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tb3126 2 f 2001 - 12 - 26 1 toshiba bi - cmos integrated circuit silicon monolithic t b 3 1 2 6 2 f rf 1 chip ic for 900 mhz c ordless t elephone one packag e involve three systems about rf, if, and af. involving lna, mix, pa, vco (tx,rx), pll, if - amp, detecter, compander ,and 4 useful audio amplifiers. i t is possible to reduce many external parts. this ic is suitable for ism 900 mhz cordless telephone. features s ame system & software almost compatible as tb31261af (single conversion, if frequency: 10.7 mhz,) built - in lna built - in 1?st mix ? double balanced mix (dbm) type. built - in differential vco , variable capacitor (tx, rx) and doubler (450 mhz 2) built - in pa a substitution from tb31261af is easy (same package , software almost compatible ) low operating voltage: v cc = 2.0~ 5.0 v current operating current : i cc = 70 ma (all on) pll operating frequency : around 4 50 mhz serial control for all status built in pre - amp, receiver - amp, mic - amp , and spl - amp receiver output level adjustment. variable battery alarm setting. ( 7 thresholds) built in battery saving function for intermittent receiving. small package: qfp52pin (0.65 mm pitch) ?? handle with care to prevent devices from deterioration by static electricity. qfp52 - p - 1010 - 0 .65
tb3126 2 f 2001 - 12 - 26 2 block diagram pre - in pa - gain - cont t vcc1 if - amp2 (1 ? st) differential tx osc balanced connectable to mix 10.7mhz cf af - out mic in quad lna - e gnd1 40 41 42 43 44 45 46 47 49 51 52 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 1 2 3 4 5 6 7 8 9 10 11 12 13 rx - loop c - rect rx - vcc rxvco - l2 rxvco - l1 rx - gnd if - amp1 out vref if - amp2 in e - rect g if - amp ref 10.7mhz cf g if - amp1 in mix - out vcc3 data - out rssi clk data stb ref - in lna lna - c lna - b ant vcc2 data - in r14 39k matching network dc - cut 220k w r16 330k w r dynamic receivr receiver 1 receiver 2 40pf quad 48 exp 50 s oft volume (att) tx - mute if - amp2 (2 ? nd) 470k w 22pf pre - amp lpf:fc = 15khz feed back pa - out1 pa - out2 pa - gnd spl out spl in comp out comp spl - amp tx - mute mic out mic in feed back gain setting gain setting lpf lpf mic - amp divider phase compalator c41 220pf mod 450mhz 900mhz buffer doubler ( 2) freq dc - cut lpf dc - cut txvco - l1 txvco - l2 tx - gnd tx - loop gnd2 data latch control c - np pha se compalator divider 450mhzosc balanced connectable differ ent i al rx vco buffer 900mhz double ( 2) double balanced mix data - comp if - amp1 gv = 24db sig - out r17 8.2k 38kohm r13 c35 18n det coil if - amp2 1 ? st, 2 ? nd amount gv = 72db differential tx osc c45 1n c44 47p c30 8.2n l8 c29 2.2 m r12 4.7k c28 100n 27n c27 c24 47p c23 10n 17 2.2n 16 2.2n c22 100n c21 10 m c20 2.2 m c43 10n 10 m c18 100n c1 9 c48 47p r8 100k c17 c16 100p 100n c15 r9 1n 0 w r11 r10 r7 100k c14 dc - cut 1 m c46 c47 47p 1n 50k vr1 bi - pass c13 2.2 m 2.2 m c12 r6 1 m 1k c11 15 2.2n 14 2.2n c25 10n r2 470k c7 100p c26 47p tx - vcc c6 1 m c8 1 m r3 470k c9 r4 c10 r5 39k 0 11 3.3n 12 3.3n c2 1n bi pass bi pass c1 47p pa - vcc c42 3p c3 5p l3 10n c4 c5 3p pi - matching network r15 c40 1 m exp - out c38 10 m c39 100n c37 1 m vr2 max 50 k w (ex) c33 10 m 100k r17 3kohm c3 4 10 0n 3p c31 l9 15n c32 lpf pi - matching network dup bias gv r1 15k c36 1 m
