TAN-326 2002-02-14 1 tentative data audio ic application circuit TAN-326 example of 3-v fm radio circuit ta2111fn + tc9418fn compact module 1. outline this is an application example of a compact fm radio circuit targeting such products as mobile phones, portable terminals, notebook pcs, and mp3 players. the ta2111fn is a 24-pin ic incorporating an fm front-end, fm if amp detector, and stereo decoder. the tc9418fn is a 3-v pll ic which can handle input of up to 230 mhz. 2. ratings characteristic rating unit supply voltage 3 v current dissipation (quiescent) 21 ma signal frequency range 87.5~108 mhz intermediate frequency 10.7 mhz sensitivity 14 (s/n 30db) db v emf 3. usage precautions 1) software specifications at normal reception, set out-4 to low output. at if count (seek), set out-4 to hz output. v t fm f/e if, det stereo r pll vco if l gnd bus v t v cc ta2111fn tc9418fn preliminar y
TAN-326 2002-02-14 2 example of 3-v fm radio circuit vtune power supply 3 v-b 330 13 14 15 16 17 18 19 20 21 22 12 11 10 9 8 7 6 5 4 3 23 24 2 1 r-out quod l-out stled lpf1 tuled lpf2 gnd mpxin fmif deto amif afc v cc amosc agc fmosc mixout rfvcc amlcut fmrfout rfgnd amrf frfin bpf gnd3 l-ch 3 v-a 1 k ta2111fn xin inh xout do1 vxt do2 dout v dd din amin ck fmin ce gnd test ifin i/o-1 out-4 i/o-2 out-3 i/o-3 out-2 i/o-4 out-1 12 13 2.2 k 22 pf 75 khz 2.2 k 2.2 k 1 2 3 4 5 6 7 8 9 10 24 23 22 21 20 19 18 17 16 15 tc9418fn 11 14 22 pf 0.47 f 2.2 k dout din c k ce 1 k 1000 pf 2sc2712 1 k 10 f 0 jp jumper 10 f 3.3 k 0.033 f 0.01 f 2sc2714 47 k 47 pf 2.2 k 0.033 f 0.015 f 4.7 f r-ch 4.7 f 0.015 f cdacv 10m7ga 077-r0 sfecs10m7 fa00-r0 0.01 f gnd1 ant. 0.022 f 0.033 f p657an-1606 6 pf 15 k 2700 pf kv1770 1000 pf 2700 pf 15 k 0.033 f p657an-1607bit 3 pf 15 k 2700 p f kv1770 6800 pf 2700 pf 15 k 330 pf 4.7 f 0.1 f 0.022 f 3.3 k 0.1 f 2700 pf 10 pf 51 k 8 pf 2sc2714 0.01 f 510 15 pf 10 k gnd2 gfmb1 0.01 f r8 jp2 c6 c32 c33 r6 r7 tr1 tr2 c5 c3 c4 c1 c2 c34 x1 r1 r2 r3 r4 r5 tr3 r10 r11 c7 c29 c31 c30 c28 ft3 r18 c27 c26 ft2 ft1 r13 c10 c11 c12 c35 c13 c14 c37 r19 c8 tr4 r12 c36 c9 l1 c17 c15 r14 d2 c19 r15 c18 c16 l2 c20 r16 d1 r17 c23 c24 c22 c25 c21 r9 p657an-1606 : p657an-1607bit : toko, inc. kv1770 : cdacv10m7ga077-r0 : sfecs10m7fa00-r0 : murata co., ltd.
