report: resistance of transistor source-contact to ground on rf power amplifier using a pgs pad

8/14/2019 Report: Resistance of Transistor Source-contact to Ground on RF Power Amplifier using a PGS pad

1/18

Bcrm7 ?440,4?,33

Ekam7 K7QMhikhmmkhiQRmvr MhikhmmkhiQGkl Bmvk ihvQTC^Immh^944044^L@wQ_mtnr ?440,43,?;Q_mtnr^Lckh^TC^Immh^S346 TIV^Vr}b{^?440,4?,40^45(bnf

Khrnb}frknh _mtnr nh cohnlca UIV.Okcv Vmrrkhi.TIV Tcbv nh Immh TC Bmfjv

Con}r ekum ymmjv cin! en} Immh TC }hkrv ymm mtnrmb en ecka}m rn cf`kmum crmb Bckh

f}mhr nh S346 ykr`kh r`m chim ne r`m UIV MTnr7 mcf` ne r`mvm }hkrv ycv en}hb rn `cum

cohnlcaa{ `ki` Vn}fm,rn,@mcrvkhj mvkvrchfm _^V@+ chikhi enl 3(5 rn 35(6 ( Kr v`n}ab omhnrmb cr r`kv tnkhr r`cr ch{ mvkvrchfm cttmckhi kh r`m vn}fm fkf}kr ne ch H,F`chhma EMR

fnhrko}rmv c unarcim r`cr cfrv kh nttnvkrknh rn ch cttakmb icrm unarcim y`mh r`cr unarcim kvcttakmb Y_R rn in}hb! cv kv r`m fcvm ykr` S346(

Enl mvmcf` chb omhf` mptmklmhrv kr cttmcv ch cffmtrcoam uca}m

en _mvkvrchfm! Vn}fm,rn,@mcrvkhj _^V@+! }vkhi c TIV ict`krm tcbv`n}ab om amvv r`ch =4 l 4(4=4 + chb rmvrkhi v`nyv lnm kh r`m

chim ne 34 rn ?4 l 4(4?4 +(

Y`mh r`m Wkhf fcvrkhi r`cr fnltkvmv r`m ln}hrkhi eachim en S346

kv ymaa tmtcmb _^V@ ecaav khrn r`m chim ne 3= rn ?4 l en cL_E;464H tcfjcimb kh FCVM 3669,46! VR[AM 3 v`nyh rn ki`r+(

Emmvfcam Ctt Hnrm: _^V@ Uca}mv

Kh r`m enaanykhi mpfmtr enl Emmvfcam ctt hnrm CH6?56 bkeemmhr lcrmkca tcb r{tmv cm

fnltcmb kh c rmvr fcvm k(m(! r`m tcr }vmb kv hnr r`m L_E;464HO_3.S346 y`kf` ym }vm(+

Rmvrkhi khfa}bmv r`m TIV chb r`m RINH,04= tcb lcrmkca onr` vtmfkekmb en }vm nh r`m MEG

Immh TC+( K r`khj cr tmvmhr ym cm }vkhi TIV tcb lcrmkca ocvmb nh r`kfjhmvv! fnan chbrmpr}m( Hnrm7 R`m mv}arv omany v`n}ab om }vmb en fnltckvnh t}tnvmv omrymmh lcrmkca r{tmv(

En r`m TIV lcrmkca fcaf}acrkhi _^V@ {kmabv7 34(=5 lU . 6(4? C < _^V@ < 6(= l(

En r`m RINH,04= lcrmkca fcaf}acrkhi _^V@ {kmabv7 3;(;9 lU . ?(;9 C < _^V@ < 5(9 l

Omfc}vm ne r`mvm any uca}mv! ?,ykm n`lv lmcv}mlmhrv }vkhi c mi}ac n`llmrm+ kv

khv}eekfkmhr rn umke{ r`mvm uca}mv o}rfch om }vmb rn fcrf` invv kmi}ackrkmv kh fcvmv y`mm c

eachim `cv hnr ommh mynjmb chb r`m TC vmfrknh kv hnr tnymmb(

C tmemmb lmr`nb ne fcaf}acrkhi _^V@ kv o{ jhnykhi r`m S346 Bckh f}mhr mcvka{

bmrmlkhmb+ chb r`mh mcbkhi U^V@ cffmvvkoam r`n}i` c `nam nh r`m rnt ne r`m S346 rchvkvrn:

bkvf}vvmb acrm+ chb ynjkhi r`n}i` r`m h}lmkfca macrknhv`kt7 _^V@ < U^V@ . K^B ( Kh tnb}frknhr`m vkltam mcbkhi ne U^V@ chb icbkhi kr cickhvr c vtmf yn}ab om v}eekfkmhr(

