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Electronics & Communication Engineering - Pulse And Digital Circutes

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31.

The compensated attenuator will produce output signal which is ____________

A.	Not same as input	B.	Triple of input
C.	Same as input	D.	Double of input

32.

The circuit which converts sinusoidal wave form into square under some special condition is ___________

A.	Dc restorer	B.	Double ended clamper
C.	Attenuator	D.	Clamper

33.

Under steady state the output is given by, when the circuit and input are as shown in the figure

A.	Vo = Vi .Vm	B.	Vo = Vi + Vm
C.	Vo = Vi - Vm	D.	Vo = Vi / Vm

34.

The reverse saturation current increases approximately for every __________ rise in temperature

A.	30 c	B.	50 c
C.	70 c	D.	10 c

35.

zener diode has_________ temperature coefficient

A.	some times positive and sometimes negative	B.	Only NEGITIVE
C.	Both positive and negative	D.	Only positive

36.

Turn off time of the transistor is =____________

A.	toff =tf +ts	B.	toff =tf +ton
C.	toff =tfd +ts	D.	toff =ton +ts

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