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Electric Circuits and Networks, Ist Edition by Pearson
book

Electric Circuits and Networks, Ist Edition by Pearson

by K. S. Suresh Kumar
May 2024
Intermediate to advanced content levelIntermediate to advanced
840 pages
45h 20m
English
Pearson India
Content preview from Electric Circuits and Networks, Ist Edition by Pearson
223
6.11 PROBLEMS
(Opamps are μA 741 units unless specified otherwise. μA 741 has
R
i
2 MΩ, R
o
75 Ω, v
io
2 mV, I
B
I
B–
100 nA, V
sat
10 V, current limit 20 mA and slew rate 0.5 V/μs.)
1. Design an Opamp circuit to produce v
o
(t) 3 7 sin200
π
t V
using 12 V power supply and a signal source
v
S
(t) 0.5sin200
π
t V.
2. Find i
L
, i
s
, i
o
and v
o
in the voltage to current converter in
Fig. 6.11-1 designed to produce a constant current in a 10 Ω load.
3. Repeat Problem 2 if R
1
R
2
R
3
R
4
120 Ω. (Hint: The
Opamp works in the current-limited mode.)
4. (i) Show that the current in the load resistance R
L
in the circuit
in Fig. 6.11-2 is independent of
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Publisher Resources

ISBN: 9781299447028