Transcript Chapter 11
Chapter Eleven 11-1 Differential and Multistage Amplifiers McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.2 11-2 Basic BJT differential-pair configuration McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.3 Basic diff-amp with applied common-mode voltage and (b) basic diff-amp with applied differentialmode voltage McGraw-Hill 11-3 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.7 (a) Equivalent ac circuit, diff-amp with differential-mode input signal and two-sided output voltage and (b) ac equivalent circuit with onesided output McGraw-Hill 11-4 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.8 11-5 Small-signal equivalent circuit, bipolar differential amplifier McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.12 11-6 (a) Equivalent ac circuit, diff-amp with applied sinusoidal differential-mode input signal, and resulting signal current directions and (b) differential-mode half-circuits McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.13 (a) Equivalent ac circuit of diff-amp with common-mode input signal, and resulting signal current directions and (b) common-mode half circuits McGraw-Hill 11-7 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.22 11-8 AC equivalent circuit, MOSFET differential amplifier McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.23 11-9 Small-signal equivalent circuit, MOSFET differential amplifier McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.24 11-10 MOSFET cascode current source McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.28 11-11 BJT differential amplifier with active load McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.30 11-12 BJT differential amplifier with three-transistor active load, showing the signal currents McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.31 (a) Small-signal equivalent circuit BJT differential 11-13 amplifier with active load and (b) rearrangement of small-signal equivalent circuit McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.33 The ac equivalent circuit, MOSFET differential amplifier with active load McGraw-Hill 11-14 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.34 (a) Small-signal equivalent circuit, MOSFET differential amplifier with active load and (b) rearranged small-signal equivalent circuit McGraw-Hill 11-15 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.37 A MOSFET cascode diff-amp with a cascode diff-amp McGraw-Hill 11-16 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 11.46 BJT diff-amp with three-transistor active load, Darlington pair gain stage, and simple emitter-follower output stage McGraw-Hill 11-17 Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.