4. A BJT class B push-pull amplifier with no transformer coupling uses (a) two npn transistors (b) two pnp transistors (c) complementary symmetry transistors (d) none of these 5. The maximum efficiency of a class AB amplifier is (a) higher than a class B (b) the same as a class B (c) about the same as a class A (d) slightly less than a class B 6. The power dissipation of a class C amplifier is normally (a) very low (b) very high (c) the same as a class B (d) the same as a class A 7. The efficiency of a class C amplifier is (a) less than class A (b) less than class B (c) less than class AB (d) greater than classes A, B, or AB
4. A BJT class B push-pull amplifier with no transformer coupling uses (a) two npn transistors (b) two pnp transistors (c) complementary symmetry transistors (d) none of these 5. The maximum efficiency of a class AB amplifier is (a) higher than a class B (b) the same as a class B (c) about the same as a class A (d) slightly less than a class B 6. The power dissipation of a class C amplifier is normally (a) very low (b) very high (c) the same as a class B (d) the same as a class A 7. The efficiency of a class C amplifier is (a) less than class A (b) less than class B (c) less than class AB (d) greater than classes A, B, or AB
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:4. A BJT class B push-pull amplifier with no transformer coupling uses
(a) two npn transistors
(b) two pnp transistors
(c) complementary symmetry transistors
(d) none of these
5. The maximum efficiency of a class AB amplifier is
(a) higher than a class B
(b) the same as a class B
(c) about the same as a class A
(d) slightly less than a class B
6. The power dissipation of a class C amplifier is normally
(a) very low
(b) very high
(c) the same as a class B
(d) the same as a class A
7. The efficiency of a class C amplifier is
(a) less than class A
(b) less than class B
(c) less than class AB
(d) greater than classes A, B, or AB
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