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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 20
26.
CMRR is the ratio of differential voltage gain to common mode gain.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The purpose of impedance matching in an amplifier circuit is to achieve
high efficiency
reduce distortion
maximum power transfer
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
For the circuit of figure the input and output Miller resistances are
5 kΩ each
1 ohm and 5 kΩ respectively
5 kΩ and 1 ohm respectively
1 ohm each
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In a BJT CE amplifier circuit the value of coupling capacitor should be such that
its reactance is small for the lowest frequency in the input and output
its reactance is high for the lowest frequency in the input and output
its reactance is zero for the lowest frequency in the input and output
its reactance is infinite for the lowest frequency in the input and output
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
In order to rectify sinusoidal signals of millivolt range (< 0.6 V)
bridge rectifier using diodes can be employed
full wave diode rectifier can be used
a diode is to be inserted in the feedback loop of an op-amp
a diode is to be inserted in the I/P of an op-amp
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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