|
Contents8 S' A9 S9 \& v. w
1 Introduction .................................................................................................................................. 3
- u Y2 Q2 c W1.1 Split Supply vs Single Supply.................................................................................................... 3
6 H. f3 s( c m0 G8 Q% A1.2 Virtual Ground.......................................................................................................................... 4
; u8 ?9 h+ f0 R: p1 N# l8 N1.3 AC-Coupling ............................................................................................................................. 4 \: q f! |% p" `; P
1.4 Combining Op-Amp Stages ...................................................................................................... 52 n* Q# U7 D' g1 Q; c* j( g
1.5 Selecting Resistor and Capacitor Values .................................................................................. 5
5 \+ E. f. g9 q8 U2 Basic Circuits ............................................................................................................................... 5% |, g$ _/ _0 d2 @
2.1 Gain......................................................................................................................................... 5
* u1 F/ X( p3 g. Q' z, }& R8 V! m0 j2.2 Attenuation ............................................................................................................................... 6, V/ w0 b% s8 j
2.3 Summing ................................................................................................................................. 9
/ s, a9 `& c- t/ C3 \- X1 P2.4 Difference Amplifier .................................................................................................................. 9' M1 R9 N, L) i* X6 Z, W9 F
2.5 Simulated Inductor.................................................................................................................... 9
: h+ U$ B' l$ [7 u5 q% Q+ z- V2.6 Instrumentation Amplifiers ...................................................................................................... 107 N- T" j2 @) W2 n$ e
3 Filter Circuits ............................................................................................................................... 12
( @( }# G! R7 j$ v, ?: Z3.1 Single Pole Circuits................................................................................................................. 13
; i4 C# y' a% N7 g. ] n3 D3.1.1 Low Pass Filter Circuits .............................................................................................................13
" m/ v* U9 i8 `3.1.2 High Pass Filter Circuits.............................................................................................................13 T* x7 A( b% S/ E) ^( F
3.1.3 All-Pass Filter ............................................................................................................................14# W7 s) _# y& `1 z R! ?0 X# j
3.2 Double-Pole Circuits ............................................................................................................... 152 }+ s3 ]% k/ R$ U
3.2.1 Sallen-Key................................................................................................................................15. R- K& p" i* ]1 c) Z! _+ `* F
3.2.2 Multiple Feedback (MFB)...........................................................................................................16$ M0 C5 h3 ?" y) f9 G
3.2.3 Twin T ......................................................................................................................................17
$ X+ A1 x m+ d8 h% l* _& G3.2.4 Fliege .......................................................................................................................................20' p! c+ }% Y6 i4 ?# M. l
3.2.5 Akerberg-Mossberg Filter ..........................................................................................................22
6 L& @$ f9 C$ j$ @3.2.6 BiQuad .....................................................................................................................................242 I% r7 l$ o4 X
3.2.7 State Variable...........................................................................................................................251 ~) r& A1 e7 O
4 References.................................................................................................................................. 25" y6 u5 |9 `& b$ E9 }' P
Appendix A – Standard Resistor and Capacitor Values ................................................................. 26# k* i" e4 r# L+ z# X! A
, g/ m5 Z* w# N5 m
5 F$ l! {4 q' u6 K* p' S
pdf 附件如後: 27頁1 Y) b' W, K- k5 E6 w6 H
: E3 w0 E8 b+ H
% Z4 M1 R9 f% W) g6 C
+ `2 x- |: S2 E( d. _
[ 本帖最後由 sjhor 於 2007-5-11 10:12 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
|