?a??????a CD8189CP ???a?????????a 1. ?????? 5 1 7 46 2 12 16 10 13 11 15 14 9 8 3 21 24 23 22 20 19 18 17 ch12 ch21 a/b vref1 ch22 alc ch11 iref vref2 - m/n + - + + - - + vcc CD8189CP ??????a?????????a ??????a??? ??????a ??????????a1? ????oa??????a1? ??e???3? ????3????????a1? ?o? alc ?a 1|??1??? v cc = 4~14.5v ae?? sdip24 2. 1|????y???? 2.1 1|??? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123-5542 ??? 0510 5803016 ? 1 3 12 7 3
?a??????a CD8189CP 2.2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 i n pre1 (a) pre ??? 1 ?? a 13 alc a l c ??3?y 2 i n pre1 (b) pre ??? 1 ?? b 1 4 i n rec2 rec ??? 2 ?? 3 n f ore1 pre ??? 1 ?? 1 5 f b rec2 rec ??? 2 ?? 4 o u t pre1 (m) pre ??? 1 ?3? m 1 6 o u t rec2 rec ??? 2 ?3? 5 o u t pre1 pre ??? 1 ?3? 1 7 s w cg ????3???a1? 6 o u t mix ???3? 1 8 v cc ?? 7 g n d ? 1 9 s w a/ b a/b a???a1? 8 sw m/n m / n ?3????? * 2 0 o u t pre2 pre ??? 2 ?3? 9 o u t rec1 rec ??? 1 ?3? 2 1 o u t pre2 (m) pre ??? 2 ?3? m 1 0 n f rec1 rec ??? 1 ?? 2 2 f b pre2 pre ??? 2 ?? 11 i n rec1 rec ??? 1 ?? 2 3 i n pre2 (b) pre ??? 2 ?? b 1 2 g n d ? 2 4 i n pre2 (a) pre ??? 2 ?? a m/n ?e?? / ?? 3. ??e? 3.1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ????1 v cc 1 4 . 5 v 1|o? p d 1 . 2 w 1??3?a? t am b -20 ~ 75 ???a? t stg - 5 5 ~ 1 5 0 25 ?? ?a???y?? 1 ???1|o??? 9.6 m w ? 2 3 12 7 3
?a??????a CD8189CP 3.2 ??e? 3y?e1?? t am b = 25 v cc =6v f=1khz 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ?2?? i ccq ?e????? rec on v in =0 1 3 2 0 m a ? ? ? ? ? ?3?????1 v no (pre) ????? , r g =2. 2 k nab eq bw=20hz~20khz 2 0 0 6 0 0 vr m s ??? thd (pre) ????? , v out=0.2v r m s r l =10k ,f=1khz 0 . 0 6 0 . 2 % ???3???1 v om (pre) ????? , thd=1.0% f=1khz 0 . 5 1 . 0 v r m s ?a???1??? a vo (pre) f=1khz r l =10k v i = -95dbm 7 0 9 5 d b ?? c.t .(ch) (pre) ????? ,v out =0dbm f=1khz, r g =2.2k 4 0 6 0 d b ?? a/b ?? c.t .(in) (pre) ????? , v out =0dbm f=1khz, r g =2.2k 6 6 d b ??2??? r.r (pre) ????? , v rip =0dbm r g =2.2k f rip =100hz 3 8 d b ??1??? g v (pre) ????? v in =-40dbm r l =10k , f=1khz nab 4 0 d b ??? ?? a?? ???? c.t . (p/r) ????? (pre), f=1khz v out (pre)=0dbm 5 3 d b a?? ?? ??? ???? c.t . (r/p) ????? (pre), f=1khz v out (rec)=0dbm 7 6 d b a? ? ? ? ? ?3?????1 v on (rec) r g =2.2k alc of f bw=20hz~20khz 1 . 3 5 2 . 7 m v ??? thd(rec) v out =0.5v r m s f=1khz alc of f r l =10k 0 . 3 7 1 . 0 % ???3???1 v om (rec) thd=1% r l =10k f=1khz alc of f 1 . 2 1 . 5 v r m s ?a???1??? a vo (rec) f=1khz r l =10k v in = -1 10db alc of f 8 0 1 0 8 d b ????1?????? r(alc) v in = -60dbv f=1khz 5 2 d b ??? (alc) thd(alc) v in =-20dbm f=1khz r l =10k , 0 . 4 8 1 . 0 % ????1??????oa b(alc) v in =-20dbm f=1khz r l =10k , 0 2 d b alc ??1 v(alc) v in =-20dbm f=1khz r l =10k , 0 . 7 5 1 . 0 1 . 2 v r m s ??2??? r.r.(rec) vr=0dbm f=100hz r g =2.2k 3 0 d b ??a ? 3 3 12 7 3