3
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2/18

Ekhbkhiv! V}llc{

2,]hkr _^V@ Vr}b{ In}t , R`m rcoam omany v`nyv r`m f`ccfrmkvrkfv ne r`m en} }hkrv khkrkcaa{

mtnrmb en ecka}m rn cf`kmum crmb Bckh f}mhr nh S346 ykr`kh r`m chim ne r`m UIV MTnr( Khr`kv rcoam cm fcaf}acrknhv en r`m ms}kucamhra{,cttakmb icrm unarcim en r`m _^V@ fnhbkrknhv vmmh

mtmvmhrmb kh r`mvm BF Okcv R}hm eckav7

TC V.H

MTnr unarcim!

Lcpkl}l+

Lcp Bckh K

en cttakmb

MTnr Unarcim

Lmcv}mb _V@!

Vn}fm rn

@mcrvkhj _mv(

Vn}fm U bnt

en cttakmb

MTnr U % _^v`

Mskucamhr

cttakmb Icrm

Unarcim 2+

69;;6; 3!=+ 2(32 U 3?4 lC 35(6 3(;5 U ?(30 U

6;2442 3+ 2(4; U 3=4 lC ?(; 4(26 U 6(5= U

23?294 3! ?+ 2(32 U 04 lC 5(9 4(=6 U 6(54 U

23?56? 6+ 2(32 U 3=4 lC 3(5 4(?2 U 6(;4 U

Hnrmv7 3+ _mynjmb chb tcvvmb ykr`kh caa tcclmrmv! ?+ V.H kv cfr}caa{ 23?924! 6+ Amer en mynj o{ enaany,nh

mhikhmmkhi chb.n tnb}frknh tmvnhhma! 2+ Meemfrkum Uîcrm,rn,vn}fm < MTnr Vn}fmÛ^bntûnarcim! =+ C

vnabm vtacv` ycv en}hb ycv en}hb ckvkhi r`m rchvkvrn conum r`m TIV tcb r`mmo{ tmumhrkhi mamfrkfca chbr`mlca fnhrcfr(

Y`kam rmf`hkfcaa{ hnhm ne r`m TCv kh r`m 2,}hkr vr}b{ in}t conum fn}ab hnrom okcvmb cerm m,

ynjkhi r`m eachim ikumh r`m cuckacoam unarcim chim ne r`m UIV MTnr! ryn fclm fanvm cv vmmh kh

r`m rcoam omany V.Hv 23?56? chb 23?924+(

Ykr`n}r fnaamfrknh ne lnm bcrc kr yn}ab om `cb rn v}ttnr c fcvm en ch khfmcvmb MTnr chim

mvtmfkcaa{ vkhfm r`m tklc{ tnoaml ym vmml rn `cum mhfn}hrmmb `cv ommh mpfmvvkum_mvkvrchfm kh r`m Vn}fm,,R`mlca^Tcb,,@mcrvkhj khrmecfm r`cr bkmfra{ ceemfrv okcv vmrrkhi:

r`mlca fnhfmhv cm chnr`m kvv}m o}r r`m{ cm hnr cbbmvvmb kh r`kv bnf}lmhr(

9,]hkr _^V@ Vr}b{ In}t , Omany kv c rcoam ne vmumh }hkrv en}hb kh r`m mynj cmc lmcv}mb

en _^V@ r`kv rcoam cavn khfa}bmv r`m en} }hkrv enl r`m rcoam conum+( Hnrm7 en} ne r`mvm ymm m,

ynjmb chb r`m UÎV ms}kmb en okcv cr 644 lC kv v`nyh kh r`m ki`r,lnvr fna}lh7

TC V.H

hnrmv+

Omenm! Lmcvb

_^V@! Vn}fm rn@mcrvkhj _mv(

Cerm! Lmcvb

_^V@! Vn}fm rn@mcrvkhj _mv

Bmfmcvm kh

mvkvrkukr{! o{ecfrn ne p

Cerm mynj!

