g??a c d 2 0 2 5 h c po?^?uf g??a c d 2 0 2 5 h c po?^?uf ?a??????a CD2025HCP 2.3w 2 ?????1|a???a 1. ?????? cd20 25 hcp ? ???? ?? ?1|a? ?? a ? e? ????? e? r?? a?? ?e1|a ?? ??????a ?1?????? btl ?? a??a?t ????1??? v cc = 3~15v ??????? ?a? ? e? ????1ya???? ????? 45db ???1y??a ae?? dip16/hdip14 2. 1|????y???? 2. 1 1|??? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807228-5542 ??? 0510 5800864 ? 1 3 12 4 3 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 50 50 10k 10k 5k 50 a1 a2 + a1 - - + a2 ?? ??? ?a ? ?a
?a??????a cd2025cp 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 b r i d g e btl ???3? 9 g n d s ???? 2 o u t 2 ?3? 2 1 0 i n 1 ???? 1 3 b s 2 ?? 2 11 f b 1 ?? 1 4 g n d 2 ?3?? 2 1 2 g n d 1 ?3?? 1 5 g n d 2 ?3?? 2 1 3 g n d 1 ?3?? 1 6 f b 2 ?? 2 1 4 b s 1 ?? 1 7 i n 2 ???? 2 1 5 o u t 1 ?3? 1 8 r . r ??2??? 1 6 v cc ?? 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ????1 v cc 15 v ?3????? i o 1.5 a 1|o? ( ) p d 2.0 w ??a t j 150 ???a? t stg -40 ~ 150 2?? 5cm 2 35um -?????? 3. 2 ??e? 3y?e1?? t am b = 25 v cc =9v ??? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ?2?? i ccq 4 0 5 0 m a ????1 v cc 3 1 2 v ?2??3???1 v oq 4 . 5 v ???1 4 3 4 5 4 7 ??1??? a v btl ??1 4 9 5 1 5 3 db ??1???2? a v 1 db ???1 r i 3 0 k v cc =9v , r l = 4 , f=1khz , p o =250m w ??? 0 . 3 1 . 5 e32?? thd b t l 0 . 5 % ??2??? r.r r g =0 a v =45db v i =150m v f=100hz 4 0 4 6 d b v =200, bw=20hz~20khz r g = 0 1 . 5 3 ??????1 ni r g =10k 3 6 mv ?? ct r g =10k , f=1khz r l = 4 , p o =1w 4 0 5 2 d b ??a ? 2 3 12 4 3
?a??????a cd2025cp e?? 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? f=1khz thd=10% v cc /r l 9v / 4 1 . 7 2 . 3 9v / 8 1 . 3 6v/ 4 0 . 7 1 . 0 6v/ 8 0 . 6 ?? ? 3v/ 4 0 . 1 9v / 8 4 . 7 ?3?1|a p o btl 6v/ 4 2 . 8 w 4. 2a???a 4. 1 ???1|a??|?2a???a 4. 2 btl 1|a??|?2a???a ? 3 3 12 4 3 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 100uf 100uf 100uf 100uf 100uf 0. 15uf 100uf 0. 22uf 0. 15uf in 1 + + + + + + vc c 0. 22uf in 2 470uf 470uf + + r l r l 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 100uf 100uf 100uf 100uf 100uf 0. 15uf 100uf 0. 22uf 0. 15uf r in + + + + + + vc c l
?a??????a cd2025cp 5. ?e???? 6. ae?3?? 6. 1 hdip14 a 3691 2 1 5 20 30 40 50 10 3691 2 2 4 6 8 0 0 0.2 0.4 0.6 0.8 1 10 0.1 1 3 5 7 36 91 2 1 5 0.5 1.5 2.5 3.5 0 1 1 2 3 ??? ?1 vcc -- (v) 1 ?? thd -- ( % ) th d -- p o (f =1 kh z, vc c= 6v ) r? r? r? r? ?3?1| a po (w) po - - vc c (t hd =1 0% ,f =1 kh z) ??? icc -- (ma) ic c -- v c c (r = 4 l ?3?? ?1 vo - - (v) vo - - vc c r =16 l r =4 l r =8 l r =4 l r =8 l r =16 l ??? ?1 vcc -- (v) ??? ?1 vcc -- (v) ?3?1| a po (w) 1 5 ? 4 3 12 4 3
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