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Manual Texas Instruments TRF1500

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  • Texas Instruments TRF1500 - page 1

    Evaluati on Board D ocum entatio n TRF150 0 Integrat ed Dual-Band RF Rece iver User ’ s Guide APPLICATION BRIEF: SW RA0 04A Wirel ess Com munic atio ns Busi ne ss Unit Digita l Signal Processin g Solutio ns July 98 ...

  • Texas Instruments TRF1500 - page 2

    IMP O RT A NT NO T I CE Texas Ins truments (TI) re serves the right to make changes to its p roducts or to d i sc ontinue any se m iconduc tor produc t or se rvice without no tice, and a dvise s its cus t o m e rs to obtain the late st ve rsion o f relevant i nformation to ve rif y, befo r e placing o rders , that t he infor mation be i ng relie d ...

  • Texas Instruments TRF1500 - page 3

    T R AD EM AR KS TI i s a tra d em a r k of T exa s I n st r um ent s I n co rp o r at ed . Other brands and nam es ar e t he prope rty of t heir respe ctive owne rs. ...

  • Texas Instruments TRF1500 - page 4

    CONT ACT I NFORM AT IO N PI C TELE PHONE (972) 64 4-5 580 PI C FAX (972) 48 0-7 800 HP SUP POR T LI NE (972) 48 0- 7 87 2 PI C emai l sc- in f omas ter @ti .com ...

  • Texas Instruments TRF1500 - page 5

    Contents A b s tract ....................................................................................................................... .. 9 Product Support ......................................................................................................... 10 The TI A dvant age E xte nds B eyond RF to Ev ery Ot her Maj or W irel ess Syst ...

  • Texas Instruments TRF1500 - page 6

    Contents High- Band Cascad ed: P ower C onv ersio n Gain R eductio n ...................................... 41 High- Band Cascad ed: I mag e Rej ection................................................................... 42 High- Band Cascad ed: N oise F igure ........................................................................ 43 High- Band Casc ...

  • Texas Instruments TRF1500 - page 7

    Fig ure s Figur e 1. TRF 1500 D ual- Band R ecei ver Block Diagr am ................................................ 14 Figur e 2. Casca ded Bl ock Dia gram of the Low -Band Rec eiver Sec tion ......................... 18 Figur e 3. Volt age Di vid er at L ow-Ba nd LN A I nput .......................................................... 19 Figur e 4. ...

  • Texas Instruments TRF1500 - page 8

    TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 9 TRF1500 Integrated Dua l-Band RF Receiv e r User’s Guide Abstract The dual -band han dse t mark et is exp andi ng v ery rapi dly due t o the in crease in customers requ iring roaming capability. The custom er als o dem ands t hat h andse ts h ave a n incr ease in feat ures whil e ke ...

  • Texas Instruments TRF1500 - page 9

    SWRA004A 10 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Pr oduc t Suppor t The TI A d van ta ge E xt en ds Be yon d RF to E ver y O th er Major Wi rel ess Sy stem B lock RF Int erface RF Int erface Audio Int erface Audio Int erface TMS320C54X DSP Core S/W TMS320C54X DSP Core S/W ARM7TDMIE (C470) Mi croco ntr oller S/W ARM7TDMIE (C ...

  • Texas Instruments TRF1500 - page 10

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 11 Rela te d D ocum enta ti on The follow in g list sp eci fies pr oduc t n ames , par t num bers, and li teratur e num ber s of cor resp ondi ng TI doc ume ntatio n. ❑ Dual -B and/Du al- Mod e PCS R eceiv er , Lit era ture number SL W S 041A Worl d Wide Web Our Wo rld W i d e ...

  • Texas Instruments TRF1500 - page 11

    SWRA004A 12 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Int roduc t i on The TR F 1500 is a dual -ban d/d ual-m ode Per sonal Commu n ications System (PCS) re c e ive r fo r cellular telep ho nes oper atin g du al mo de ( anal og a nd digi tal) i n th e 800 M Hz ba nd an d singl e m ode ( digi tal) i n the 1900 M Hz ban d. Th e TR ...

  • Texas Instruments TRF1500 - page 12

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 13 Desi gn Considera ti ons The s ucc ess ful int egr atio n of a TR F150 0 rec eiver devi ce i nto a desig n is de pend ent upon the p er f or manc e of t he ext ern al compo nents and th e qu ali ty of t he boar d de sign and layo ut. E x t ern a l C o mp on en ts Com pone nt ...