UÎV enK^B < 644 lC

69;;6; 3! 6+ 35(6 3=(= l 34=3 6(54 U

6;6043 ?+ ?(== , , ,

6;2442 3+ ?(;4 3;(? l 3=3 6(;5 U

23?5?= 3+ 4(66 60(= l 0(= 2(46 U 2+23?56? ?+ 3(54 , , ,

23?924 3+ 5(94 3;(; l 665 2(49 U 2+

23?590 ?+ 4(50 , , ,

Hnrmv7 3+ _mynjmb chb tcvvmb ykr`kh caa tcclmrmv! ?+ Amer en mynj o{ enaany,nh mhikhmmkhi chb.n

tnb}frknh tmvnhhma! 6+ C vnabm vtacv` vmm tkfr}mv e}r`m nh kh r`kv mtnr+ ycv en}hb ckvkhi r`m

rchvkvrn conum r`m TIV tcb r`mmo{ tmumhrkhi e}aa mamfrkfca chb r`mlca fnhrcfr( 2+ Fclm fanvm rn

omkhi hnh,vmrrcoam

?


3/18

Ekhbkhiv chb _mynj! S346! TC bmfjV.H 69;;6;

Tclv lmcv}mb7 K^B! U^V@! U^IV

Tclv fcaf}acrmb7 _^V@ _mvkvrchfm! Vn}fm rn @mcrvkhj+

Fnhbkrknhv7

3( Khkrkca vrcrm! cv en}hb bmokv vnabm ocaa vtacv`+ en}hb }hbm S3467 vmm tkfr}mv+

?( Oncb mlnumb! eachim famchmb ykr` b{ y`krm tkhrm tctm! c ?hb S346 tacfmb nh

eachim }vkhi c hmy TIV tcb! vfmyv rns}m rn =(? kh,aov

6( _mlnum r`m ?hb S346! vchbmb ln}hrkhi eachim! yktmb ?hb S346 onrrnl y.tctm!

mkhvrcaamb r`m ?hb S346! vfmyv rns}mb cr =(? kh,aov

2( Tacfmb nkikhca oncb ocfj kh f`cvvkv: lmcv}mb _^V@: r`mh tmenlmb Okcv R}hm

tm khvr}frknhv

Fnhbkrknh Icrm Unarcim

U^IV

Lmcvb Vn}fm

Unarcim! U^V@

Bckh F}mhr!

K^B! lC

Vn}fm,@mcrvkhj

_mvkvrchfm! _^V@

3( Khkrkca vrcrm , , , 35(6= 2,Y+

?( Oncb mlnumb!

eachim famchmb

y.tctm! ln}hr ?hb

S346 rchvkvrn

,

5(2 U nh+

,

53(0 lU

,

644 lC

(?64 ?,Ykm+

(?45

6( _mlnumb S346!vchb ln}hrkhieachim! mkhvrcaa ?hb

S346 cr =(? kh,aov

5(2 Unh unarcim+

2(90 lU 644 lC 35 l

2( T}r nki( oncb

ocfj kh f`cvvkv

6(54 U 2(55 lU 644 lC 3=(= l

Fnhbkrknh 3 lmcv}mb }vkhi 2,Ykm N`lv lmr`nbFnhbkrknhv ? 6 lcbm r`n}i` r`m }vm ne c fnhvrchr f}mhr tnym v}tta{ vmr }t en 644 lC rn

S346 bckh chb }vkhi c 5U ocrrm{ rn r}h S346 nh mh`chfmlmhr lnbm EMR+

Fnhbkrknh 2 lmcv}mb kh vkr} kh TC+(

Hnrm7 S342 chb S34= eachimv vchbmb rnn(

6


4/18


5/18

Ekhbkhiv chb _mynj! S346! TC bmfjV.H 23?5?=

Tclv lmcv}mb7 K^B ! U^V@ ! UÎV

Tclv fcaf}acrmb7 _^V@

Fnhbkrknhv7

3( Khkrkca vrcrm! cv en}hb?( S346 ln}hrkhi vfmyv ymm annvmhmb chb r`mh mrki`rmhmb rn rns}m vtmf

6( _m,tachmb EMR onb{ EMRv `cum c vaki`r fnhfcum onrrnl fnhrcfr cmc 1 ?4 }l ìr+

2( Aki`ra{ vchbmb S346 eachim=( Hmy S346 rns}mb rn 6(= kh,aov: vclm tcb o}r vchbmb eachim

5( R`m hmy S346 rns}mb rn =(? kh,aov vclm tcb o}r vchbmb eachim+

9( Lmcv}m kh vkr} nh eachim7 644 lC bckh vn}fm+ f}mhr0( Vnabmmb rchvkvrn ocfj kh tacfm chb vmr }t cffnbkhi rn Okcv R}hm khvr}frknhv


UÎV

Lmcvb Vn}fm

Unarcim! U^V@

Bckh F}mhr!

K^B! lC

Vn}fm,@mcrvkhj

_mvkvrchfm! _^V@

3( Khkrkca vrcrm 2(33 U 05 lU 232329< ?59 (6?

