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?a??????a CD4265GS 3.5w ??1|a???a 1. ?????? CD4265GS ?????1|a???a ???o???1|? ??????a a??a?t ?te???yo???y ?3?1|a? ?e? p o = 3.5w v cc = 16v r l = 8 thd = 10% 2??t? ??????????? ???a1? ? e? ?o?1y?P?1y?1??a ae?? fsip10 2. 1|????y???? 2. 1 1|??? 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 g n d ? 6 p h c o m ???213 2 o u t ?3? 7 p h c o m ???213 3 v cc ?? 8 c l d i o ???t??1 4 n c ??? 9 f e e d b ?o?? 5 d e c o ??? 1 0 i n ?? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123-5542 ??? 0510 5803016 ? 1 3 12 5 3 ??2??? ?? ??y? ?3? 1y?1? 1y? 2 1 7 6 9 10 8 5 3
?a??????a CD4265GS 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ? ?t ?? ? ? ? ?? ????1 v cc 2 5 v ???3????? i op-p 2 a 1|o? p d 100 120 1.5m m 3 an? 7 . 5 w 1??3?a? t am b - 2 0 ~ 7 5 ???a? t stg - 4 0 ~ 1 5 0 3. 2 ??e? 3y?a1?? t am b = 25 v cc = 16v r l = 8 f = 1khz r g = 600 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ? ?? ?2?? i ccq r g = 0 35 50 m a ??1??? a v 4 8 5 0 5 2 d b ??? t h d p o = 0 . 5 w 0 . 3 1 . 0 % ?3?????1 v no r g = 10k bpf=20hz~20khz 0 . 6 5 1 . 5 m v ?3?1|a p o t h d = 1 0 % 3 . 0 3 . 5 w ??2??? r.r r g = 0 f = 100hz v r = 0.5v 4 0 5 0 d b 3 . 2 ???1??t 2? y ?? 3? ? o? ?? ? ? ? ?? 1|????1?? v cc 9 ~ 24 v 1|??1 v cc 1 6 v ?o???1 r l 8 4. 2a???a ? 2 3 12 5 3 1 2 3 5 67 8 9 10 CD4265GS c1 c2 c3 c4 c5 c6 100 f /25v ++ 470 f /25v r1 r2 100k 3.3 8 470 f/16v 0.1 f 100 f 330pf r l vcc ?? + + * * ??????y /6.3v c ?3? ?a??????a CD4265GS 5. ?e???? ? 3 3 12 5 3 -20 0 20 40 60 80 100 120 140 160 0 1 2 3 4 5 6 7 8 ??3?a? tamb ( ) ?e1|o? p max (w) d p max ? ta d an? ?|?? 39n cm 1?1?? pn ?o??3??? j-c =10 /w ?t?t?n? 100 120 1.5mm 3 3 50 50 1.5mm ?tn? . 2 3 5 7 100 23 5 7 1000 2 3 5 7 10 2 3 5 n????y sf (cm ) n? f ( /w) f ? sf an? t=1.5mm 2 3 5 7 10 23 5 7 100 2 3 5 7 1.0 2 3 5 0.1 10 7 2 3 5 7 57 1.0 vcc=16v 14v 12v f=1khz r =8 l ????1 vi (mv) ?3?1|a po (w) po ? vi 2 3 5 7 1.0 23 5 7 2 3 5 7 2 3 5 23 5 7 0.1 0.1 1.0 7 10 ?3?1|a po w thd ? po e32?? thd % vcc=16v r =8 l f=10khz 100hz 1khz 0 1 2 3 4 5 6 23 5 7 2 3 57 2 3 5 7 2 35 7 100 1k 10k 100k ?a f hz po ? f ?3?1|a po w 0 1 2 3 4 5 6 7 8 04 8 12 16 20 24 ????1 vcc v ?3?1|a po w po ? vcc thd=10% 5% r =8 f=1khz l thd=10% 5% c4=1000 f 470 f vcc=16v r =8 l ?a??????a CD4265GS 6. |???a ? 4 3 12 5 3 -14 -12 -10 -8 -6 -4 -2 23 5 7 2 3 57 2 3 57 2 35 7 100 1k 10k 100k ?a f hz ?a?| ?a?| (db) vcc=16v r =8 l 0 2 23 57 2 3 5 7 2 3 57 0.1 1.0 10 3 5 7 1.0 2 3 5 ?3?1|a po (w) 1|o? pd (w) pd ? po vcc=22v 20v 18v 16v 14v r =8 f=1khz l c2=220 f 100 f 47 f 2 3 5 7 1.0 23 5 2 3 5 7 2 3 5 23 5 7 0.1 0.1 1.0 7 10 ?3?1|a po w icc ? po ? icc a vcc=16v r =8 l 04 8 1 2 1 6 2 0 2 4 2 8 3 2 36 0 10 20 30 40 ????1 vcc v ????1 vpin v vpin ? vcc y?? 5 y?? 2 ? 6 y?? 7 ? 9 y?? 6 1 2 3 5 67 8 9 10 CD4265GS c2 c3 c4 c5 c6 100 f /25v ++ 470 f /25v vr r2 30k 3.3 8 470 f/16v 0.1 f 100 f r l vcc ?? + + * * ??????y /6.3v c ?a??????a CD4265GS 7. ae?3?? ? 5 3 12 5 3 |
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