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