?( Annvmh r`mhmrki`rmh vfmyv

2(33 U 95 lU 26?,329< ?0= (?5

6( _m,tachmb EMR , , , (3=

2( Vchbmb eachim , , , ?= l

=( Hmy S346 cr 6(= , , , ?= l

5( Hmy S346 cr =(? , , , 24 l

9( Lmcv}m kh vkr} 5(3 U 36(= lU 644 lC 2= l

0( Vnabmmb S346

rchvkvrn ocfj khtacfm

2(46 U 33(=9 lU 644 lC 60(= l

Fnhbkrknh 3! ? chb 0 lmcv}mb kh vkr} kh TC+

Fnhbkrknhv 6 5 lmcv}mb }vkhi fnltmhvcrmb ?,Ykm n 2,Ykm N`lv lmr`nbFnhbkrknh 9 lcbm ykr` c S346 vkrrkhi nh eachim chb r`n}i` r`m }vm ne c fnhvrchr f}mhr tnym

v}tta{ vmr }t en 644 lC rn S346 bckh chb }vkhi c *5U enl c ocrrm{ rn r}h

S346 nh S346 kv ch mh`chfmlmhr lnbm EMR+

=


6/18

Ekhbkhiv chb _mynj! S346! TC bmfjV.H 23?924

Tclv lmcv}mb7 K^B! U^V@! U^IV

Tclv fcaf}acrmb7 _^V@

Fnhbkrknhv7

3( Khkrkca vrcrm! cv en}hb

?( S346 mlnumb! khvtmfrmb r`mh mkhvrcaamb }vkhi nkikhca TIV tcb

6( _mlnumb S346: vchbmb ln}hrkhi eachim ykr` 244 ikr tctm! mkhvrcaamb S346

chb rns}m rn nha{ 6(= kh,aov }vkhi nkikhca TIV tcb

2( Rns}m S346 rn =(? kh,aov

=( Vnabmmb rchvkvrn ocfj kh tacfm chb vmr }t cffnbkhi rn Okcv R}hm khvr}frknhv


U^IV

Lmcvb Vn}fm

Unarcim! U^V@

Bckh F}mhr!

K^B! lC

Vn}fm,@mcrvkhj

_mvkvrchfm! _^V@

3( Khkrkca vrcrm , , , 5(95 2,Ykm+

?( _mlnumb S346!

khvtmfrmb chb

mkhvrcaamb

5(3 U

nh unarcim+

3(233 U 644 lC 2(9

6( _mlnumb S346!

vchbmb ln}hrkhieachim! mkhvrcaambS346 cr 6(= kh,aov

rns}m

5(3 Unh unarcim+

5(4 lU 644 lC ?4 l

2( Rns}m S346 rn

=(? kh,aov

5(3 U

nh unarcim+

2(2 lU 644 lC 32(5 l

=( Vnabmmb S346

rchvkvrn ocfj kh

tacfm

2(49 U =(;0 lU 644 lC 3;(; l

Fnhbkrknh 3 lmcv}mb }vkhi 2,Ykm N`lv lmr`nbFnhbkrknhv ? 2 lcbm r`n}i` r`m }vm ne c fnhvrchr f}mhr tnym v}tta{ vmr }t en 644 lC rn

S346 bckh chb }vkhi c 5U ocrrm{ rn r}h S346 nh mh`chfmlmhr lnbm EMR+

Fnhbkrknh = lmcv}mb kh vkr} kh TC+(

5


7/18

S346 Bmukfmv Lmmr Lch}ecfr}mv Vtmfkekfcrknh>

Omany kv ch mpfmtr enl r`m Nh F`ccfrmkvrkfv rcoam y`kf` bmvfkomv en} tcclmrmv! ryn ne

y`kf` macrm rn U^IV chb okcv kvv}mv o}r nha{ nhm ne y`kf` macrmv bkmfra{ kh r`kv tmvmhr

cttakfcrknh+ enl r`m Emmvfcam L_E;464H bcrc v`mmr v`nykhi ryn tcclmrmv7

UIVr`+ ,, Bmekhmb cv r`m Icrm,Vn}fm R`mv`nab unarcim

Lmcv}mb cr K^B < 344 Cbf! UBV


8/18

Enl Emmvfcam ln}hrkhi cttakfcrknh hnrm CH6?567

LN]HRKHI V]_ECFM _MS]K_MLMHRV

Kh _E tnym bmukfmv! r`m `mcr kv fnhb}frmb enl r`m Zf`kt\ bkm rn r`m ocfjvkbm ne r`m tnym bmukfm `mcr vtmcbm chb

enl r`mm rn r`m TC `n}vkhi Zf`cvvkv\( R`}v! r`m khrmecfm Zr`mlca tcb n imcvm\ omrymmh r`m tnym bmukfm chb r`m

