|
Analysis and Research of CMOS Chopper Stabilized Amplifiers- ]/ c- g; T* \$ l2 q$ v
YANGYin-tang ,HEBin ,ZHU Zhang-ming) D$ w9 R4 ^2 U9 ?
(Microelectronics Institute ,Xidian University ,Xi’an 7 1 00 7 1 ,China)3 C6 E2 Q2 _# j7 _$ z" ?
Abstract :This paper introduces the differences of several offset canceling techniques .Thenmodulation+ Z7 \# ~4 \3 t3 d$ L$ p! C
principal of chopper stabilized amplifiers and the effects on their gains of the chopper frequency and the
) f: ^* ~* n: q( A9 }phase shift are detailed .The values ofmodulated noise and offset are analyzed and implementation of' p+ \) Y, w/ e6 Q( {; G6 d' B
the chopper modulators given .Several techniques to reduce the residual offset are proposed .At last ,
) w, {4 i. m3 L6 ^5 \0 }4 @; esome latest research findings and some new products utilizing chopper stabilization technique are given9 ?0 o6 n' F! c+ m1 q. Q/ B1 F% c$ S4 a
.Also some of the flaws and advantages of chopper stabilization technique and application fields of
4 T' G" v0 C* R$ O* xchopper stabilized amplifiers are stated .7 L" Z% q/ [. D
7 K Z/ D9 N3 H6 Y1 J6 T9 y% g
回覆後 可以下載PDF附件 權限10 & 2RDB
( b! Q1 l$ @7 n4 y4 d$ L" |; \
/ ]8 \4 }4 w" @, r, s/ f) @; h E' b+ K* V: b, N. f
[ 本帖最後由 sjhor 於 2007-5-19 05:11 PM 編輯 ] |
本帖子中包含更多資源
您需要 登錄 才可以下載或查看,沒有帳號?申請會員
x
評分
-
查看全部評分
|