tb3126 2 f 2001 - 12 - 26 3 p in f unction ( the value s of internal components are typical ) p in no. p in n ame f unction i nternal e quivalent c ircuit 1 pa - v cc v cc terminal 2 pa - out 1 differential output terminal1 of power amp 3 pa - out2 differential output terminal2 of power amp 4 pa - gnd gnd terminal 5 spl - out output terminal of splatter a mp 6 spl - in input terminal of splatter amp 7 comp - out output terminal of compressor 8 mic - out output terminal of mic amp 9 mic - in input termina l of mic amp 2 3 1 4 5 300 w spl - out 300 w 300 w 6 40 m a 100 m a gnd1 14 4 v cc1 8 9 200 m a 10 m a 300 w 300 w 30 k w gnd1 vco 7 200 w 100 m a v cc1 gnd1
tb3126 2 f 2001 - 12 - 26 4 p in no. p in n ame f unction i nternal e quivalent c ircuit 10 tx - v cc v cc terminal 11 txvco - l1 terminal1 for external inductor of differential txvco 12 txvco - l2 terminal2 for external inductor of differential txvco 13 tx - gnd gnd terminal 14 tx - loop terminal1 for tx loop filter 15 c - nf terminal for compressor ? s negative feedback capacitor 16 pa - gain - cont pa gain control terminal for external variable resistance to gnd 17 gnd2 gnd terminal ? 18 ref - i n reference clock input terminal 10 11 13 12 spl out tx loop v cc1 15 200 m a 30 k w 30 k w 10 m a gnd1 v ref 18 500 w 100k w 16 10 k w 14 5 v cc3 gnd2 14 vco
tb3126 2 f 2001 - 12 - 26 5 p in no. p in n ame f unction i nternal e quivalent c ircuit 19 stb strobe input terminal for serial data setting 20 data data input terminal for serial data setting 21 clk clock input terminal for serial data s etting 22 sig - out signal output terminal 23 rssi rssi linear output terminal 24 data - out output terminal of data comparater 25 v cc3 v cc terminal ? 26 mix - out output terminal from mixer 1 k w gnd2 21 20 19 22 gnd2 200 w 23 15 k w gnd1 v cc1 2 4 gnd1 v cc1 26 270 w
tb3126 2 f 2001 - 12 - 26 6 p in no. p in n ame f unction i nternal e quivalent c ircuit 27 ifamp1in input terminal for i f - amp1 28 v cc1 v cc terminal 30 ifamp2in input terminal for if - amp2 29 if - amp - ref reference terminal for if - amp1 and if - amp2 ? 31 e - rect expander ? s external rectifier capacitor terminal ? 32 ifamp1out output terminal from expander 33 vref re ference voltage output terminal with external bi - pass capacitor ? 34 rx - gnd gnd terminal 35 rx - vcol1 terminal1 for external inductor of differential rxvco 36 rx - vcol2 terminal2 for external inductor of dif ferential rxvco 37 rx - v cc v cc terminal 38 rx - loop terminal1 for rx loop filter 32 270 w 800 m a v cc1 gnd1 37 35 34 36 rx loop 200 m a 170 w 1.7 k w 0.5 pf 27 29 gnd1 0.5 pf 170 w v cc1 1.7 k w 3 k w 200 m a 170 w 3 k w 0.5 pf 30 29 gnd1 0.5 pf 170 w v cc1 3 k w 3 k w 14 v cc3 gnd2 38 vco