`n}vkhi tac{v c um{ kltnrchr nam kh onr` r`mlca chb mamfrkfca in}hbkhi( En onar bnyh cvvmloakmv! r`m TC

`n}vkhi kv r{tkfcaa{ lcf`khmb n bkm fcvr }vkhi ca}lkh}l caan{( Onr` r`m n}i`hmvv chb r`m eacrhmvv ne r`m `n}vkhi

lcrkhi v}ecfm cm kltnrchr tcclmrmv en innb _E tmenlchfm cv ymaa cv bmukfm makcokakr{(

V}ecfm Eacrhmvv , En v}ecfm eacrhmvv! Emmvfcam }vmv r`m fkrmkc cv c bmvkih aklkr ne7

4(2 lkav.khf` 4(2 lkfnh.ll+

Caa ne n} _E tnym bmukfm tcfjcimv cm bmvkihmb rn v}ukum mtmcrmb onarkhi bnyh nh c v}ecfm ykr` c lkhkl}l ne

r`cr cln}hr ne eacrhmvv( _E tnym bmukfmv kh NLT tcfjcimv ymm rmvrmb o{ onarkhi r`ml bnyh nh c kbim rn

vkl}acrm mpfmvvkum hnh,eacrhmvv ne r`m lcrkhi v}ecfm: r`m{ ymm rmvrmb nh c kbim ne 4(9= lka 4(43; ll+( Cr c

4(03/ ?4(=9 ll+ onar fmhrm! r`kv kv ms}kucamhr rn 4(;6 lkav.khf` 4(;6 lkfnh.ll+( Bmukfmv cm r`mh f`mfjmb en

_E tmenlchfm chb lmf`chkfca khrmikr{( Hn v`ker kh _E tmenlchfm omrymmh omenm chb cerm onarkhi r`m tcrv nh

c 4(9= lka 4(43; ll+ kbim ycv bmrmfrmb( Cavn! hnhm ne r`m vcltamv khbkfcrmb lmf`chkfca ecka}m ne r`m tcfjcim!

v}f` cv fcfjkhi( R`m bmukfmv ymm rmvrmb rn lnm r`ch bn}oam r`m vtmfkekfcrknh aklkr mfnllmhbmb `mm ykr` hn

ecka}mv(

V}ecfm _n}i`hmvv , Kh cbbkrknh rn v}ecfm eacrhmvv! v}ecfm n}i`hmvv kv chnr`m kltnrchr tcclmrm(

_n}i`hmvv kv c lmcv}m ne ekhm kmi}ackrkmv kh r`m v}ecfm rmpr}m( Kr kv r{tkfcaa{ vtmfkekmb kh ch ckr`lmrkf cumcim

ne caa bmukcrknhv ne r`m v}ecfm tnekam enl r`m hnlkhca tnekam( Vnlmrklmv! kr kv cavn memmb rn cv n}i`hmvv `mki`r

khvrmcb ne v}ecfm n}i`hmvv( En v}ecfm n}i`hmvv! Emmvfcam mfnllmhbv r`m fkrmkc ne cumcim n}i`hmvv _c+

ne 6? lkfnh,khf`mv 4(0 lkfnhv+( Onr` ne r`mvm uca}mv cm mcvka{ crrckhcoam o{ fnllnh lcf`khkhi ntmcrknhv!

v}f` cv lkaakhi! ykr`n}r mvnrkhi rn lnm mptmhvkum tnfmvvmv v}f` cv v}ecfm ikhbkhi n tnakv`khi(

R{tkfca fcvr v}ecfmv ykaa tnocoa{ hnr lmmr r`mvm fkrmkc: r`mmenm! ym mfnllmhb r`cr r`m cmc ne fcvrkhi y`mm

r`m tnym bmukfmv cm inkhi rn om vkr}crmb kh r`m `n}vkhi v`n}ab om ekhkv`mb ykr` aki`r lcf`khkhi rn kltnum onr`

eacrhmvv chb n}i`hmvv( Ym bn hnr mfnllmhbkhi ln}hrkhi r`m tnym bmukfmv bkmfra{ nh r`m hnh,lcf`khmb v}ecfm

ne r`m fcvrkhi(

Mpcltam! Eachim mynjkhi Omenm chb Cerm TC V.H 23?924+

Omenm cy rmpr}m omenm ch{ tnfmvvmv Cerm , rmpr}m cerm 244 Ikr vchbkhi

0
http://www.freescale.com/files/rf_if/doc/app_note/AN3263.pdfhttp://www.freescale.com/files/rf_if/doc/app_note/AN3263.pdf


