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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 12
41.
A CE amplifier is the most common BJT amplifier.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The main drawback in the performance of shunt peaked wide band amplifier is
two low gain at low frequency
poor phase response
reduce frequency at middle frequency
that the maximum gain of the stage is small
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The current amplification is
2.5
12.5
25
125
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
In a CE amplifier circuit
Q point must lie on both dc and ac load lines
Q point lies on dc load line
Q point lies on ac load line
Q point lies may or may not lie on both dc and ac load lines
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
In a push pull circuit the two transistors are
both pnp
both npn
one pnp and other npn
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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