  • Texas Instruments TRF1500 - page 13

    SWRA004A 14 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide TRF 1500 Du al-Ban d Rec ei ver A bl ock diagr am o f t he TRF 1500 d ual-b and r ecei ver f ron t end down conv ert er is show n in F igur e 1. Pin nam es an d des cri ptions are provi ded in T able 1. T he devi ce oper ates fr om a singl e 3.7 5 volt supply an d its operat ...

  • Texas Instruments TRF1500 - page 14

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 15 Table 1. Pi n Descri pt i ons Pin Num ber Name Descrip tion 1 Bi as A dj ust Bi as adj ust 2 TX IF + Tr ansmi t IF, noni n v erting output 3 TX IF - Tr ansmi t IF, inver ti ng output 4 GND ground 5 MIX I N LOW BAND Low band mix er input 6 GND ground 7V C C V c c 8 GND Ground ...

  • Texas Instruments TRF1500 - page 15

    SWRA004A 16 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 38 STRO N G SIGNAL Str ong si gnal indicati on 39 GND ground 40 VCC VCC 41 GND ground 42 LNA IN HIG H BA ND Hi gh band LNA input 43 LNA IN LOW BA ND Low band LNA i nput 44 GND ground 45 LNA OUT LOW BAND Low band LNA output 46 GND ground 47 GND ground 48 IR A DJ UST C Image r ...

  • Texas Instruments TRF1500 - page 16

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 17 TRF 1500 Cont rol Sta te The TR F 1500 o pera tes i n 18 di ffere nt st ates: T he co ntrol c ode and ac tive cir c uits are give n in T abl e 2. Table 2. Control S tate and the Co rrespondi ng Acti ve C i rcuits Contr ol C ode (HI/L O , SY N ON, RX ON, T X ON, STR ONG SIG NA ...

  • Texas Instruments TRF1500 - page 17

    SWRA004A 18 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low B and Cas caded R eceiver Section: LNA , Externa l SA W Fil ter , Mixer , a nd LO Buff er Ampli f ier The TR F 1500 l ow-b and r ecei ver s ecti on, show n in F ig ure 2, i s an inte grat ed fr ont- end dow n conv erter desi gned to op era te in t he 800 M Hz frequ enc y ...

  • Texas Instruments TRF1500 - page 18

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 19 Low -B an d LN A I n a typi cal down- co nversi on r ecei ver, the LNA is us uall y pl aced dir ectly aft er the ante nna a nd a ban d-s elec t filter . The purp ose o f the LN A i s to am pli fy the desi red sign al bei ng r ecei ved w hile addi ng as li ttle undesi red nois ...

  • Texas Instruments TRF1500 - page 19

    SWRA004A 20 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low -B an d LN A In pu t Fi gure 4 det ails t he low- ban d LNA i npu t con figur ati on. Th e LN A inpu t imp edanc e matchi ng ne twork pri mari ly de termi nes t he casc ade d gain , noise figur e, a nd i nput r eturn l oss per forma nce o f the l ow-b and r ecei ver s ect ...

  • Texas Instruments TRF1500 - page 20

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 21 Fi gure 5. Low-Ba nd LNA Outp ut Confi guration Surfa ce Aco us tic Wave (S AW) Fil ter The SA W f i lter is use d prim aril y as an im age- rej ect f il ter (I RF ). Th e i m ag e fr eq ue n cy (f IM ) is locate d at t he d esired ch annel freq ue ncy ( f CH ) pl us tw o tim ...

  • Texas Instruments TRF1500 - page 21

    SWRA004A 22 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low -B and M ix er The pur pose o f t he m ixer i n a dow n-co nversi on r ecei ver i s to trans late incom i ng si gnals fr om o ne fr eque ncy to an other . T he low -ba nd mix er i n the TR F150 0 is a t hree port high- si de i nject ed cir cuit. T he mi xer tak es tw o kn ...

  • Texas Instruments TRF1500 - page 22

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 23 Lo w -Band Mixe r LO In put Figur e 8 det ails t he l ow-b and m ixer LO i nput c onfig ur ation. T he inpu t pow er r ange l evel for t h e LO b uffer ampl i f ier is f lexi bl e enou gh (- 3 d Bm to -7 dBm ) t o dr ive t he m ixer w itho ut e nter ing compr essi on. The LO ...