9/18

T`{vkfca Khvtmfrknh! Novmucrknhv

Vmumca ne r`m TC }hkrv ymm fcme}aa{ onjmh bnyh en khvtmfrknh cerm lcjkhi _^V@lmcv}mlmhrv: vnlm tkfr}mv ymm rcjmh rn bnf}lmhr fnhbkrknhv en}hb( R`m enaanykhi tcimv

v`ny vnlm ne r`nvm mv}arv chb nr`m novmucrknhv(

V`nyh omany cm r`m tac{mv khunaumb ykr` S346 kh r`kv bclc7

3( R`m ln}hrkhi eachim cy kh r`kv fcvm! omenm ch{ v}ecfm m,ekhkv`khi CJC vchbkhi+?( R`m TIV R`mlca tcb

6( R`m S346 L_E;464 L_E;464HO_3+ Rchvkvrn eakttmb num vn ym krv }hbmomaa{+

Hnrm kh r`m tkfr}m omany `ny r`m mhbv ne r`m R`mlca Tcb

`cum omfnlm rcrrmmb chb rnh: r`kv cttcmhra{ kv c mv}ar ne

r`m vaki`ra{ onymb hcr}m ne r`m S346 rchvkvrn y`mh kr kvrns}mb rn r`m ekhca uca}m ne =(? kh,aov r`m n}ra{khi ln}hrkhi

ekhimv nh S346 rmhb rn tkhf`,nee n v`mc r`m cmc ne r`m tcb

vmm tkfr}m rn ki`r+ r`cr bnmv hnr akm }hbm r`m S346 tcr(

Cavn tackha{ ukvkoam cm ryn tnr}bkhi o}ltv nh r`m R`mlca Tcb g}vr kh,oncb ne r`m ln}hrkhi

vfmy `nabkhi anfcrknhv r`cr fnkhfkbm ykr` khbmhrcrknhv kh r`m S346 rchvkvrn! v`nykhi r`cr r`m

TIV Ict`krm Tcb bnmv khbmmb crrmltr rn fnhenlcaa{ ekr y`mm kr kv }vmb(

;


10/18


11/18

TC V.H 69;;6; fnhrkh}mb

TC V.H 69;;6; Oa}m fcb Yktmb eachim ykr` tkmfm ne y`krm tctm omenm vchbkhi

Ln}hr TC oncb ocfj kh f`cvvkv Vmr Bckh f}mhr en 322 * 644 < 224 lC

Lmcv}m Vn}fm rn @mcrvkhj unarcim Lmcv}mv 2(55 lU

Lmcv}m icrm unarcim Lmcv}mv 6(54 U

33


12/18

TC V.H 6;2442

TC V.H

hnrmv+

Omenm! Lmcvb

_^V@! Vn}fm rn

@mcrvkhj _mv(

Cerm! Lmcvb

_^V@! Vn}fm rn

@mcrvkhj _mv

Cerm mynj!

U^IV en

K^B < 644 lC

6;2442 3+ ?(;4 3;(? l 6(;5 UHnrmv7 3+ _mynjmb chb tcvvmb ykr`kh caa tcclmrmv

Mpclkhcrknh ne TIV tcb enl rntvkbm: mhbv

Imr fakttmb o.f ne tmvv}m enl ln}hrkhi

ekhimv7

]hbmvkbm oncb mpclkhcrknh ne TIV tcb: mhbv

v`nyh fakttmb nh amer vkbm7

Rchvkvrn fakt,amcbmb khrn @mcrvkhj en BF rmvr Icrm unarcim vn}fm7 *5U enl ocrr y.mvkvrn

Cbg}vr en 644 lC Bckh f}mhr Lmcv}m Vn}fm unarcim omenm vchbkhi+

3?


13/18

TC V.H 6;2442 fnhrkh}mb

S346 eachim omenm S346 eachim omenm! fanvm,}t7

S346 eachim cerm S346 eachim cerm! fanvm,}t7

36


14/18

TC V.H 23?924

TC V.H

hnrmv+

Omenm! Lmcvb

_^V@! Vn}fm rn

@mcrvkhj _mv(

Cerm! Lmcvb

_^V@! Vn}fm rn

@mcrvkhj _mv

Cerm mynj!