TAN-326 2002-02-14 3 coil specifications turns no. stage f (hz) l ( h) c o (pf) q o 1-2 2-3 1-3 4-6 wire note l1 fm rf 100 m 80 31.5 64 3 p657an-1606 (red) l2 fm osc 100 m 68 37 64 3 p657an-1607bit (black) (t) : toko, inc pin connection (bottom view) parts list no. symbol parts name no. symbol parts name 1 ic1 ta2111fn 23 r14, 15, 16, 17 erj2gej153x 2 ic2 tc9418fn 24 r19 erj2gej511x 3 ft2 sfecs10m7fa00-r0 25 jp, jp2 erj2ge0r00x 4 ft3 cdacv10m7ga077-r0 26 c3, 18, 23, 27 cm05y5v333z16at 5 tr2 2sc2712grte85r 27 c4, 6, 8, 26 cm05w5r103k16at 6 r18 erj2gej331x 28 c5, 24 cm05w5r102k50at 7 c1, 2 cm05ch220j50at 29 c7 cm05ch470j50at 8 c32 tmcmb1c106mtr 30 c9 cm05ch100d50at 9 l1 5cbm p657an-1607bit 31 c10, 12 cm05y5v104z16at 10 l2 5cbm p657an-1606 32 c11, 25 cm05y5v223z25at 11 d1 kv1770 33 c13 cm05w5r331k50at 12 x1 dt-261 75 khz 34 c14, 16, 17, 21, 22 cm05w5r272k50at 13 ft1 gfmb1 35 c15 cm05ch030c50at 14 tr1 2sc2712grte85r 36 c19 cm05w5r682k25at 15 tr3, 4 2sc2714ytr85r 37 c20 cm05ch060d50at 16 d2 kv1770 38 c28, 29 cm05w5r153k16at 17 r1 erj2gej103x 39 c36 cm05ch080d50at 18 r2, 3, 4, 5, 11 erj2gej222x 40 c37 cm05ch150j50at 19 r6, 7, 9 erj2gej102x 41 c30, 31, 35 tmcma1c475mtr 20 r8, 13 erj2gej332x 42 c33 tmcmb1c106mtr 21 r10 erj2gej473x 43 c34 tmcma1e474mtr 22 r12 erj2gej513x note: chip c and r can change to other company?s similarity products. l1, l2
TAN-326 2002-02-14 4 printed circuit board pattern examples this module consists of a four-layer pcb. the patterns for the first and the fourth layers are shown below as examples. component-mounting surface ic-mounting surface chip-mounting surface pattern layout ic-mounting surface chip-mounting surface
TAN-326 2002-02-14 5 separation (db) output level (db) output level (db) thd (%) detuning frequency f (khz) v od , thd ? f level (db) signal frequency (mhz) sensitivity, image ratio ? frequency usable sensitivity, limiting sensitivity (db v emf) image ratio (db) thd (%) input signal level vin (db v emf) output, amr, noise, thd ? vin output level (db) thd (%) input signal level vin (db v emf) output, amr, noise, thd ? vin thd (%) input signal level vin (db v emf) output, amr, noise, thd ? vin thd (%) f m (hz) response, separation, thd ? f m response (db) 0db 265 mvrms (l, rch) 30 400 1.0 300 200 100 98 mhz 100 200 300 400 20 10 0 2.0 3.0 4.0 22.5 khz 75 khz v cc 3 v f m 400 hz 0db 80 mvrms v in 60db v emf 0 86 90 94 98 102 106 108 10 20 30 40 limiting sensitivity ( 3db) usable sensitivity (s/n 30db) v cc 3 v mod 22.5 khz f m 400 hz bw 400 hz~30 khz image ratio (v o 20 mvrms) 80 20 0 20 40 60 80 100 120 60 40 20 0 thd 22.5 khz signal amr mod 30% f m 400 hz 75 khz noise (400 hz~30 khz) ~30 khz v cc 3 v f m 400 hz v t 1.79 v 0db 80 mvrms 98 mhz 22.5 khz bw 400 hz~30 khz i cc 23 ma 1 2 3 4 80 20 0 20 40 60 80 100 120 60 40 20 0 thd signal amr mod 30% f m 400 hz 75 khz noise (400 hz ~30 khz) ~30 khz v cc 3 v f m 400 hz v t 1.03 v 0db 80 mvrms 87.5 mhz 22.5 khz bw 400 hz~30 khz i cc 24 ma 22.5 khz 1 2 3 4 80 20 0 20 40 60 80 100 120 60 40 20 0 thd 22.5 khz amr mod 30% f m 400 hz 75 khz v cc 3 v f m 400 hz v t 2.39 v 0db 80 mvrms 108 mhz 22.5 khz bw 400 hz~30 khz signal i cc 23 ma noise (400 hz ~30 khz) ~30 khz 1 2 3 4 30 20 10 0 10 20 1 40 100 200 400 1 k 2 k 4 k 10 k 2 3 4 5 20 30 40 50 thd separation response v cc 3 v, f m ext v in 60db v emf 98 mhz 75 khz 0.022 f 0.1 f 3.3 k v cc 0.1 f lpf constant : lch, l r : rch, r l 20 k
TAN-326 2002-02-14 6 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 sensitivity 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 failure of such toshiba products 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 specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the products described in this document are subject to the foreign exchange 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. 000707eb a restrictions on product use
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