?a??????a CF741CP ???????a 1. ?????? cf74 1cp ? ?????? ? ?????? ?? ?a ?????? ????? e? 2????21 3 ???? ?? ? ???1? ?? ?????? ?t?a 1 ? ? a ??1?o ? 3? ?? 3? 3y ?y? ?? ?? y ????? 2? ?e?o? l ?? ?? ??? ?? a?2? ?a ?? ??? ??? ??e ??????a ?2??o????213??ao1y????a a??a?t ??o??e? icc=1.7m a ?e? , r l = ????a?? ????? 1|o?e? ae?? dip8 2. 1|????y???? 2. 1 1|??? 2. 2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 o a 1 ?? 1 5 o a 2 ?? 2 2 i n - ??? 6 o u t ?3? 3 i n + ???? 7 v cc ?y?? 4 v ee ?o?? 8 n c ???? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123-5506 ??? 0510 5803016 ? 1 3 12 6 3 4 3 2 1 5 6 7 8
?a??????a CF741CP 3. ??e? 3. 1 ???t2?y 3y?e1?? t am b = 25 2? y ?? 3? ? o? ? ?t ?? ? ? ? ?? ????1 v cc 9 ~ 18 v ??2???????1 v idm 30 v 12??????1?? v icr 15 v 1|o? p d 3 1 0 m w 1??3?a? t am b 0 ~ 70 ???a? t stg -55 ~ 125 3. 2 ???1??t ? ?? ? 2? y ?? 3? ? o? ? ?? ? ?t ?e? ?e ?? ? ?? ????1 v cc 15 v ??? r z 1 0 k 3. 3 ??e? 3y?e1?? t am b = 25 v cc =xxv 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ?2?? i ccq r l = ,v i =0 1 . 7 2 . 8 m a ???|??1 v io v i =0, v o =0,r s =10k 2 . 0 6 . 0 m v ???|? i io v i =0, v o = 0 2 0 2 0 0 n a ??????? i ib v i =0, v o = 0 8 0 5 0 0 n a 12??????1 ?? v icr k cmr =70db 12 13 v 12????? k cmr vi = 10v r s 10k 7 0 9 0 d b ??1???y a v r l =2k v o = 10v 2 0 2 0 0 v/m v ?|????? v ior r n =10k 15 m v ?? ??1 ? ? ? ?? k svr 3 0 1 5 0 v/v v s = 15v r l =10k 12 14 ?3?? ???1 v o(p-p) v s = 15v r l =2k 10 13 v ?3??a? i os 2 5 m a ?3?? r os ?a? 7 5 t r ?y?? ,a v =1,v i =20m v r l =2k c l 100pf 0 . 3 s ?2??| k ov 1y3??? ,a v =1,v i =20m v r l =2k c l 100pf 5 . 0 % a???a s r a v =1, r l =2k 0 . 5 v/ s ? 2 3 12 6 3
?a??????a CF741CP 4. 2a???a ? 3 3 12 6 3 - + 10k 10k 50 50 20k 20k r - + c2* c1* sw2 sw1 sw3 ec e v+ v- v f k l v vcc ee vcc=15v v =-15v v+=15v v-=-15v ee dut op.amp - + v vcc ee dut - + v vcc ee dut - + v vcc ee dut - + v vcc ee dut vin+ vin- r sw1 l sw2 a vo vin+ vin- 200 2k vo a r l vo v ,i ,i , av , k , k io io ib cmr svr vo p-p v icr icc sr ios
?a??????a CF741CP 5. ?e???? ? 4 3 12 6 3 100 1k 10k 100k 1m 0 4 8 12 16 20 24 28 32 vo p-p - f ?3?? - ???1 vo p-p v ?a f hz 36 icc - ta 0 1 2 - 2 0 0 2 0 4 06 08 0 ??3?a? ta ??? icc ma vcc=15v v =-15v i - ta 0 60 100 - 2 0 0 2 0 4 06 08 0 ??3?a? ta ??????? i na vcc=15v v =-15v ib ib ee ee 20 40 80 120 vo p-p - vcc v 10 20 40 0 10 20 rl 2k ee ????1 vcc,v v ee ?3?? - ???1 vo p-p v 0 10 20 ????1 vcc,v v ee 0 10 20 ????1 vcc,v v ee icc - vcc v e e p - vcc v e e d 0 1 2 ??? icc ma 0 50 100 1|o? p mw d avo - vcc 70 80 75 ?a???1??? avo db 0 4 8 1 21 62 0 85 95 90 100 ????1 vcc v 105 ta=25 0.5 0 1.0 1.5 2.0 0 4 8 12 16 20 24 28 2.5 vo - t ?3???1 vo mv ?? t s 10% 90% ?y?? vcc=15v ta=25 rl=2k cl=100pf
?a??????a CF741CP 6. |???a ? 5 3 12 6 3 + - r1 rf vi vo vo=-virf/r1 ???? + - vo vo=vi ??1???? vi vcc -v ee CF741CP CF741CP p - ta d 0 200 100 ?e1|o? p mw d 25 45 65 85 105 125 ??3?a? ta 300 500 400 600
?a??????a CF741CP 7. ae?3?? + - r1 r3 vi vo ?a?2? c2 c1 r2 CF741CP ? 6 3 12 6 3
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