U^IV en

K^B < 644 lC

23?924 3+ 5(94 3;(; l 2(49 U 2+

Hnrmv7 3+ _mynjmb chb tcvvmb ykr`kh caa tcclmrmv! 2+ U^IV Fclm fanvm rn omkhi hnh,vmrrcoam

S346 ln}hrkhi eachim S346 mlnumb Hnrm n}i` lcf`khkhi lcjv: r`nvm lcjv

chb ch{ nr`m v}ecfm npkbm n fnhrclkhcrknh kv mhn}i` rnvmkn}va{ bmicbm mamfrkfca fnhrcfr ykr` S346 r`n}i` r`m tcb7

E}aa,vkwm ukmy ne nhm ne r`m cy eachimv v`nyh mcakm7

32


15/18

TC V.H 23?924 fnhrkh}mb

Kltkhr ne ln}hrkhi ekhim khrn TIV tcb7 Aki`r ukvkoam enl ?4 }l n vn ict enlmb o{

fnhfcum v`ctm ne }hbmomaa{ ne rchvkvrn7

_m,ynjmb n vchbmb eachim Vchbtctm }vmb: hnrm lmrca tcrkfamv7

_m,ynjmb n vchbmb eachim _m,ynjmb n vchbmb eachim

3=


16/18

Cttmhbkp C

En} }hkrv ymm mtnrmb en ecka}m rn cf`kmum crmb Bckh f}mhr nh S346 ykr`kh r`m chim ne

r`m MTnr7 r`mvm }hkrv ymm en}hb rn `cum cohnlcaa{ `ki` Vn}fm,rn,@mcrvkhj mvkvrchfm( Cerm

l}f` ynj kr r}hv n}r r`m hnlca uca}m ne Vn}fm,rn,@mcrvkhj uca}m v`n}ab om amvv r`ch =4

l 4(4=4 +( C ?,ykm n`lv lmcv}mlmhr mi}ac n`llmrm+ kv khv}eekfkmhr rn umke{ r`kvuca}m o}r fch om }vmb rn fcrf` invv kmi}ackrkmv kh fcvmv y`mm c eachim `cv hnr ommh mynjmb

chb r`m TC vmfrknh kv hnr tnymmb: mcbkhi U^V@ r`n}i` c Vn}fm cffmvv `nam rn fcaf}acrm _^v`+yn}ab om tmemcoam(

Enaanykhi omany kv c rcoam ykr` fcaf}acrknhv en r`m ms}kucamhra{ cttakmb icrm unarcim en r`m

fnhbkrknhv mtmvmhrmb kh r`mvm BF Okcv R}hm ecka}mv7

TC V.H

hnrmv+

MTnr unarcimLcpkl}l

Lcp Bckh Ken cttakmb

MTnr Unarcim

Lmcv}mb _^v`!Vn}fm rn

@mcrvkhj _mv(

Vn}fm U bnten cttakmb

MTnr U % _^v`

Mskucamhrcttakmb Icrm

Unarcim 2+

69;;6; 3+ 2(32 U 3?4 lC 35(6 3(;5 U ?(30 U

6;2442 3+ 2(4; U 3=4 lC ?(; 4(26 U 6(5= U

23?294 3! ?+ 2(32 U 04 lC 5(9 4(=6 U 6(54 U23?56? 6+ 2(32 U 3=4 lC 3(5 4(?2 U 6(;4 U3+ _mynjmb chb tcvvmb ykr`kh caa tcclmrmv! ?+ V.H kv cfr}caa{ 23?924! 6+ Amer en mynj o{ enaany,nh

mhikhmmkhi tmvnhhma! 2+ Meemfrkum Uîcrm,rn,vn}fm < MTnr Vn}fmÛ^bntûnarcim(

35


17/18

Cttmhbkp O

Rkram7 Lmcv}khi S346 EMR Vn}fm,rn,@mcrvkhj mvkvrchfm r`n}i` r`mr`mlca tcb+ ykr` L_E;464H tcr ln}hrmb kh vkr} kh cbkn `mcrvkhj

T}tnvm7 Cvv}m tntm ln}hrkhi ne tcr S346 rn @mcrvkhj r`n}i` r`mlca

tcb o{ lmcv}khi r`m mvkvrchfm enl vn}fm rn `mcrvkhj

Tcclmrm7 _V@ _mvkvrchfm! Vn}fm rn @mcrvkhj! N`lv+

Rmvr Fnhbkrknhv7 _cbkn.TC nee hn unarcim cttakmb! nha{ ch N`llmrm }vmb+

Khvr}frknhv7

R}h nee BF tnym rn TC oncb }hbm rmvr(

?,ykm N`llmrm lmr`nb chb }vkhi r`m lkhkcr}m Ea}jm rmvr amcbv+

Tacfm r`m Hmicrkum rmvr tnom ne r`m N`llmrm khrn nhm ne r`m v`kmab `namv nh r`m TC Any tcvv

ekarmv(

Fnhrcfr r`m tnvkrkum amcb nh r`m rnt ne r`m v`kmab fch chb lmcv}m r`m khrkhvkf rmvr,amcbmvkvrchfm: mfnb r`m lmcv}mlmhr _^amcb < ^^^^^^ (

