Chapter 13

Report
13-1
Chapter Thirteen
Operational Amplifier
Circuits
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.2
13-2
A simple bipolar operational amplifier
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.3
13-3
Equivalent circuit, 741 op-amp
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.5
13-4
Bias circuit and input stage portion of 741 op-amp circuit
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.7
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Reference circuit and gain stage, 741 op-amp
13-5
Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.8
13-6
Basic output stage, 741 op-amp, showing
currents and voltages
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.9
13-7
Output stage, 741 op-amp with short-circuit
protection devices
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.14
13-8
MC14573 CMOS op-amp equivalent circuit
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.15
13-9
(a) Classical cascode stage; (b) folded-cascode stage
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.16
13-10
CMOS folded cascode amplifier
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.17
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CMOS current-mirror op-amp
13-11
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Figure 13.19
13-12
BICMOS folded cascode amplifier
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.20
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CA3140 BICMOS op-amp equivalent circuit 13-13
Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
Figure 13.21
13-14
Bias circuit, CA3140 BICMOS op-amp
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Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.

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