Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
7th Edition
ISBN: 9780199339136
Author: Adel S. Sedra, Kenneth C. Smith
Publisher: Oxford University Press
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Chapter 1.5, Problem 1.15E
To determine
The overall voltage gain of cascade amplifier.
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The amplifier in the circuit below is driven by a signal generator v, with a small sine wave signal
vhose average value is zero. Assume the transistor has a value of B-100, and V-26 mV.
a. You need to design the circuit so that the de emitter current IE
of the emitter resistor RE to establish the desired de emitter current.
= 1 mA. Specify the value
b.
A de collector voltage of +5 volts is desired. Specify the value of the collector resistor Re
to establish the desired de collector voltage.
For this part assume that RL 5 K and the Early Effect needs to be considered. The
transistor has a VA 100 Volts. Draw the ac small signal equivalent circuit model of the
amplifier and determine its voltage gain.
91SV
C.
2.5k
MM
do
RE
-15 V
84
Vout
RL
Q1.
(a)
Consider the amplifier circuit in Figure Q1(a). Given the following:
RI = 100 k2
R2 = 56 kN
Rc =2 k2
Vcc = +8 V
Assume the transistor has B = 100 and VBE(on) = 0.7 V. You may neglect Early
effect and use VT = 26 mV.
(i)
Draw the DC equivalent circuit, then determine Iç and VCE.
Draw the AC equivalent circuit using re model. Based on this, determine
the parameters Av, Rin and Rout.
(ii)
Vcc
Rc
R1
R2
C3
Vout
C2
Ci
Vin
Figure Q1(a)
THE PAIR of transistors Q1 and Q2 in the figure have gains β1 = 200 and β2 = 75 respectively. Determine the value of the equivalent gain βeq for the equivalent transistor Qeq.
( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE).
Chapter 1 Solutions
Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
Ch. 1.1 - Prob. 1.1ECh. 1.1 - Prob. 1.2ECh. 1.1 - Prob. 1.3ECh. 1.1 - Prob. 1.4ECh. 1.2 - Prob. 1.5ECh. 1.2 - Prob. 1.6ECh. 1.2 - Prob. 1.7ECh. 1.2 - Prob. 1.8ECh. 1.3 - Prob. 1.9ECh. 1.4 - Prob. 1.10E
Ch. 1.4 - Prob. 1.11ECh. 1.5 - Prob. 1.12ECh. 1.5 - Prob. 1.13ECh. 1.5 - Prob. 1.14ECh. 1.5 - Prob. 1.15ECh. 1.5 - Prob. 1.16ECh. 1.5 - Prob. 1.17ECh. 1.5 - Prob. 1.18ECh. 1.5 - Prob. 1.19ECh. 1.5 - Prob. 1.20ECh. 1.5 - Prob. 1.21ECh. 1.6 - Prob. 1.22ECh. 1.6 - Prob. D1.23ECh. 1.6 - Prob. D1.24ECh. 1 - Prob. 1.1PCh. 1 - Prob. 1.2PCh. 1 - Prob. 1.3PCh. 1 - Prob. 1.4PCh. 1 - Prob. 1.5PCh. 1 - Prob. 1.6PCh. 1 - Prob. 1.7PCh. 1 - Prob. D1.8PCh. 1 - Prob. D1.9PCh. 1 - Prob. 1.10PCh. 1 - Prob. D1.11PCh. 1 - Prob. D1.12PCh. 1 - Prob. D1.13PCh. 1 - Prob. 1.14PCh. 1 - Prob. 1.15PCh. 1 - Prob. 1.16PCh. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Prob. 1.20PCh. 1 - Prob. 1.21PCh. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 1 - Prob. 1.25PCh. 1 - Prob. 1.26PCh. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - Prob. 1.32PCh. 1 - Prob. 1.33PCh. 1 - Prob. 1.34PCh. 1 - Prob. 1.35PCh. 1 - Prob. 1.36PCh. 1 - Prob. 1.37PCh. 1 - Prob. 1.38PCh. 1 - Prob. 1.39PCh. 1 - Prob. 1.40PCh. 1 - Prob. 1.41PCh. 1 - Prob. 1.42PCh. 1 - Prob. 1.43PCh. 1 - Prob. 1.44PCh. 1 - Prob. 1.45PCh. 1 - Prob. 1.46PCh. 1 - Prob. 1.47PCh. 1 - Prob. 1.48PCh. 1 - Prob. D1.49PCh. 1 - Prob. D1.50PCh. 1 - Prob. D1.51PCh. 1 - Prob. D1.52PCh. 1 - Prob. 1.53PCh. 1 - Prob. 1.54PCh. 1 - Prob. 1.55PCh. 1 - Prob. 1.56PCh. 1 - Prob. D1.57PCh. 1 - Prob. 1.58PCh. 1 - Prob. D1.59PCh. 1 - Prob. D1.60PCh. 1 - Prob. D1.61PCh. 1 - Prob. D1.62PCh. 1 - Prob. 1.63PCh. 1 - Prob. 1.64PCh. 1 - Prob. 1.65PCh. 1 - Prob. 1.66PCh. 1 - Prob. 1.67PCh. 1 - Prob. 1.68PCh. 1 - Prob. 1.69PCh. 1 - Prob. D1.70PCh. 1 - Prob. 1.71PCh. 1 - Prob. 1.72PCh. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Prob. D1.75PCh. 1 - Prob. D1.76PCh. 1 - Prob. 1.77PCh. 1 - Prob. 1.78PCh. 1 - Prob. D1.79PCh. 1 - Prob. 1.80PCh. 1 - Prob. 1.81P
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