tb3126 2 f 2001 - 12 - 26 7 p in no. p in n ame f unction i nternal e quivalent c ircuit 39 c - rect terminal for compressor ? s rectifire capacitor 40 lna - c corrector terminal of lna 42 lna - e emitter terminal of lna 43 lna - b base terminal of lna 41 gnd1 gnd terminal ? 44 v cc2 v cc terminal ? 45 data - in input terminal of data comparator 46 pre - in input terminal of pre amp v cc1 300 w 8.3 k w gnd1 39 v cc1 gnd 1 45 10 m a 50k w v cc1 46 300 w 10 m a gnd1 v ref 200 m a 300 w v cc1 gnd1 exp 43 42 40
tb3126 2 f 2001 - 12 - 26 8 p in no. p in n ame f unction i nternal e quivalent c ircuit 47 af - out audio frequency output terminal of quadrature detection 48 quad terminal for external quad - coil for detection 49 exp - out output terminal of expander 50 rec - in input terminal of receiver amp 51 rec - out1 differential output terminal1 of receiver amp 52 rec - out2 differential output terminal2 of re ceiver amp 80 m a gnd1 47 330 w v cc2 4 k w 48 500 w 40 m a gnd1 v cc2 gnd1 300 m a 100 w 4 k w gnd1 3pf 49 300 w att v cc1 gnd1 20 pf v cc1 gnd1 v ref 50 300 w 20 k w 10 k w 5pf 10 m a 10 m a 10 k w 51 52 20 k w v cc1 v cc1 gnd1 gnd1
tb3126 2 f 2001 - 12 - 26 9 1. general d escription tb3126 2 f is controlled all status by serial data. this ic is included if detector, pll , and compander. if detector function is for wide - band system , dual pll function, and compander with mic amp and receiver amp. + ?e power supply block assign v cc1 lna, mix, if - amp1 , data - comp , mic - amp , compressor , receiver - amp pre - amp , expander , splatter - amp v cc2 gnd1 if - amp2 , quad v cc3 gnd2 rx - pll , tx - pll , ref - input, data latch control rx - v cc rx - gnd rx - vco + doubler+buffer tx - v c c tx - gnd tx - vco + doubler+buffer pa - v cc pa - gnd power - amp vcc1 vcc2 rx - vcc vcc3 rx - gnd tx - vcc pa - vcc gnd1 gnd2 pa - gnd tx - gnd lna mix if1 if2 rx - vco + doubler + buffer rx - pll logic exp pa tx - vco + doubler + buffer tx - pll comp
tb3126 2 f 2001 - 12 - 26 10 g v distribution for receiving 2. pll block 3. data latch control this block has 4 registers assigned by 2 or 3 bits code. data is read on the time of up edge of clk. when stb receivers high s ignal, data in shift register is sent into latch to control block which code indicates and the operation starts. input timing for serial data when both clk ? h ? and data ? l ? , stb ? h ? leads data active. c ode c ontrol b lock f unction * 1 0 tx divider (18 bi ts) setting frequency for tx - pll * 0 1 rx divider (18 bits) setting frequency for rx - pll * 1 1 ref divider (1 2 bits) setting phase comparison frequency 0 0 0 option control 1 battery save , mute control , etc 1 0 0 option control 2 volume control ism900 ( 902 - 928 mhz ) ?` cp 1/16,1/17 (4 bit counter) 11 bit counter fin operation state stb data clk > 1 m s > = 0.2 m s > = 0.2 m s > = 0.2 m s > = 0.1 m s > = 0.1 m s > = 0.2 m s > = 0.2 m s previous state new state cf2 if amp1 cf1 if amp2 quad mix - 4db - 4db 24db 72db 0db 7 db total 1 09 db lna - 4 db dup 20db
