Operational Amplifiers

1
Operational Amplifiers
CHAPTER 8
AC Power
2
Figure 8.2, 8.3
A voltage amplifier
Simple voltage amplifier model
Figure 8.2
Figure 8.3
8-1
3
Figure 8.4
Operational amplifier model symbols, and circuit
diagram
Figure 8.4
8-2
4
Figure 8.5
Inverting amplifier
Figure 8.5
8-3
5
Figure 8.7
Summing amplifier
Figure 8.7
8-4
6
Figure 8.8, 8.9
Noninverting amplifier
Voltage follower
Figure 8.8
Figure 8.9
8-5
7
Figure 8.10
Differential amplifier
Figure 8.10
8-6
8
Figure 8.14, 8.15
Instrumentation amplifier
Input (a) and output (b) stages of
Instrumentation amplifier
Figure 8.14
Figure 8.15
8-7
9
Figure 8.20
Op-amp circuits employing complex impedances
Figure 8.20
8-8
10
Figure 8.21, 8.23
Active low-pass filter
Figure 8.21
Normalized response of active low-pass filter
Figure 8.23
8-9
11
Figure 8.24, 8.25
Active high-pass filter
Figure 8.24
Normalized response of active high-pass filter
Figure 8.25
8-10
12
Figure 8.26, 8.27
Active bandpass filter
Figure 8.26
Normalized amplitude response of active bandpass
filter
Figure 8.27
8-11
13
Figure 8.30
Op-amp integrator
Figure 8.30
8-12
14
Figure 8.35
Op-amp differentiator
Figure 8.35
8-13
15
Figure 8.36
Elements of the analog computer
Figure 8.36
8-14
16
Model of automobile suspension
17
Figure 8.38, 8.39
Solution by repeated integration
Figure 8.38
Analog computer simulation of suspension system
Figure 8.39
8-15
18
Figure 8.42, 8.43
Figure 8.42
Op-amp output with voltage supply limit
Figure 8.43
8-16
19
Figure 8.45, 8.46
Open-loop gain of practical op-amp
Figure 8.45
Figure 8.46
8-17
20
Method of increasing bandwidth by means of
amplifiers in cascade
Bandwidth of a cascade amplifier
Bandwidth of a single-stage amplifier
21
Figure 8.48, 8.49
Op-amp input offset voltage
Figure 8.49
Figure 8.48
8-18
22
Figure 8.52, 8.53
Slew rate limit in op-amps
Figure 8.52
The maximum slope of a sinusoidal signal varies
with the signal frequency
Figure 8.53
8-19
23
Figure 8.55, 8.56
Figure 8.55
Distortion introduced by short-circuit current
limit
Figure 8.56
8-20
24
Common-Mode Rejection Ratio (CMRR)