Electronics and Communication Engineering - Analog Electronics

16. 

Figure represents

A. Integrator
B. Differentiator
C. High Pass Filter
D. Band Pass Filter

Answer: Option A

Explanation:

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17. 

In a class C operation

A. VCC is much larger than VCE(sat)
B. VCC is much smaller than VCE(sat)
C. VCC and VCE(sat) are nearly equal
D. none of the above

Answer: Option A

Explanation:

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18. 

The frequency response of an ideal tuned amplifier should be as represented in figure by

A. A
B. B
C. C
D. D

Answer: Option C

Explanation:

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19. 

For a good voltage amplifier, its input impedance should be

A. low as compared to the resistance of the source
B. high as compared to the resistance of the source
C. always inductive
D. always capacitive

Answer: Option B

Explanation:

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20. 

Gain stability in an oscillator can bs achieved by

A. providing negative feedback
B. providing positive feedback
C. using low Q circuits
D. controlling the gain

Answer: Option D

Explanation:

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