  • Texas Instruments TRF1500 - page 23

    SWRA004A 24 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Fi gure 9. Low-Ba nd IF Output Confi guration Low -B an d LO B uf fer Am pl i fie r O u tp ut Fi gure 10 detai ls the l ow- band LO b uffer ampli f i er co nfig urati on . The l ow- band LO b uffer am pli fier c an be us ed in eith er si ngle- ende d or di ffere ntial m ode f ...

  • Texas Instruments TRF1500 - page 24

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 25 Fi gure 10. Low-B and Buffe r Ampli fier Output C onfigurati on ...

  • Texas Instruments TRF1500 - page 25

    SWRA004A 26 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low-B and Casc aded T est Gu i de This sec tion i nvol ves m eas urin g t he casc aded perfor ma nce o f the Low Band LNA , Low Ban d MI XER an d Low Ba nd I F Amp. An ext e r na l SAW f ilt e r is ut ilize d to com p le te the RF rec e iver section. All tests apply f or an I ...

  • Texas Instruments TRF1500 - page 26

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 27 2) Set the LO sour ce p ower ( LO P in ) an d the desi red frequ ency (see T able 3) . C onnec t the LO so urce to th e EVM LO inp ut port, J1 2. 3) Set the s pec trum a nalyz er to m easur e at t he I F fr eque ncy (s ee Tabl e 3) . 4) Conn ect the EVM IF output port, J 11, ...

  • Texas Instruments TRF1500 - page 27

    SWRA004A 28 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 4) Conn ect the EVM IF output port, J 11, t o the s pec trum anal yzer . 5) M easure t he o utput pow er at the I F f r eq uency ( IF P out ) with the spectr um anal yz er. 6) Ena ble the str ong sig nal . M easur e the outp ut power at t he I F freq uenc y (S S IF P out ) wi ...

  • Texas Instruments TRF1500 - page 28

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 29 b) Nex t, pr ess th e N oise Fi gure a nd Gai n Butt on. The corr ec te d LED j ust ab ov e the bu tton s ho ul d be lit. c) Cali bration i s com plete . Ent er the desire d IF f reque ncy t o meas ur e. Next, the ex ternal eq uipme nt Los s is c onsi dere d (RF cabl e, Tr an ...

  • Texas Instruments TRF1500 - page 29

    SWRA004A 30 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low -Ban d C asca de d: RF I n put Re tur n Lo ss Co nt rol st ate : 0110 00 The i nput r eturn loss of th e low ban d recei ver is meas ure d at t he EVM low ba nd R F inpu t por t, J1 0. T he me asurem ent is per form ed usi ng a netw ork a nalyz er. Set u p t he ne twork a ...

  • Texas Instruments TRF1500 - page 30

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 31 LOW BAND: L O Buffer Ou tput Power Co nt rol st ate : 0110 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 0 This sec tion i nvol ves m eas urin g t he Low Ban d LO B u ffer O utput . All u nu sed ports will be te rminated into 50 Ω . T he LO b uffer out put ...

  • Texas Instruments TRF1500 - page 31

    SWRA004A 32 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low -Ban d C asca de d: Th ird Order Inp ut I nt erce pt P oint (IIP 3) Co nt rol st ate : 0110 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 1: The third ord er in put i nter cept poin t is t he lev e l of th e RF inp ut power at whic h th e out put power l ...

  • Texas Instruments TRF1500 - page 32

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 33 L ow - Ba nd Ca sca de d: 1d B RF I np ut Comp re ss i on Po int Co nt rol st ate : 0110 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 0 The 1 dB input c o mpression poin t is t h e RF i n put power at which th e gain c o mpresses 1 dB. Gain comp ression is ...

  • Texas Instruments TRF1500 - page 33

    SWRA004A 34 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide -24 0.4 24.4 -23 1.2 24.2 -22 2.2 24.2 -21 3.0 24. 0 ← 1dB Co m pression Poi nt -20 3.0 23.0 L o w -Ba nd Ca scad ed: 1 dB Blo cki ng Po int Co nt rol st ate : 0110 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 1 The 1dB Bl ocki ng Poin t is a me asur emen ...

  • Texas Instruments TRF1500 - page 34

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 35 High-B and Casc aded R eceive r Sect ion: LNA , Mixe r , LO Buff er Am pli fier Casc ade d Hi gh-Ba nd R ecei ver S ect ion: LNA , Mixer , and LO A mp lifi er The TR F 1500 high- ban d rec eiver s ecti on, s hown i n Fi gur e 11, is an i ntegr ated fro nt-end down c o nver te ...