Tacfm r`m Tnvkrkum amcb ne r`m lmrm khrn cffmvv `nam nh

r`m rnt ne S346 ykr` r`m omvr cffmvv cv v`nyh rn r`mki`r7

Lcjm r`m lmcv}mlmhr7 _^lmcv < ^^^^^^^^^^ (

Fcaf}acrm cfr}ca mvkvrchfm7 _V@ < _^lmcv , _^amcb

_V@ ^^^^^^^ < _ lmcv ^^^^^^^^^^ , _ amcb ^^^^^^^^^^

2,ykm N`llmrm lmr`nb

Tacfm onr` Hmicrkum rmvr tnomv ne r`m N`llmrm khrn ryn ne r`m en} v`kmab `namv nh r`m TCAny tcvv ekarm(

Tacfm onr` Tnvkrkum amcbv ne r`m lmrm khrn r`m cffmvv `namv nh r`m rnt ne S346 chb lcjm r`m

lmcv}mlmhr7 _V@ < ^^^^^^^^ (

Kr lki`r om hmfmvvc{ rn }vm g}vr nhm `nam hnr novf}mb o{ c ycv`m+! kh y`kf` fcvm }vm nhm

tnom kh r`m `nam chb rn}f` r`m nr`m tnom cv any cv tnvvkoam hmc r`m fnhb}frkum rkt n v`cer(

39


18/18

Cttmhbkp F

Rkram7 Lmcv}khi Icrm S}kmvfmhr Unarcim ykr` L_E;464H tcrln}hrmb kh vkr} kh cbkn `mcrvkhj

T}tnvm7 Rmvr tcrv cffnbkhi rn umhbn tcclmrm fanvmvr rn ch

ntmcrknhca tcclmrm

Tcclmrm7 UIVS+ Unarv Icrm rn Vn}fm! S}kmvfmhr hn vkihca+

Rmvr Fnhbkrknhv7 UBV < ?5 Ubf Unarv! Bckh rn Vn}fm+KB < ?=4 lCbf Bckh F}mhr

Mpfmtr enl Emmvfcam L_E;464H bcrc v`mmr7

Khvr}frknhv7

R}h caa EMRv nh TC oncb nee o{ vmrrkhi BCF uca}mv Tnrmhrknlmrm uca}mv < 4+ rn wmn 4+ en

caa rchvkvrnv

Lmcv}m r`m mv}arkhi f}mhr bcyh o{ r`m TC cv K^nee(

Fcaf}acrm ch Kîcrm^S}kmvfmhr Bckh F}mhr kh S}kmvfmhr vrcrm+ cv7

K^nee lCbf * ?=4 lCbf < Kîcrm^S}kmvfmhr

^^^^^ lCbf * ?=4 lCbf < ^^^^^^ lCbf

C r{tkfca fcaf}acrknh }hv cv enaanyv7

329 lCbf * ?=4 lCbf < 6;9 lCbf

Cbg}vr Tnrmhrknlmrm &4 rn cf`kmum r`m Kîcrm^S}kmvfmhr fcaf}acrmb conum( _mcb r`m Icrm Unarcim neS346! r`kv ykaa om UIVS+ ^^^^^^^^^^^^^^^^(

Ke hmfmvvc{! v`nr r`m Vn}fm ne r`m EMR S346 rn nhm ne r`m ln}hrkhi vfmyv }vkhi c rmvr tnom:

r`kv cvv}mv r`cr r`m vn}fm kv cr Wmn 4+ unarv BF(

Y`kam r`kv rmvr bnmv hnr lmcv}m UIVS+ cr r`m tmvfkomb UBV cv Emmvfcam! r`m fnhvrchr f}mhr hcr}m ne c EMR

cffnbkhi rn icrm unarcim v`n}ab mv}ar kh uca}mv! ke ch{r`khi! imcrm r`ch r`m icbkhi aklkrv cv n}rakhmb kh r`m EMR

bcrc v`mmr(

30

report: resistance of transistor source-contact to ground on rf power amplifier using a pgs pad

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