star light pdr – 3 october 2001
DESCRIPTION
Objective To design, build and test RF front end receiver as small as possible, meeting requirements and within budget. Strategy Parts search and noise budget iterations. RF RECEIVER Line van Nieuwstadt 734-615-2252, [email protected]. STAR Light PDR – 3 October 2001. Outline: - PowerPoint PPT PresentationTRANSCRIPT
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 1
STARLightSTARLight
Objective To design, build and test RF front end receiver as small as possible, meeting requirements and within budget.
Strategy Parts search and noise budget iterations
STAR Light PDR – 3 October 2001
RF RECEIVER Line van Nieuwstadt
734-615-2252, [email protected]
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 2
STARLightSTARLight
Outline:•Requirements & Noise Budget
•Block Diagram
•Component Selection and Trade-offs
•Component Testing and Summary
•Test plan for 2-channel propotype
STAR Light PDR – 3 October 2001
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 3
STARLightSTARLightSTAR Light PDR – 3 October 2001
Requirements (from Noise Budget)
Frequency : 1.4135 GHz +/- 10MHz
NF : 2.5 dB
Gain : ~ 90 dB
Pdc : < 8.5 Watts
Size : ~ 5” x 5” x 1.5” (12.5 cm x 12.5 cm x 4cm)
Weight : < 300 gr.
Temp : –30C to +40C (operating)
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 4
STARLightSTARLightSTAR Light PDR – 3 October 2001
Antenna
A/D
8-way Power Divider B
PSF
SP4TSwitch
Noise Diode A
LNAIRF
Cold Cal Load
AMP AMP
AMP
Noise Diode B
8-way Power Divider A
Block Diagram
IRF
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 5
STARLightSTARLightSTAR Light PDR – 3 October 2001
DC Power Summary:Component Voltage (V) Current (mA) Pdc (Watts)/chn Pdc (Watts) total
Switch RF170-12 12 24 0.288 2.88MITEQ LNA - Vd 12 100 1.2 12MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0A/D board
TOTAL 29.88
Switch PE4220, 3/chn 3 0.03 0.00027 0.0027MITEQ LNA - Vd 12 100 1.2 12MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0A/D board
TOTAL 27.0027
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STARLightSTARLightSTAR Light PDR – 3 October 2001
Selected parts specs:
AMP: MAAM 12000-A1Freq. : 1.2 – 1.75 GHzGain : 26 dB +/- 0.8 dBNF : 1.35 dBVSWR : 1.4:1P1dB : 14 dBmPdc : 5V @ 85mA (0.43 W)Temp. : -55C to +125C
Power Divider: MECA 808-2-1.400Frequency : 0.8 - 2 GHzInsertion Loss : 0.8 dB (above 9 dB)Ampl. Imbalance : 0.2 dBPhase Imbalance : 8 degreesVSWR : 1.2:1Port-to-port isol. : 22 dB, adjacentTemperature : -55C to +70CSize : 4.5” x 4” x 0.44”
Noise Diode: NC302LFrequency : 10 Hz - 2 GHzPdc : 6 – 8 V @ 6 mAOutput ENR : 30 – 35 dB
PSF: IMC 930307 ceramicFreq : 1413.5 MHz +/- 10 MHzI.L. : 3 dBVWSR : 1.75:1Rejection : 1393.5 MHz, 32 dB min.