  • Texas Instruments TRF1500 - page 35

    SWRA004A 36 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Hi gh -Ba nd RF In put Fi gure 12 detai ls the high- ba nd RF input co nfig uratio n. The casca de d nois e f ig ure and i np ut retur n l oss p er forma nce o f the high- band r eceiv er s ecti on i s det erm ined pr imar ily by t he input matchi ng ne twork. T he in put m a ...

  • Texas Instruments TRF1500 - page 36

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 37 Figu re 1 3 deta ils the TRF15 00 conf i gure d to u t ilize the low-b and LO in put and d oubl er as the hi gh-b and LO. Th e hig h-ban d LO signal is injec ted in to th e low- band LO i nput. The b uffer ed si gnal is the n r outed thr ough the doubl er. The outp ut o f the ...

  • Texas Instruments TRF1500 - page 37

    SWRA004A 38 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Hi gh -Ba nd IF Ou tpu t Figur e 15 detai ls the high- band m ix er I F ou tput c onfi gur ation. T h e high- band mi xer has a di ffere ntial IF outp ut wit h a 1k Ω di ffer en tial out put im ped ance. F or eval uati on purpos es, a 16:1 tra nsfor mer balu n, wit h an i n ...

  • Texas Instruments TRF1500 - page 38

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 39 Hig h-B an d LO B uf fer Am pli fier Ou tpu t Fi gure 16 detai ls the high- ba nd LO bu ffer am pli f ier con figur ati on. The hig h-band LO b uffer c an be used in eith er sing le- end ed or di ff erenti al mo de for a phase l ock l oop (P LL) c o nfigur ation. T h e buffer ...

  • Texas Instruments TRF1500 - page 39

    SWRA004A 40 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide High-B and Casc aded T est Gu i de This sec tion i nvol ves m eas urin g t he casc aded perfor ma nce o f the Hi gh Ban d LNA, Hi gh B and M ix er and H ig h Ban d IF Am p usi ng the F req uency D oubler . Al l t ests apply for a n I F out put termi nat ed into a 1 k Ω diff ...

  • Texas Instruments TRF1500 - page 40

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 41 2) Set the LO sour ce p ower ( LO P in ) an d the desi red frequ ency (see T able 4) . C onnec t the LO so urce to th e EVM LO inp ut port, J1 2. 3) Set the s pec trum a nalyz er to m easur e at t he I F fr eque ncy (s ee Tabl e 4) . 4) Conn ect the EVM IF output port, J 21, ...

  • Texas Instruments TRF1500 - page 41

    SWRA004A 42 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Hig h-Ban d Casc a ded: Im age R eje ction Co nt rol st ate : 1110 01 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 0 I mage Rej ecti on is a si gn al that app ears at twi ce th e I F di stance from the desir ed RF si gnal, l ocat ed on t he o pposi te si de o ...

  • Texas Instruments TRF1500 - page 42

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 43 Hig h-B and C asc ade d: Noi se Figur e Co nt rol st ate : 1110 01 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 2 The c asc aded N oise Figur e (N F) i s me asure d at the E VM Low Band I F o utput por t, J21 . Th e m easur ement i s per for med us ing an HP89 ...

  • Texas Instruments TRF1500 - page 43

    SWRA004A 44 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide a) Spe cial F uncti on 34.1 tur ns on the l oss com pensati on factor. b) Spe cial F uncti on 34.2 is us ed to e nter the los s be f or e t he DUT. c) Spe cial F uncti on 34.3 is us ed to enter th e room temp erat ure i n K elvin ( 30 0 ° K). d) Spe cial F uncti on 34 .4 i s ...

  • Texas Instruments TRF1500 - page 44

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 45 1) Set the netw ork a nalyz er t o me asur e the low ba nd RF freq ue ncy (s ee T abl e 4). 2) Se t the p owe r rang e to -3 5 dB m t hro ug h -2 0 dBm, and t hen set t he in put power to -3 0 dBm . 3) Per form a ful l o ne-por t c alibra tion on port 1 o f t he n etwork anal ...

  • Texas Instruments TRF1500 - page 45

    SWRA004A 46 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Hig h-Ban d C asca ded: Pow er Le akage LO I n to RF In Co nt rol st ate : 1110 01 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 3 The LO l eakag e at t he R F p ort is m easur ed a t the low ba nd RF inpu t por t J20 . P ower l eak age i s a m eas ure o f p ow ...

