A Single-Supply Op-Amp Circuit Collection[TI教材]

sjhor

Contents
1 Introduction .................................................................................................................................. 3
. G7 j2 d" [* @8 a, y2 q- j; l* d1.1 Split Supply vs Single Supply.................................................................................................... 3
1.2 Virtual Ground.......................................................................................................................... 4
# ]; o5 ]. D# Q  q+ t1.3 AC-Coupling ............................................................................................................................. 4
1.4 Combining Op-Amp Stages ...................................................................................................... 5
9 @' H+ K3 W9 O9 e1.5 Selecting Resistor and Capacitor Values .................................................................................. 5
2 Basic Circuits ............................................................................................................................... 5
2.1 Gain......................................................................................................................................... 5
2.2 Attenuation ............................................................................................................................... 6
2.3 Summing ................................................................................................................................. 9
6 M9 ?8 Z' B1 @/ V) L4 ]2.4 Difference Amplifier .................................................................................................................. 9
0 R. M) d) m7 _6 S2.5 Simulated Inductor.................................................................................................................... 9
7 d7 G! ^+ E: }: \& A& z2.6 Instrumentation Amplifiers ...................................................................................................... 10
% [* n3 d. l6 C: t8 _1 B) U- N4 n" r3 Filter Circuits ............................................................................................................................... 12
0 x, H& ]! w. M# l3.1 Single Pole Circuits................................................................................................................. 13
: Q3 X- o( l% e- I# H; H8 ], j3.1.1 Low Pass Filter Circuits .............................................................................................................13
3.1.2 High Pass Filter Circuits.............................................................................................................13
) Q1 V. c4 B/ C0 h! W- @& K$ O1 B5 \3.1.3 All-Pass Filter ............................................................................................................................14
7 u+ h" ?' y3 ~6 J  y0 @; L' l3.2 Double-Pole Circuits ............................................................................................................... 15
: P4 Z9 o" p- T; u6 u! B0 f3.2.1 Sallen-Key................................................................................................................................15
3.2.2 Multiple Feedback (MFB)...........................................................................................................16
/ K2 Z) K1 F/ Z7 G3.2.3 Twin T ......................................................................................................................................17
% n) f: @  P$ N8 k# @% R3.2.4 Fliege .......................................................................................................................................20
' ^1 b0 f4 k# S' F( `: p3.2.5 Akerberg-Mossberg Filter ..........................................................................................................22
3.2.6 BiQuad .....................................................................................................................................24
3.2.7 State Variable...........................................................................................................................25
4 References.................................................................................................................................. 25
Appendix A – Standard Resistor and Capacitor Values ................................................................. 26
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# d( m: e+ \6 O5 I  T" {0 A* ^6 T[ 本帖最後由 sjhor 於 2007-5-11 10:12 PM 編輯 ]