tb3126 2 f 2001 - 12 - 26 11 4. s er ial data format (1) tx divider (set vco doubler output frequency (ex 900 mhz, not 450 mhz)) swallow counter ( 4 bit ) programmable counter (11 bit) c ode a0 a1 a2 a3 m0 m1 m2 m3 m4 m5 m6 m7 m8 m9 m10 * 1 0 ? 1st * don?t care n = 2 (16m + a) (480 - 6553 4 ) a = a0 + 2a1 + 4a2 + 8a3 m = m 0 + 2 m 1 + 4 m 2 + 8 m 3 + 16 m 4 + 32 m 5 + 64 m 6 + 128 m 7 + 256 m 8 + 512 m 9 + 1024 m 10 (2) rx divider (set vco doubler output frequency (ex 900 mhz,not 450 mhz)) swallow counter (4 bit) programmable counter (11 bit) c ode a0 a1 a2 a3 m 0 m 1 m 2 m 3 m 4 m 5 m 6 m 7 m 8 m 9 m 10 * 0 1 ? 1st * don?t care n = 2 ( 16 m + a ) ( 480 - 6553 4 ) a = a0 + 2a1 + 4a2 + 8a3 m = m 0 + 2 m 1 + 4 m 2 + 8 m 3 + 16 m 4 + 32 m 5 + 64 m 6 + 128 m 7 + 256 m 8 + 512 m 9 + 1024 m 10 (3) ref divider programmable counter (10bit) c ode r 0 r1 r2 r 3 r4 r5 r6 r7 r8 r9 1 1 ? 1st n = r (4 - 1023) r = r0 + 2r1 + 4r2 + 8r3 + 16r4 + 32r5 + 64r6 + 128r7 + 256r8 + 512r9 (4) option control 1 sig out tx control rx control bat - alm (setting) c ode txld rxld rssi balm rf af cp mut rf af cp mute ba1 ba2 ba3 0 0 0 ? 1st stb stb stb stb
tb3126 2 f 2001 - 12 - 26 12 1 ?j battery saving (bs) control 0 operation 1 b attery s aving (bs) b it c ontrol b lock rx - rf rx - pll,rx - buffer tr, if amp,quad,data comp,rssi , lna, mix, rx - vco + doubler ? i cc 2 rx - af pre amp,expander,receiver amp ? i cc 3 tx - rf tx - pll,tx - buffer tr , pa , tx - vco + doubler ? i cc 4 tx - af mic amp, compressor, splatter - filter ? i cc 5 ref input = off at tx - rf = 1 and rx - rf = 1 2 ?j c harge p ump o utput c urrent s elect cp c urrent 0 400 m a 1 800 m a 3 ?j mute control 0 operation 1 mute on tx - mute control for com pressor output. rx - mute control for expander output. 4 ?j b attery alarm d etection s etting this ic has 5 threshold levels for detection of battery dropping. these threshold levels are given by below table. ba1 ba2 ba3 det. v oltage 1 0 1 2.15 v 0 0 0 2.25 v 0 0 1 3.00 v 0 1 0 3.15 v 0 1 1 3.30 v 1 0 0 2 . 85 v 1 1 0 2 . 75 v 1 1 1 bs
tb3126 2 f 2001 - 12 - 26 13 5 ?j sig out selection sig out terminal generates combination states of rx and tx lock detector and rssi. 0 off 1 out put bit function txld tx - pll lock detector rxld rx - pll lock detector rssi rssi comparator output balm battery alarm (5) option control 2 receiver output level control it is possible to volume control to set these bits. and this resister includes test bits which must be set 0 in customer side. 1.5db steps from 0db to - 22.5db. receiver volume c ode vol1 vol2 vol3 vol4 test 1 0 0 vol1 vol2 vol3 vol4 gain 0 0 0 0 0db 0 0 0 1 - 1.5db 0 0 1 0 - 3.0db 0 0 1 1 - 4.5db 0 1 0 0 - 6.0db 0 1 0 1 - 7.5db 0 1 1 0 - 9.0db 0 1 1 1 - 10.5db 1 0 0 0 - 12.0db 1 0 0 1 - 13.5db 1 0 1 0 - 15.0db 1 0 1 1 - 16.5db 1 1 0 0 - 18.0db 1 1 0 1 - 19.5db 1 1 1 0 - 21.0db 1 1 1 1 - 22.5db