  • Texas Instruments TRF1500 - page 46

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 47 6) Conn ect the EVM IF output port, J 21 to th e s pectr um a nalyz er. 7) M easure t he Fu ndam ental ou tput pow er at the I F f re quenc y (F Fund ). 8) M easure t he I ntermo dul atio n pr oducts ( 2F 2 - F 1 or 2F 1 - F 2 ) at F IF ± 120 kH z 9) C alculat e t he I nterm ...

  • Texas Instruments TRF1500 - page 47

    SWRA004A 48 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide RF P in P out Gain -35 -10 25 -34 -9 25 -33 -8 25 -32 -7 25 -31 -6 25 -30 -5 25 -29 -4 25 -28 -3 25 -27 -2 25 -26 -1. 2 24.8 -25 -0. 4 24.6 -24 0.4 24.4 -23 1.2 24.2 -22 2.2 24.2 -21 3.0 24. 0 ← 1dB Co m pression Poi nt -20 3.0 23.0 Hig h-B and C asca de d: 2X2 S pur P erfo ...

  • Texas Instruments TRF1500 - page 48

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 49 8) C alculat e 2 X 2 spur per f orm anc e as 2 X 2 sp ur pe r f orm ance = 1 P out - 2 P out. Hig h Ba nd: 3X3 S pur Pe rform a nce Co nt rol st ate : 1110 01 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 0 3X3 S pur Per form ance i s m eas ured a t I F outp ut ...

  • Texas Instruments TRF1500 - page 49

    SWRA004A 50 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low-Ba nd a nd High- Ba nd T r a nsmi t Low- and H ig h-B and Tra nsmit M ixer Figur e 17 detai ls the block dia gram of the tra nsmi t mixer . T he TR F1500 provi des a tr ansmi t mix er for dow n conv erti ng t he system tr ansmit sign al (low-b and or hig h-ban d ) to a co ...

  • Texas Instruments TRF1500 - page 50

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 51 Fi gure 18. Low- and H igh-B and Tra nsmit Mixer R F Input Confi gurati on Low - a nd H igh-B a nd Tr a nsmi t Mix er IF Ou t put Figur e 19 detai ls the tr ansm it mix er IF outpu t con figur atio n. T he transm it mi xer has a di ffere ntial IF out pu t with a 1k Ω differ ...

  • Texas Instruments TRF1500 - page 51

    SWRA004A 52 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low-B and T r ansmit Mixe r T est Gu ide Thi s sec tion inv olves m easur ing t he Tr ansmit M ixer per forma nce. All tests apply f or an IF out pu t term inat ed i nto a 1 k Ω di fferenti al load . To m atch the I F o utput to the 50 Ω test e quipm ent a trans form er b ...

  • Texas Instruments TRF1500 - page 52

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 53 3) Set the s pec trum a nalyz er to m easur e at t he I F fr eque ncy (s ee Tabl e 5) . 4) Conn ect the EVM IF output port, J 31, t o the s pec trum anal yzer . 5) M easure t he I F out put p ower ( IF P out ) at the I F fre qu enc y wi th the s pectr um analy zer. 6) C alcul ...

  • Texas Instruments TRF1500 - page 53

    SWRA004A 54 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide b) Nex t, pr ess th e N oise Fi gure a nd Gai n Butt on. The corr ec te d LED j ust ab ov e the bu tton s ho ul d be lit. c) Cali bration i s com plete . Ent er the desire d IF f reque ncy t o meas ur e. Next, the ex ternal eq uipme nt Los s is c onsi dere d (RF cabl e, Tr an ...

  • Texas Instruments TRF1500 - page 54

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 55 1) Set the netw ork a nalyz er t o me asur e the low ba nd RF freq ue ncy (s ee T abl e 5). 2) Se t the p owe r rang e to -3 5 dB m t hro ug h -2 0 dBm, and t hen set t he in put power to -3 0 dBm . 3) Per form a ful l o ne-por t c alibra tion on port 1 o f t he n etwork anal ...

  • Texas Instruments TRF1500 - page 55

    SWRA004A 56 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 1) Set the T X so urce fre quency a nd i nput power (se e Ta ble 5) . Conn ect th e TX so urce to th e EVM TX in put p ort, J 30. 2 ) Se t the spe ctru m an al yzer to me a su re at the T X fr equen cy (s ee Tabl e 5) . 3) Conn ect the LO In Port , J1 2, to the s pectr um a n ...

