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Texas Instruments TRF1500 manuale d’uso - BKManuals

Texas Instruments TRF1500 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Texas Instruments TRF1500. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Texas Instruments TRF1500 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Texas Instruments TRF1500 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Texas Instruments TRF1500 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Texas Instruments TRF1500
- nome del fabbricante e anno di fabbricazione Texas Instruments TRF1500
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Texas Instruments TRF1500
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Texas Instruments TRF1500 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Texas Instruments TRF1500 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Texas Instruments in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Texas Instruments TRF1500, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Texas Instruments TRF1500, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Texas Instruments TRF1500. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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.[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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.[...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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 [...]

  • Pagina 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 [...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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, [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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, [...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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 [...]

  • Pagina 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[...]

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    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[...]

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    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 [...]

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    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 [...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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[...]

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    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 ))[...]

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    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 [...]

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    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[...]

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    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[...]

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    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[...]