A common-source amplifier is shown in Figure Q.2(c). Given that Z₁ = 20 kn, Rsig = 1 ks2, gm = 3 mS, Ro=2 k2, Cgd=10 pF, Cgs = 100 pF and all other internal and wiring capacitances are negligible. Determine the dominant high cut-off frequency of the amplifier. Vpn

A common-source amplifier is shown in Figure Q.2(c). Given that Z₁ = 20 kn, Rsig = 1 ks2, gm = 3 mS, Ro=2 k2, Cgd=10 pF, Cgs = 100 pF and all other internal and wiring capacitances are negligible. Determine the dominant high cut-off frequency of the amplifier. Vpn

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

Question

A common-source amplifier is shown in Figure Q.2(c). Given that Z₁ = 20 km,
Rsig = 1 km2, gm = 3 mS, Rp = 2 k2, Cgd =10 pF, Cgs = 100 pF and all other internal and
wiring capacitances are negligible.
Determine the dominant high cut-off frequency of the amplifier.
VDD
R₁
RD
Rsig.
V Sig
N
Z₁
54
R₂
www
www
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W
T
Rs
Figure Q.2(c)
ww
C₂
Cs
Vo

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