  • Texas Instruments TRF1500 - page 56

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 57 -31 -12 19 -30 -11. 2 18. 8 -29 -10. 2 18. 8 -28 -9. 2 18.8 -27 -8. 4. 18.6 -26 -7. 6 18.4 -25 -7. 8 18.2 -24 -6.0 18.0 ← 1dB Com press i on Poi nt -23 -5. 5 17.5 L o w -Ba nd Tra nsm i t Mix er: S e con d Orde r Inpu t In terc ept Po in t (IIP2 ) Co nt rol st ate : 0101 00 ...

  • Texas Instruments TRF1500 - page 57

    SWRA004A 58 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low -Ba nd Tra ns mit Mi xe r: Thi rd Ord er Inpu t Inte rcept Point (IIP3 ) Co nt rol st ate : 0101 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 1 The third ord er in put i nter cept poin t is t he lev e l of th e RF inp ut power at whic h th e out put pow ...

  • Texas Instruments TRF1500 - page 58

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 59 High-B and T r ansmit Mixer T est Guide Thi s sec tion inv olves m easur in g the Hi gh Ba nd Tr ansmi t M ixer per form ance. All tes ts ap ply for a n IF ou tput term inate d in to a 1 k Ω di fferen tial lo ad. T o match the I F o utput to the 5 0 Ω tes t equi pme nt a ...

  • Texas Instruments TRF1500 - page 59

    SWRA004A 60 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Low-Ba nd LNA S tand- Al one T es t Gui de This sec tion i nvol ves m eas urin g the Low Ban d LNA by i tsel f. All unus ed p orts are termi nate d into 50 Ω . Be fore m eas uring the l ow band LNA by its elf th e EVM boar d mus t be m odifie d as foll ows: Rem ove C 12 a n ...

  • Texas Instruments TRF1500 - page 60

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 61 The LNA i nput r e turn l oss i s me asur ed at the i npu t Por t J10. Usi ng the c alibr atio n per form ed ab ov e, set t he n etwork an alyz er to meas ur e S11 . Low -B an d LN A: Out pu t Retur n Lo ss Co nt rol st ate : 0110 00 The LNA outp ut retur n loss is me asure d ...

  • Texas Instruments TRF1500 - page 61

    SWRA004A 62 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 6) To d eter mine the 1 dB c ompr essi on poi nt, th e RF P in is in cre ase d in steps of 1 dB m un t il th e ga i n co mpr e sse s by 1 dB. R epea t st ep 4 and 5 until the gai n com pres ses by 1dB. RF P in P out Gain -35 -20 15 -34 -19 15 -33 -18 15 -32 -17 15 -31 -16 15 ...

  • Texas Instruments TRF1500 - page 62

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 63 c) Af te r ent er i ng th e EN R f or th e de sire d f r eq ue nc y, pre s s th e Fr equency butt on on t he fr ont panel t o exit. 5) To c ali brat e the N F Meter : a) C onnect the N oise So urc e dir ectly to the NF meter ; pr es s the cal ibr ation but ton tw ice. b) Nex ...

  • Texas Instruments TRF1500 - page 63

    SWRA004A 64 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide The third ord er in put i nter cept poin t is t he lev e l of th e RF inp ut power at whic h th e out put power l evels of th e un desir ed inter mo dulati on pr od ucts and the d esir ed pr oduc ts ar e eq ual. T he meas urem ent i s per formed usi ng tw o RF sour ces a nd a ...

  • Texas Instruments TRF1500 - page 64

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 65 Low-Ba nd Re c ei v er Mixe r Sta nd- Al one T es t Gui de This sec tion i nvol ves m eas urin g t he Low Ban d Rec eiver M ixer. All unus ed po rt s will be t e rminated into 5 0 Ω . Be fore meas urin g t he low band M ixer s eparat ely, t he EVM boar d must be modi f ie d ...

  • Texas Instruments TRF1500 - page 65

    SWRA004A 66 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 5) M easure t he I F out put p ower ( IF P out ) at the I F fre qu enc y wi th the s pectr um analy zer. 6) C alculat e t he C asc aded Gai n as: Gain = (IF P out - RF P in ) + Transforme r Lo ss. The trans form er loss is 1 .8dB. Low-B an d Rece i ver Mi xer: In put R etur n ...

