6-1 mcgraw-hill copyright © 2001 by the mcgraw-hill companies, inc. all rights reserved. chapter...
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McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-1
Chapter Six
Basic FET Amplifiers
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-2
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-3Figure 6.13Common-source circuit with voltage divider biasing and coupling capacitor
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-4Figure 6.14Small-signal equivalent circuit, assuming coupling capacitor acts as a short circuit
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-5Figure 6.17DC load line and transition point for NMOS circuit shown in Figure 6.16
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-6Figure 6.19Small-signal equivalent circuit of NMOS common-source amplifier with source resistor
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-7Figure 6.28NMOS source-follower or common-drain amplifier
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-8Figure 6.29(a) Small-signal equivalent circuit of NMOS source-follower and (b) small-signal equivalent circuit of NMOS source-follower with all signal grounds at a common point
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-9Figure 6.34
Common-gate circuit
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6-10Figure 6.35Small-signal equivalent circuit of common-gate amplifier
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-11Figure 6.39(a) NMOS amplifier with enhancement load device; (b) driver transistor characteristics and enhancement load curve with transition point
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-12Figure 6.39cVoltage transfer characteristics of NMOS amplifier with enhancement load device
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-13Figure 6.43(a) NMOS amplifier with depletion load device; (b) driver transistor characteristics and depletion load curve, with transition points
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6-14Figure 6.43c(c) voltage transfer characteristics
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-15Figure 6.45(a) CMOS common-source amplifier; (b) PMOS active load i-v characteristic, (c) driver transistor characteristics with load curve, (d) voltage transfer characteristics
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-16Figure 6.50 NMOS cascode circuit
McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved.
6-17Figure 6.52Small-signal equivalent circuit of NMOS cascode circuit