TAN-322 2002-02-14 1 audio ic application circuit TAN-322 application circuit example for 3-band (fm, mw and lw) 5-v tuner ta2099n + tc9256p 1. outline the above is an application circuit example for a 3-band (fm, mw and lw) 5-v tuner. the circuit is comprised of a tffj4e567a tuner pack for f/e (by alps electric co. ltd.), a single-chip ta2099n featuring fmif, mpx and am, and a tc9256p as the pll block. 2. ratings rating characteristics fm mw lw power supply voltage 5 v signal frequency range 87.5~108 mhz 522~1620 khz 153~281 khz intermediate frequency 10.7 mhz 450 khz sensitivity 14 db v emf (s/n 30 db) 35 db v/m (v o 20 mvrms) 39 db v/m (v o 20 mvrms) 19 khz lpf fm if am mpx ta2099n l r pll f/e tuner p ack tc9256p loop antenna
TAN-322 2002-02-14 2 3. points to note 1) mw/lw switching circuit this circuit is used to allow switching between mw and lw. the coil used in this circuit is a rbq07vb by toko inc. matsushita electric industrial co. ltd. permit the use of this circuit on condition that it incorporates a rbq07vb. patent issued number 1468083 (japan) patent laid open number 85-194836 (japan) patent laid open number 86-156927 (japan) it is recommended that the rbq07vb-484bfr-024 be used as the board for this application. 2) fm f/e tuner pack: tffj4e567a the tuner pack is made by alps electric co. ltd. for details of this product, please contact the company directly. operating conditions parameter symbol rating unit receiving frequency f r 87.5~108 mhz intermediate frequency f zf 10.7 mhz v cc 9 supply voltage v t 1.5~8.5 v input impedance (unbalanced) z in 75 output impedance (unbalanced) z out 300 electrical characteristics characteristics symbol test condition min typ. max unit power gain 18 24 30 db 50 db s/n sensitivity f r 98 mhz, f m 1 khz, f 75 khz 22 28 db/ v image block ratio f r 108 mhz 75 80 db output voltage for local oscillator 40 90 mv rms rbq07vb 6 5 4 1 2 3 mw ant l4 lw ant l3 6 4 1 2 3 1 22 vstb 0.047 f 1 k 6 4 1 2 3 l2 mw osc 3 2 1 4 5 6 l1 lw osc 4 56 am osc 22 vstb 2sc2458 2.2 k v cc 1.2 k 1.2 k 2sc2458 2sc2458 am rf loop antenna lpa-028-01 lw h mw l v t 1.8 k
TAN-322 2002-02-14 3 3) pin lever setting for each function switch of tc9256p 4.5 mhz on an if request, i/o-6 (13-pin) is set to h. if in 1 is the if input pin. 1) ot-1 (6 pin) mw l, lw h 2) ot-2 (7 pin) fm l, mw/lw open 3) ot-3 (8 pin) stereo l, mono h 4) do: do1 (15 pin) is used.
TAN-322 2002-02-14 4 ta2099n tc9256p f/e pack application 0.01 f 22 f 680 ant nc gnd v cc v t osc gnd ifout 8 7 6 5 4 3 2 1 f/e pack tffj4e567a fm ant fm gnd am gnd am ant lpa-028-01 0.022 f 10 f 0.022 f 330 330 390 k 47 330 2sc2458 0.01 f 1000 pf rbq07vb-484bfr-024 1 2 3 4 5 6 7 8 9 10 24 23 22 21 20 19 18 17 16 15 11 12 14 13 amrf fmif fmbw mixout vlsen vstb amosc amif osco quod v cc fmout agc amout gnd detin ifo lpf1 tunl lpf2 stled brend rout lout ta2099n 56 22 k 1 f xt do 2 xtn do 1 peri if clck data gnd ot-1 fmvco ot-2 amvco ot-3 v dd i/o-6 if req: h tc9256p 1 2 3 4 5 6 7 8 12 11 10 9 16 15 14 13 fm vco a m vco do 1 do 2 if if req 2.2 k 1 k 2sc2668 82 100 k 330 0.01 f fm: l/mw, lw: open mono: h mw: l/lw: h 2.2 k 2.2 k 2.2 k 10 k 10 k 91 pf 91 pf 91 pf hc-49 /u-s 4.5 mhz 30 pf 30 pf 560 0.01 f 0.047 f 2sc2458 1.2 k 2.2 k 1.2 k 1000 pf 100 f 3.3 k 390 3.3 f 2.2 k 4.7 k 1 k 0.047 f 10 f 1.2 k 0.01 f 3.3 k 0.01 f 100 f 22 f 1 k pcfaz-098 10 k 10 k data period clock tune sig. stereo sig. 5.1 k 0.015 f 1000 pf 2.2 k 7pab 686ais-1047 4700 pf 2.2 k rn2207 47 k 10 k 200 k 2.2 k 2.2 k 2.2 k gnd 5 v 9 v r-out l-out cda10.7mg82 100 pf 4.7 f 220 f 2.2 k 82 k 10 f 22 k 10 f 22 k 1 f 2.2 k 0.47 f 0.1 f 22 k 5.1 k 0.015 f 1000 pf 2.2 k 82 k 2.2 k 7pab 686ais-1047 2.2 k 4.7 f 390 22 k 4700 pf 390 22 k 910 2sc2458 1000 pf 0.01 f 100 k 1.8 k 10 pf 2sc2458 18 k 2sc2458 2sc2458 4.7 f 2sc2458 910 330 h 4.7 f 10 k 330 h 10 2sc2458 interface for dts 2sc2458 0.01 f 22 sfe10.7ma5 sfe10.7ma5 2sc2458 2