1433.5 MHz, 30dB min
Temp. : -30C to +40C
LNA: Miteq AFSM2Freq. : 1.0 – 2.0 GHzGain : 25 dB +/- 1 dBNF : 0.8 dBVSWR : 1.4:1 @ 1.5 GHzPdc : 12V @ 90mA (1.1 W)Temp. : -55C to +85C
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STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Plan/Procedure/Fixtures - Components:
•Procure selected components (LNAs, filters, power dividers)•Design and fabricate test fixtures•Assemble engineering test devices (Miteq and Ma/Com LNAs,
PSF filters)•Test components over temperature: -30C to +40C
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 8
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Plan/Procedure/Fixtures:
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 9
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Plan/Procedure/Fixtures:
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 10
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Results Summary - Components:
•Miteq LNA: Good NF (<0.7dB), burn-in is necessary, requested pricing/delivery info from vendor •Ma/Com LNA: Linear gain vs. temperature curves, purchased fifty amplifiers for instrument built•PSF Filters: Mounting and test fixture problems solved, very small filter-to-filter variation•8-way Power Dividers: Selected MECA power divider
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 11
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Results Summary - Components:
MTQ SN1 T=25C (After 3 thermal cycles)
20
21
22
23
24
25
26
27
28
29
30
1E+09 1.2E+09 1.4E+09 1.6E+09 1.8E+09 2E+09
Frequency MHz
Gai
n d
B
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
S21
S11
S12
S22
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 12
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Results Summary - Components:
MAAM SN3 T=25C (After 3 thermal cycles)
20
21
22
23
24
25
26
27
28
29
30
1E+09 1.2E+09 1.4E+09 1.6E+09 1.8E+09 2E+09
Frequency MHz
Ga
in d
B
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
S21
S11
S12
S22
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 13
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Results Summary - Components:
PSF SN1 T= 25C (After 3 thermal cycles)
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
1.35E+09 1.37E+09 1.39E+09 1.41E+09 1.43E+09 1.45E+09
Frequency Mhz
I.L
. d
B
-35
-30
-25
-20
-15
-10
-5
0
S21
S12
S11
S22
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 14
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Results Summary - Components:
MECA SN1 (Pre-thermal cycles)
0
1
2
3
4
5
6
7
8
9
1400
1402
.514
05
1407
.514
10
1412
.514
15
1417
.514
20
1422
.514
25
1427
.514
30
Frequency (MHz)
Ph
ase
(deg
)
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 15
STARLightSTARLightSTAR Light PDR – 3 October 2001
Test Plan for 2-Channel Prototype Radiometer:
• Implement RF test ports in the receiver box• Measure NF of RF front ends (switches, IRF, LNA)• Measure S-parameters of RF front ends and gain
block, at Troom and over operating temperature• Test fringe-washing function over temperature
STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 16
STARLightSTARLightSTAR Light PDR – 3 October 2001
ID Task Name Duration Start Finish1 Electrical ICD - on-going 60 days Mon 10/1/01 Fri 12/21/01
2 Receiver Design 33 days Wed 9/26/01 Fri 11/9/01
3 System electrical simulation 30 days Mon 10/1/01 Fri 11/9/01
4 Interference Reject Filter trade-off & vendor search 5 days Mon 10/8/01 Fri 10/12/01
5 Noise diode trade-off and vendor search 5 days Mon 10/8/01 Fri 10/12/01
6 Receiver module package design 20 days Wed 9/26/01 Tue 10/23/01
7 Design Development 60 days? Mon 10/8/01 Fri 12/28/01
8 Interference Reject Filter procurement 25 days? Mon 10/15/01 Fri 11/16/01
9 LNA procurement 60 days? Mon 10/8/01 Fri 12/28/01
10 Noise diode procurement 15 days Mon 10/15/01 Fri 11/2/01
11
12 Documentation 35 days Mon 10/15/01 Fri 11/30/01
13 Front-end (switch, IRF, LNA) 11 days Mon 10/15/01 Mon 10/29/01
18 Gain block (amps, IRF, PSF) detailed drawing 11 days Tue 10/30/01 Tue 11/13/01
23 Integrated Receiver 11 days Wed 11/14/01 Wed 11/28/01
28 Noise diode & distribution network package drawing 2 days Thu 11/29/01 Fri 11/30/01
29
30 Sub-modules Fab & Test (#1 & #2) 30 days Mon 11/19/01 Fri 12/28/01
31 Front-end (switch, IRF, LNA) fab & test 10 days Mon 11/19/01 Fri 11/30/01
32 Gain block fab & test (amps, IRF, PSF) 10 days Mon 12/3/01 Fri 12/14/01
33 Receiver package fabrication 5 days Mon 12/17/01 Fri 12/21/01
34 Noise diode & distribution network fab & test 5 days Mon 12/24/01 Fri 12/28/01
35 RF Receiver Integration and Test (#1 & #2) 25 days Mon 12/31/01 Fri 2/1/02
38
39 Two-Channel Prototype Test 40 days Mon 2/4/02 Fri 3/29/02
40 CDR 1 day Mon 4/1/02 Mon 4/1/02
41 Sub-Modules Fab Test (RCVR #3 - #14) 150 days Mon 4/1/02 Fri 10/25/02
46 RF Receiver Integration and Test (RCVR #3 - #14) 120 days Mon 10/28/02 Fri 4/11/03
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