Electronics and Communication Engineering - Analog Electronics

46. 

The oscillator shown in figure is a

A. Colpitt's oscillator
B. Hartley oscillator
C. Tuned emitter oscillator
D. Clapp oscillator

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

47. 

In which configuration does output ac voltage appear between emitter and ground?

A. CE
B. CB
C. CC
D. Both CE and CB

Answer: Option C

Explanation:

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48. 

Figure represents a

A. JFET shunt switching circuit
B. JFET series switching circuit
C. JFET analog switch
D. multiplexing

Answer: Option B

Explanation:

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49. 

At high frequencies the output circuit of transistor amplifier reduces to

A. a lead network
B. a lag network
C. either (a) or (b)
D. neither (a) nor (b)

Answer: Option B

Explanation:

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50. 

A pulse transformer uses

A. ferrite core
B. air core
C. iron core
D. copper core

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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