TAN-322 2002-02-14 5 3-band ta2099n (fm, mw and lw) turns no. stage f (hz) l ( h) c (pf) q 1-2 2-3 1-3 1-4 4-6 wire (mm) note l1 loop antenna 1m 11.0 50 (min) 5 lpa-s028-01@t lw osc (orange) l1 796k 312.0 83 82 pf 270 pf 35 (4-5) 105? (6-1) 0.055 3uew mw osc (red) l2 796k 117.0 85 (min) 20 60? (3-4) 430 pf 0.09 2uew lw rf (black) l3 252k 7500 60 (min) 363 17 380 105 0.06 3uew l2 mw rf (black) l4 796k 390.0 130 (min) 108 24 (4-5) 17? (3-6) 0.08 2muew rbq07vb 484bfr-024@t l4 fm det coil 10.7m 51 45 30 0.08 2uew 600beas-10018 z@t (underside) t: toko, inc no. stage center frequency (fo) 6 db bandwidth selectivity ( 9 khz) ripple in 6 db band note t 1 am ift filter 450.0 1.2 khz 5 khz (min) 16 db (min) 0.8 db (max) pcfaz-098@t no. stage 15 khz att 19 khz att 38 khz att note (a type) 3 db (max) 27 db (min) 25 db (min) l1 (b type) 4 db (max) 25 db (min) 23 db (min) 686ais-1047@t (a type) 3 db (max) 27 db (min) 25 db (min) l3 19 khz lpf l2 (b type) 4 db (max) 25 db (min) 23 db (min) 253aggs-1377@t (underside) t: toko, inc quod 20 3 1 4 6 2 10 pf l4 (when phase detection coil is used) l2 please refer to page 2. t 1 3 1 4 8 2 filter out r i 5 7 6 filter in r o l3 (l1) 3 1 4 6 2 4700 pf r i r o r i 1.2 k r o 2.2 k (l2) 3 1 4 6 2 r i r o r i r o 2.7 k
TAN-322 2002-02-14 6 example of printed circuit board pattern ta2099n tc9256p tuner pack
TAN-322 2002-02-14 7 output level (db) thd (%) input signal level vin (db v, e mf) fm output ? vin output level (db) signal frequency f r (mhz) fm sensitivity, im rej ? f s sensitivity (db v emf) image ratio (db) detuning frequency f (khz) fm output ? f v dd (db) thd (%) equivalent electrical field intensity efi (db v/m) mw output ? vin signal frequency f r (khz) mw maximum sensitivity ? s/n maximum sensitivity (db /m) s/n (db) 10 20 30 40 50 600 800 1000 1200 1400 1600 mod 30% f m 400 hz maximum sensitivity ( v o 20 mvrms ) 400 1800 2000 s/n (60 db/m) 10 20 70 80 108 106 102 98 94 91 87.5 image (output from pcb 150 mvrms) mod 22.5 khz f m 400 hz 25 sensitivity (s/n 30 db) lim. sens (0 db at 60 db v emf) thd (%) f r 98 mhz fin 60 db v emf 0 db 195mv rms mod 22.5 khz f m 400 hz 400 300 200 300 400 200 100 0 100 7.5 khz 22.5 khz 22.5 khz 0 40 30 20 10 0 1 2 3 4 140 70 20 60 50 40 30 20 10 0 10 0 20 40 100 80 60 80 120 98 mhz 22.5 khz f m 400 hz bw 400 hz~30 khz thd 22.5 khz 0 db 195 mv thd 7.5 khz amr mdo 30% f m 400 hz 1 2 3 4 5 6 7 8 80 20 70 60 50 40 30 20 10 0 10 0 20 100 120 140 40 60 80 thd mod 30% 0 db 177 mv 999 khz mod 30% f m 400 hz bw 400 hz~30 khz thd mod 80% 1 2 3 4 5 6 7 8
TAN-322 2002-02-14 8 thd (%) equivalent electrical field intensity efi (db v/m) lw output ? vin output level (db) signal frequency f r (khz) lw maximum sensitivity ? s/n maximum sensitivity (db /m) s/n (db) 80 20 70 60 50 40 30 20 10 0 10 0 20 100 120 140 40 60 80 thd mod 80% 0 db 153 mv thd mod 30% 220 khz mod 30% f m 400 hz bw 400 hz~30 khz 1 2 3 4 5 6 7 8 9 300 10 20 30 40 50 160 180 200 220 240 260 maximum sensitivity (v o 20 mvrms) s/n 1.5 db 280 153 s/n (60 db/m)
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