digi-Key Corp.
698I ±1% resistor (0402). Use for VCC_=_+3.3V_applications.
Digi-Key Corp.
T1 1 1:1 IF balun MABAES0029 M/A-Com
U1 1 MAX2044 IC (20 TQFN) Maxim Integrated Products, Inc.
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
_______________________________________________________________________________________ _ 37
表2. 上变频模式元件值
裸焊盘的RF/散热考虑MAX2044采用20引脚、薄型QFN封装,其裸焊盘(EP)提供了一个与管芯之间的低热阻通路。在安装MAX2044的
PCB与EP之间保持良好的热传递通道非常重要。此外,EP应通过一个低电感路径接地。EP必须直接或通过一系列电镀过孔焊接至PCB的地层。
DESIGNATION QTY DESCRIPTION COMPONENT_SUPPLIER
C1 1
3.3nH microwave inductor (0402). Use for RF frequencies ranging from 2300MHz_to_3000MHz.
Coilcraft, Inc.
8.2pF microwave capacitor (0402). Use for RF frequencies ranging from 3000MHz_to_4000MHz.
Murata Electronics North America, Inc.
C2, C6, C8, C11 4 0.01FF microwave capacitors (0402) Murata Electronics North America, Inc.
C3, C9 0 Not installed, microwave capacitors (0402) —
C4, C7 2 470pF microwave capacitors (0402) Murata Electronics North America, Inc.
C5 0 Not installed, microwave capacitor (0402) —
C10 1 2pF microwave capacitor (0402) Murata Electronics North America, Inc.
C12
10.3pF microwave capacitor (0402). Use for RF frequencies ranging from 2300MHz_to_3000MHz.
Murata Electronics North America, Inc.
0Microwave capacitor (0402) not installed for RF frequencies ranging from 3000MHz_to_4000MHz.
—
R1 1
698I ±1% resistor (0402). Use for VCC_=_+5.0V_applications.
Digi-Key Corp.
698I ±1% resistor (0402). Use for VCC_=_+3.3V_applications.
Digi-Key Corp.
T1 1 1:1 IF balun MABAES0029 M/A-Com
U1 1 MAX2044 IC (20 TQFN) Maxim Integrated Products, Inc.
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X20
44
38_ _ ______________________________________________________________________________________
典型应用电路
NOTE: PINS 4, 5, 10, 12, AND 17 ARE ALL INTERNALLYCONNECTED TO THE EXPOSED GROUND PAD. CONNECTTHESE PINS TO GROUND TO IMPROVE ISOLATION.
PINS 3, 9, 13, AND 15 HAVE NO INTERNAL CONNECTION, BUT CAN BEEXTERNALLY GROUNDED TO IMPROVE ISOLATION.
*C12 NOT USED FOR 3000MHz TO 4000MHz APPLICATIONS.
1920 18 17
76 8
RF
GND
GND
9
VCC1
2
4
5
15
14
12
11
LOBI
AS V CC
V CC
GND
GND
GND3 13
16
10
VCC
GND
GND
LO
GND
IF+
IF-
GND
GND
GND
R1
C10
C8
C9
C11
LOINPUT
C6
C1
RF
VCC
VCC
1:1
C5
C4 C7
IF
T1
5
41
2N.C.
3
C3 C2
VCC
C12*
MAX2044
EP
U1
SiGe、高线性度、2300MHz至4000MHz 上变频/下变频混频器,带有LO缓冲器
MA
X2044
芯片信息
PROCESS: SiGe BiCMOS
封装信息如需最近的封装外形信息和焊盘布局,请查询china.maxim-ic.com/packages。请注意,封装编码中的“+”、“#”或“-”仅表示RoHS状态。封装图中可能包含不同的尾缀字符,但封装图只与封装有关,
与RoHS状态无关。
封装类型 封装编码 文档编号
20 TQFN-EP T2055+3 21-0140
Maxim不对Maxim产品以外的任何电路使用负责,也不提供其专利许可。Maxim保留在任何时间、没有任何通报的前提下修改产品资料和规格的权利。
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 39
©2009MaximIntegratedProducts Maxim是MaximIntegratedProducts,Inc.的注册商标。
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