?a??????a CD8189CP e?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ??1??? a vn (rec) f=1khz (fla t) r l =10k v in = -60dbv 6 1 d b ?? (alc of f) c.t . (ch) v out =0dbm f=1khz r g =2.2k alc of f v in = -60dbv 4 0 5 4 d b ?? (alc on) c.t . (alc) v out =0dbm f=1khz rg=2.2k alc on v in = -60dbv 4 0 5 4 d b 4. 2a???a?2a??? 4 .1 2a???a 4.2 1??? ????? ????e?o?????a ?1? b ???? ?a???????12?y???o ?? ?????2??? ??1y??a?a???a???? ???? ???? 8 ?? 21 23 22 20 pre in ch2/a 1k 1 pre in ch1/b 1k 24 pre in ch2/b 1k 2 pre in ch1/a 1k 18 19 17 15 16 11 12 13 14 4 3 5 7 6 8 10 9 CD8189CP pre out ch2 pre out ch1 rec out ch1 rec in ch1 rec in ch2 rec out ch2 10k 3.3uf 100k 47uf 180k 0.018uf 9.1k 6.8k 100uf 2.2uf 3.3uf 180k 10k 300k 47uf 150 10000pf 3.3uf 2.2k 1m 47uf 1000pf 3.3uf 2.2k 300k 47uf 150k 180k 3.3uf 10k 10k 10k 3.3uf 6.8k 9.1k 180k 47uf 0.018uf 100 4 3 12 7 3
?a??????a CD8189CP 5. ?e???? ? 5 3 12 7 3 0 1 2 3 51 0 1 5 0 ?? vcc(v) ?? dc(v) 0 10 20 30 vin=0 iccq(normal) iccq(metal) rec out(dc) pre out(dc) ? iccq(ma) 0 0.4 0.8 1.2 iccq,vout - vcc 1.6 05 10 15 rec amp pre amp mix out(dul in) mix out(single in) ?? vcc(v) ? vom(v) f=1khz thd=1% vom - vcc 0.1 1 1 0 0.01 0.1 1 1khz 10khz f=100hz 0.1 1 1 0 0.1 1 10 f=100hz 1khz 10khz 0.1 1 1 0 0.1 1 10 f=100hz 1khz 10khz normal ? vout(v) ? thd(%) thd - vout(pre amp) ? vout(v) ? thd(%) thd - vout(mix out) ? vout(v) ? thd(%) thd - vout(rec amp) vout thd f=1khz dual in alc on ? vin(dbm) vout,thd - vin(rec amp) ? vout(v) ? thd(%) 0.1 1 10 -80 -60 -40 -20 0
?a??????a CD8189CP ? 6 3 12 7 3 100k 10k 1k 100 ? f (hz) 40 60 80 100 120 100k 10k 1k 100 ? f (hz) 20 40 60 80 100k 10k 1k 100 ? f (hz) 0 20 40 60 80 100k 10k 1k 100 ? f (hz) 20 40 60 80 100 100k 10k 1k 100 ? f (hz) 80 60 40 20 0 vout=0dbm ? gvo(db) gvo - f (pre amp) normal metal vin=-40dbm ? gv(db) gv - f (pre amp) vin=-40dbm ? gv(db) gv - f (mix out) vin=-40dbm gv - f (rec amp) ? gv(db) vrriple=0dbm rg=2.2k normal ?? r.r(db) r.r - f (pre amp)
?a??????a CD8189CP 6. |???a 7. ae?3?? 21 23 22 20 pre in ch2/a 1k 1 pre in ch1/b 1k 24 pre in ch2/b 1k 2 pre in ch1/a 1k 18 19 17 15 16 11 12 13 14 4 3 5 7 6 8 10 9 CD8189CP pre out ch2 pre out ch1 rec out ch1 rec in ch1 rec in ch2 rec out ch2 10k 3.3uf 100k 47uf 180k 0.018uf 9.1k 6.8k 100uf 2.2uf 3.3uf 180k 10k 300k 47uf 150 10000pf 3.3uf 2.2k 1m 47uf 1000pf 3.3uf 2.2k 300k 47uf 150k 180k 3.3uf 10k 10k 10k 3.3uf 6.8k 9.1k 180k 47uf 0.018uf 100 ? 7 3 12 7 3
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