tb3126 2 f 2001 - 12 - 26 14 maximum ratings (ta = 25 c ) c haracteristic s ymbol r ating u nit power supply voltage vcc 6 v power dissipation pd *1) 900 mw operating tem perature t opr - 20 ~ 70 c storage temperature t stg - 50 ~ 150 c *1) ic single unit tentative electrical characteristics (1) system characteristics - total ( v cc = 3.6 v , ta = 25c , d f = 25 khz , fmod = 1 khz ?j c haracteristic symbol t est c ircuit t est c ondition min typ. max unit o perating power supply voltage v cc (opr) ? ? 2. 0 3.6 5 . 0 v consumption current 1 i cc1 ?p all on ?c pa - gain cont = 20 k w 56.0 70.0 84.0 m a consumption current 2 i cc2 ?p rx - rf on 18.0 26.0 34.0 m a consumption current 3 i cc3 ?p rx - af on 2.0 2.9 3.8 m a consumption current 4 i cc4 ?p t x - rf on ?c pa - gain cont = 20 k w 32.0 40.0 48.0 m a consumption current 5 i cc5 ?p tx - afon 1.1 1.7 2.3 m a alarm supply current i cc (a) ?p rl = 100k w ?a 3.3vmode 80 115 180 m a supply current at bs i cc (bs) ?p all off ?\ 0 5 m a v ih ? ? 0.8 v cc v cc 4.0 v data input threshold 1 v il ? ? - 0.2 0 0.2 v cc v i ih ?p v ih = v cc ? 0 1 m a data input current i il ?p v il = gnd ? 0 1 m a ck input frequency f ck ?p ? ? 100 4 000 khz
tb3126 2 f 2001 - 12 - 26 15 - detector s (unless otherwise specified, v cc = 3.6 v, ta = 25c) detector - 1: battery alarm c haracteristic s ymbol t est c ircuit t est c ondition m in t yp . m ax u nit vbat 0 - l ? 2.07 2 .15 2.23 v detection voltage 0 vbat 0 - h ?p ? ?\ 2.22 2.30 v vbat1 - l ? 2.17 2 .25 2.33 v detection voltage1 vbat1 - h ?p ? ?\ 2.32 2.40 v vbat2 - l ? 2.67 2 . 75 2.83 v detection voltage2 vbat2 - h ?p ? ?\ 2.83 2.91 v vbat 3 - l ? 2.77 2 . 85 2.93 v detection voltage3 vbat 3 - h ?p ? ?\ 2.93 3.01 v vbat4 - l ? 2.92 3.0 0 3.08 v detection voltage4 vbat4 - h ?p ? ?\ 3.08 3.16 v vbat5 - l ? 3.05 3. 15 3.25 v detection voltage5 vbat5 - h ?p ? ?\ 3.25 3.35 v vbat 6 - l ? 3.20 3.3 0 3.40 v detection voltage 6 vbat 6 - h ?p ? ?\ 3.40 3.50 v detector - 2: data comparator c haracteristic s ymbol t est c ircuit t est c on dition m in t yp . m ax u nit duty ratio 1 duty 1 ?q vin (data comparator input) = 4 0mvrms, ? h?level, f = 500 khz 42 46 50 % duty ratio 2 duty 2 ?q vin (data comparator input) = 120mvrms, ? h?level, f = 500 khz 43 48.5 50 % output low level voltage v ol2 ?p i sink = 0.2 ma ?\ 0.1 0.5 v output leak current i leak 2 ?p h level ?\ 0 5 m a detector - 3: sig out c haracteristic s ymbol t est c ircuit t est c ondition m in t yp . m ax u nit output low level voltage vol3 ?p i sink = 0.2 ma ? 0.1 0.5 v out put leak current i leak 3 ?p h leve l ? 0 5 m a - pll (doubler type differential vco system with vari - cap) (unless otherwise specified, v cc = 3.6 v, ta = 25c) c haracteristic s ymbol t est c ircuit t est c ondition m in t yp . m ax u nit pll operating frequency f in ? ? ?\ 45 0 ?\ mhz xin operating fr equency fxi ?p vin = 280mvp - p 2 4 10 mhz xin input sensitivity vxih ?p fin = 4 mhz 200 280 ? ?? v p - p icp1 ? vcp = 1.8 v ? 400 ? ua charge pump output current icp2 ? vcp = 1.8 v ? 800 ? ua charge pump leak current i leak ?p ? ? 0 5 ua