  • Texas Instruments TRF1500 - page 66

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 67 Low-B an d Rece iver Mixer : P ower L eaka ge LO In t o R F In Co nt rol st ate : 0110 00 SE E A P PENDIX A : TEST BENCH SE TUPS Test s etup Fi gure 2 3 The LO l eakag e at t he R F p ort is m easur ed a t the low ba nd mix er RF input port, J15. Pow er le aka ge is a m easur ...

  • Texas Instruments TRF1500 - page 67

    SWRA004A 68 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide a) On t he fro nt pa nel , press the EN R but to n. b) C heck th e ENR val ue by pr essin g the E nter bu tton or e nter the ENR value for each f r equen cy. c) Af te r ent er i ng th e EN R f or th e de sire d f r eq ue nc y, pre s s th e Fr equency butt on on t he fr ont pa ...

  • Texas Instruments TRF1500 - page 68

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 69 J12, may be n ecess ary to elim inat e the bro ad b and n oise duri ng t esti ng. 9) Conn ect the EVM IF output port, J 11, t o the nois e f i gur e m eter inpu t por t. a) A b an dp as s or low pas s fil ter m ay be ne cess ary on the I F port to el imi nate t he L O sig nal ...

  • Texas Instruments TRF1500 - page 69

    SWRA004A 70 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide -23 -13 10 -22 -12. 2 9. 8 -21 -11. 4 9. 6 -20 -10. 4 9. 6 -19 -9.6 9.4 -18 -8.7 9.3 -17 -7.8 9.2 -16 -6.8 9.2 -15 -6.0 9.0 ← 1dB Compr ession Poi nt -14 -5.5 8.5 Low-B an d Rece iver Mixer : T hird Order Inp ut Int erce pt P oint (IIP3 ) Co nt rol st ate : 0110 00 SE E A P ...

  • Texas Instruments TRF1500 - page 70

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 71 I ntermod ulati on Suppr essi on = F Fund - Inter modul ation prod uct 10) Cal culat e th e Inp ut T hird - Ord er I nterc ept P oint as: I nput Thi rd-Or der Interc ept = ( (I ntermo dul ation Su pp ression/2 ) + (RF P in )) ...

  • Texas Instruments TRF1500 - page 71

    SWRA004A 72 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Appendi x A: T est B e nc h Conf i gu r ation Fi gure 20. Test Bench S etup: P ower Conversi on Gain, Pow er Conversion Gai n Reducti on, 1dB RF Inpu t Compressi on Poi nt, Second Order Input Intercept Poi nt (IIP2), 2x 2 Spur Perfo rmance, 3x 3 Spur P erformanc e, Image rej ...

  • Texas Instruments TRF1500 - page 72

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 73 Fi gure 22. Test B ench Setup: N oise Fi gure NOISE FIGURE METE R DUT LO SIGNAL SOURCE RF IN IF OUT LO IN DC P OWER SUPPLY DC P OWER METE R NOISE SOURCE Fi gure 23. Test Bench S etup: P ower Leakage LO In to R F In 50 Ω DUT SPECT RUM ANALYZER LO SIGNAL SOURCE DC P OWER SUPP ...

  • Texas Instruments TRF1500 - page 73

    SWRA004A 74 TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide Fi gure 24. Test Bench S etup: P ower Leakage RF In to LO I n Me asurements 50 Ω SPECT RU M ANALYZER RF SIGNAL SOURCE DC POWER SUPPLY DC POWER METER RF I N LO IN IF OU T DUT Fi gure 25. Test B ench Setup: LN A Noi se Fi gure Measurem ents DC P OWER SUPPLY DC P OWER METE R R ...

  • Texas Instruments TRF1500 - page 74

    SWRA004A TRF 1500 Integrated Dual- B and RF Receiver Us er ’s G uide 75 Fi gure 26. Test Bench S etup: LN A Thi rd Order Input I nterce pt Poi nt (IIP3) Measurement RF SIGN AL SOURCE RF SIGN AL SOURCE DC P OWER SUPPLY DC P OWER METE R RF IN RF OUT SP ECTRUM ANALYZER DUT Fi gure 27. Test Bench S etup: LN A 1dB Inp ut Compressi on Poi nt DC POWER S ...

Manufacturer Texas Instruments Category Stereo Receiver

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