Exercise: Analog Electronics

Questions for: Analog Electronics

In figure the trace on the CRO will be
A:
half rectifier wave
B:
clamped wave
C:
no trace at all
D:
either (a) or (b)
Answer: B
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If re is ac resistance of diode, the Thevenin input impedance of a differential amplifier is
A:
re
B:
bre
C:
2 bre
D:
0.5 bre
Answer: C
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2N 2430 could be a
A:
semi-conductor diode
B:
dual gate MOSFET
C:
BJT
D:
UJT
Answer: C
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Which amplifier has the higher power gain?
A:
Common emitter
B:
Common collector
C:
Common base
D:
Both CC and CE
Answer: A
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Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is that?
A:
Weinbridge oscillator
B:
Hartley oscillator
C:
Colpitt's oscillator
D:
R-C phase shift oscillator
Answer: A
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