tb3126 2 f 2001 - 12 - 26 16 (2) rx characteri stics - rf ( v cc = 3.6 v , ta = 25c , d f = 2 5 khz , fmod = 1 khz ) c haracteristic s ymbol t est c ircuit t est c ondition m in t yp . m ax u nit 12db sinad sensitivity 12db sinad ? lna matching input ?\ 2.5 ?\ d bu v emf lna ?{ mix gain ?f?? ? ?\ 27 ?\ if amp1 gain gif1 ? ? ?\ 24 ?\ db if amp2 gain gif2 ? ? ?\ 72 ?\ db demodulated output level v od ?q vin ( rf (dup) ) = 50 db m v emf 88 108 128 mvrms demodulated output level 2 ? v od ?q vin ( rf (dup) ) = 15 db m v emf ? vod ?? vod - 3db - 3 . 0 0 ?\ db s/n ratio sn ?q vin ( rf (dup) ) = 5 0 db m v emf with300 ?` 3khz filter 40 47.5 ?\ db am rejection ratio amr ? vin ( rf (dup) ) = 5 0db m v emf ?\ 40 ?\ db ifamp1 input resistance rif1in ? if1 - in ?\ 330 ?\ w ifamp1 output resistance rif1out ? if1 - out ?\ 330 ?\ w ifamp2 input resistance rifout ? if2 - in ?\ 330 ?\ w vrssi1 vin ( rf (dup) ) = 15 db m v emf 0.33 0. 63 0.93 v rssi outpu t voltage vrssi2 ?q vin ( rf (dup) ) = 5 0db m v emf 1.17 1. 47 1.77 v rx vco control voltage vcont rx ?q ?? =936.7mhz 0.7 1.0 1.3 v - af pre amp + expander + receiver amp characteristic symbol test circuit te st condition min typ. max unit exp out put reference level vrefe ?q v i p = - 2 0dbv pre - amp input resistance: 15 0k w - 14 . 0 - 10 . 0 - 6 . 0 d bv exp output deviation voe ?q vop = - 4 5dbv - 1 . 0 0. 0 + 1 . 0 d b total hormonic distortion thd r ?q rl = 150 w vri = - 15dbv ?\ 1 . 1 5 2.0 % output noise level vnor ?q input - gnd short ?\ - 90 - 6 5 dbv maximum output level dr ? thd = 3%, 150 w load ?\ 2.2 ?\ vp - p mute output level vmute ? ? ?\ - 70 ?\ dbv pre amp voltage gain setting range grng2 ? ? 0 ? 20 db receiver amp voltage gain setting range grng1 ? ? 6 ? 20 db offset voltage tof2 1 ro1 ro2 - 50 0 50 mv crosstalk ce ctce ? vim = - 10dbv ?\ - 6 5 ?\ db attack time t ae ? vip = - 18 ? - 12dbv ?\ 8.5 ?\ ms recovery time t re ? vip = - 12 ? - 18dbv ?\ 4.5 ?\ ms
tb3126 2 f 2001 - 12 - 26 17 (3) tx characteristics - rf ( v cc = 3.6 v , ta = 25c , d f = 2 5 khz , fmod = 1 khz ) characteristic symbol test circuit test condition min typ. max unit pa output level pa - out ?q after matching network vr = 20 k w 0 + 3.0 + 6 .0 dbm pa gain control pa - cont ?q vr = 100 k w , pa - out deviation - 9.0 - 6.5 - 4.0 db pa output impedance pa - r - out ? after matching network ?\ 50 ?\ w pa output capacitance pa - c - out ? after matching network ?\ 30 ?\ pf tx vco control voltage vcont tx ?q ?? =904mhz 0.4 0.7 1.0 v tx vco deviation ? f tx ?q filout= - 30dbv, ?? =904mhz ?} 25 ?} 30 ?} 35 khz tx vco distortion thd tx ?q filout= - 30dbv, ?? =904mhz ?\ 1.0 3.0 ?? - af (unless otherwise specified, v cc = 3.6 v, fin = 1 khz, ta = 25c) mic amp + compressor characteristic symbol test circuit test condition min typ. max unit comp out put r eference level vrefc ?q vom = - 10dbv - 11 . 5 - 10 . 0 - 8 . 5 dbv comp output deviation voc ?q vom = - 30dbv - 0. 7 0. 0 + 0.7 db mic amp voltage gain setting range vgr ? 0 ? 