1
|
What
is meaning of the switching transistor?
|
Switching transistor
|
|
2
|
Give
reason : The transistor has high efficiency as a switch in the OFF and Saturation
condition.
|
Transistor OFF state
Transistor saturation state
|
|
3
|
At
which state the transistor operates like switch?
|
Transistor as switch
Cut off
Saturation
|
|
4
|
Which
is stable region for operation of the transistor?
|
Active region
|
|
5
|
What
is meaning of the multi - vibrator?
|
Multi –
vibrator
|
|
6
|
Which
type of feedback is used in the multi – vibrator circuit?
|
Positive
feedback
|
|
7
|
How
many stages the multi – vibrator consists of?
|
The multi –
vibrator circuit consists of two stage amplifier in which output of the one
amplifier feedback to the input of the other amplifier.
|
|
8
|
Which
type of waveform the output of the multi – vibrator consists of?
|
The output of
the multi – vibrator should be square or rectangular waveform which depends
upon circuit conditions.
|
|
9
|
Describe
the different types of multi – vibrator.
|
Types of multi – vibrator
|
|
10
|
Explain
the term : Astable multi – vibrator
|
Astable multi – vibrator
|
|
Explain
the term : Monostable multi – vibrator
|
|
Mono stable multi – vibrator
|
|
Explain
the term : Bi – stable multi – vibrator
|
|
Bi – stable multi – vibrator
|
|
11
|
Which
multi – vibrator generates square wave without any external pulse?
|
Astable or
free running multi – vibrator
|
|
12
|
Which
multi – vibrator has no stable state?
|
Astable or
free running multi – vibrator
|
|
13
|
Write
the expression of frequency for the square wave Astable
multi – vibrator
|
Frequency of
square wave = 1 / T
Where T = 1.4RC
|
|
14
|
Which
multi – vibrator has only one stable state?
|
Monostable
multi – vibrator
|
|
15
|
Which
multi – vibrator has two stable states?
|
Bistable
multi – vibrator
|
|
16
|
Describe
the function of feedback capacitors in the Bistable multi – vibrator.
|
Function of feedback capacitors
|
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