(a) 180° out of phase with the input (b) in phase with the input (c) taken at the source (d) taken at the drain (e) answers (a) and (c) (f) answers (a) and (d) 2. In a certain common-source (CS) amplifier, Vas = 3.2 V rms and Vgs= 280 mV rms. The voltage gain is (a) 1 (b) 11.4 (c) 8.75 (d) 3.2 3. In a certain CS amplifier, Rp source resistor is completely bypassed, the voltage gain is 1.0 kf2, Rs 560 n, VDD = 10 V, and gm = 4500 µS. If t %3D (a) 450 (b) 45 (с) 4.5 (d) 2.52

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.3P
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Question
1. In a common-source amplifier, the output voltage is
(a) 180° out of phase with the input
(b) in phase with the input
(c) taken at the source
(d) taken at the drain
(e) answers (a) and (c)
(f) answers (a) and (d)
2. In a certain common-source (CS) amplifier, Vas = 3.2 V rms and Veg = 280 mV rms. The
voltage gain is
(a) 1
(b) 11.4
(c) 8.75
(d) 3.2
3. In a certain CS amplifier, Rp = 1.0 kN, Rs = 560 2, VpD = 10 V, and gm = 4500 µS. If the
source resistor is completely bypassed, the voltage gain is
%3!
(a) 450
(b) 45
(c) 4.5
(d) 2.52
4. Ideally, the equivalent circuit of a FET contains
(a) a current source in series with a resistance
(b) a resistance between drain and source terminals
(c) a current source between gate and source terminals
(d) a current source between drain and source terminals
Transcribed Image Text:1. In a common-source amplifier, the output voltage is (a) 180° out of phase with the input (b) in phase with the input (c) taken at the source (d) taken at the drain (e) answers (a) and (c) (f) answers (a) and (d) 2. In a certain common-source (CS) amplifier, Vas = 3.2 V rms and Veg = 280 mV rms. The voltage gain is (a) 1 (b) 11.4 (c) 8.75 (d) 3.2 3. In a certain CS amplifier, Rp = 1.0 kN, Rs = 560 2, VpD = 10 V, and gm = 4500 µS. If the source resistor is completely bypassed, the voltage gain is %3! (a) 450 (b) 45 (c) 4.5 (d) 2.52 4. Ideally, the equivalent circuit of a FET contains (a) a current source in series with a resistance (b) a resistance between drain and source terminals (c) a current source between gate and source terminals (d) a current source between drain and source terminals
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