30 db total hormonic distortion thd c ?q vom = - 10dbv ? 0. 15 1.0 % output noise level v noc ?q input - gnd short ? - 61 - 48 dbv v lim1 comp out, vim = 0dbv ? 1.3 ? vp - p limitting level v lim2 ? mic out, vim = 0dbv ? 2.5 ? vp - p mute output level v mute ? ? - 8 0 - 90 ? dbv crosstalk ec ctec ? vip = - 10dbv ? - 50 .0 ? db attack time t ac ? vim = - 46 ? - 34dbv ? 3.5 ?\ ???r recovery time t rc ? vim = - 34 ? - 46dbv ? 5.0 ?\ ???r filter amp voltage gain g5 ? ? ? 0 ? db maximum output level dr5 ? thd = 3% ? 3 ? vp - p input bias current i bias ?p ? ? 1.5 2.5 m a o utput dc voltage v op ?p ? 0.7 1.0 1.3 v
tb3126 2 f 2001 - 12 - 26 18 test ci rcuit 1(dc) pre - in pa - gain - cont vcc1 if - amp2 (1 ? st) differential tx osc balanced connectable to mix af - out quad lna - e gnd1 40 41 42 43 44 45 46 47 49 51 52 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 1 2 3 4 5 6 7 8 9 10 11 12 13 rx - loop c - rect rx - vcc rxvco - l2 rxvco - l1 rx - gnd if - amp1 out vref if - amp2 in e - rect if - amp ref mix - out vcc3 data - out rssi clk data stb ref - in lna lna - c lna - b vcc2 data - in 20k 330k rece iver 1 receiver 2 quad 48 exp 50 soft volume (att) tx - mute if - amp2 (2 ? nd) 470k w 22pf pre - amp lpf:fc = 15khz pa - out1 pa - out2 pa - gnd spl out spl in comp out comp spl - amp tx - mute mic out mic in mic - amp divider phase compalator mod 450mhz 900mhz buffer doubler ( 2) freq txvco - l1 txvco - l2 tx - gnd tx - loop gnd2 data latch control c - np phase compalator divider 450mhzosc buffer 90 0mhz double ( 2) double balanced mix data - comp if - amp1 gv = 24db sig - out det coil if - amp2 gv = 72db differential tx osc 2.2 m 1k 2.2n 2.2n 4.7 m 0.1 m 2.2 m 0.1 m 100k 1 m 20k vr1 2.2 m 2.2 m 1 m 20k 2.2n 2.2n 20k pa - vcc exp - out 470k bias 1n a 20k 0.022 m 20k 0.1 m v 1k 100p 100p 100p 2.2 m 0.1 m v a vcc icc 1 ?` 5 , (a) , (bs) 0.1 m 0.1 m 0.1 m 0.1 m a v a v 0.1 m 100k if - amp1 in 1n 1n vbat 1 ?` 6 vol3 ileak 3 vol2 ileak2 a ileak i l e a k a ?? xi vx i h tof2 i bias v op
tb3126 2 f 2001 - 12 - 26 19 test circuit2(ac) pre - in pa - gain - cont t vcc1 if - amp2 (1 ? st) differential tx osc balanced connectable to mix 10.7mhz cf af - out quad lna - e gnd1 40 41 42 43 44 45 46 47 49 51 52 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 1 2 3 4 5 6 7 8 9 10 11 12 13 c - rect rx - vcc rx vco - l2 rxvco - l1 rx - gnd if - amp1 out vref if - amp2 in e - rect if - amp ref 10.7mhz cf g if - amp1 in mix - out vcc3 data - out rssi clk data stb ref - in lna lna - c lna - b vcc2 data - in 220k 330k receiver 1 receiver 2 quad 48 exp 50 soft volume (att) tx - mute if - amp2 (2 ? nd) 470k w 22pf pre - amp lpf:fc = 15khz pa - out1 pa - out2 pa - gnd spl out spl in comp out comp spl - amp tx - mute mic out mic in mic - amp divider phase compalator 220pf mod 450mhz 900mhz buffer dou bler ( 2) freq txvco - l1 txvco - l2 tx - gnd tx - loop gnd2 data latch control c - np phase compalator divider 450mhzosc buffer 900mhz double ( 2) double balanced mix data - comp if - amp1 gv = 24db sig - out 8.2k det coil if - amp2 gv = 72db differential tx osc 4.7n 2.2 m 2.2n 2.2n 4.7 m 0.1 m 2.2 m 10n 100n r9 r11 r7 100k 1 m 20k /100k vr1 2.2 m 20k 2.2n 2.2n 20k 3.3n 3.3n pa - vcc 3p 5p 1 m exp - out 10 m 100n 10 m 10 0n 3p bias 0.1 m v v v v 20k 0.1 m 20k 100p 0.1 m 2.2n v 100p 100p 100p 4.7 m 0.1 m 0.1 m 300~3k bpf v 150 100n 10 m v duty1,2 rssi 2.2 m 1 m 1k v vcont tx 150k 2.2 m 0.1 m a rx - loop 1k vcont rx vod ? vod sn v vrssi 1,2 vrefe voe vnor vrefc voc thd c vnoc thd r pa - out pa - cont ? f tx thd tx
tb3126 2 f 2001 - 12 - 26 20 s/n amr sinad vod,vrssi (condition:dup-in,vcc=3.6v) -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 vin(dbm) ??b 0 0.5 1 1.5 2 2.5 vrssi(v) s(0db) s/n sinad amr noise(dbv) vod(dbv) vrssi(v) rssi-comp sinad vrssi vod amr s/n noise vcc-icc characteristics 0.000 10.000 20.000 30.000 40.000 50.000 60.000 70.000 80.000 90.000 0 1 2 3 4 5 6 vcc(v) icc(v) icc(bs) icc1 icc4 icc5 icc2 icc3 icc(a) icc1 icc4 icc2 icc3 icc5 icc2 icc(bs)
tb3126 2 f 2001 - 12 - 26 21 compander characteristics?@(vcc=3.6v) -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 -70 -60 -50 -40 -30 -20 -10 0 10 input level(dbv)?@pre-in mic-in output level(dbv) 0 0.2 0.4 0.6 0.8 1 thd(%) comp exp comp-thd exp-thd expander frequency characteritics ( vcc=3.6v vprein=-35dbv soft-vol=0db) -75 -65 -55 -45 -35 -25 -15 100 1000 10000 100000 freq [hz] exp-out [dbv]
tb3126 2 f 2001 - 12 - 26 22 vcc- splout (dc bias) characteristics 0 0.2 0.4 0.6 0.8 1 1.2 0 1 2 3 4 5 6 vcc(v) vout?iv) splout v cc-vref characteristics 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 1 2 3 4 5 6 vcc(v) vout?iv) vref
tb3126 2 f 2001 - 12 - 26 23 ?s?w?u?b?n f-v characteritics(?u???????r?d?u?u) 420 430 440 450 460 470 480 490 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 ?u?s?w?b?o ?m?u?n ?-?u??g?? ?m?l?g???n rxvco f-v characteritics(vcc=3.6v) 420.0 430.0 440.0 450.0 460.0 470.0 480.0 490.0 500.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 vrxcp [v] osc frequency ?m?l?g???n
tb3126 2 f 2001 - 12 - 26 24 deviation characteritics 20 22 24 26 28 30 32 34 36 38 40 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 vcc ?m?u?n deviation ?m???g???n spl - out level - 30dbv
tb3126 2 f 2001 - 12 - 26 25 o utline d rawing
tb3126 2 f 2001 - 12 - 26 26 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitiv ity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system , and to avoid situations in which a malfunction or failur e of such toshiba product s could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products spec ifications. also, please keep in mind the precautions and conditions set forth in the ? handling guide for semiconductor devices, ? or ?toshiba semiconductor reliability h andbook? etc.. the products described in this document are subject to the foreign excha nge and foreign trade laws. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707eba_s restrictions on product use

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