For the circuit shown in figure, true relation is

1.  V01 =V02

2.  V01=-V02

3.  V0=2V02

4.  2V01=V02

View Answer  
4
Correct Answer :

V01=-V02


Explanation :
No Explanation available for this question

In the circuit given in figure, op-amp slew rate is SR=0.5V/μs. if amplitude of input signal is 0.02V, then maximum frequency that may be used is

1.  0.55×106 rad/s

2.  0.55 rad/s

3.  1.1×106 rad/s

4.  1.1 rad/s

View Answer  
4
Correct Answer :

1.1×106 rad/s


Explanation :
No Explanation available for this question

If phase shift oscillator shown in the given figure operate at f=80 KHz, value of resistance RF is

1.  236 KΩ

2.  148 KΩ

3.  438 KΩ

4.  None of these.

View Answer  
4
Correct Answer :

236 KΩ


Explanation :
No Explanation available for this question

For the circuit in the figure output voltage is Vt =2.5V in response to input voltage Vi=5V.finite open-loop differential gain of the OP-AMP is

1.  5×104

2.  250.5

3.  2×104

4.  501

View Answer  
4
Correct Answer :

250.5


Explanation :
No Explanation available for this question

In the circuit shown in the given figure, OP-AMP is ideal. If βF=60, then total currnt supplied by the 15V source is

1.  123.1 mA

2.  98.3 mA

3.  49.4 mA

4.  168 mA.

View Answer  
4
Correct Answer :

49.4 mA


Explanation :
No Explanation available for this question

The transfer function of second order LP filter shown in the given figure is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

The low frequency gain of the low pass filter shown in the given figure is

1.  10 dB

2.  20 dB

3.  30 dB

4.  40 dB

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4
Correct Answer :

40 dB


Explanation :
No Explanation available for this question

In the switching circuit shown, RC time constant is much longer as compared to the time period of its input pulse single Vout of this circuit is of the form

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

What is the hysteresis voltage of the submit trigger shown if Vsat= ±10V

1.  1.90 volts

2.  1.45 volts

3.  1.00 volts

4.  0.90 volts.

View Answer  
4
Correct Answer :

1.00 volts


Explanation :
No Explanation available for this question

The period of the output waveform for the circuit of figure shown, when triggered by a negative pulse is

1.  0.75ms

2.  0.825ms

3.  0.525ms

4.  1.5ms.

View Answer  
4
Correct Answer :

0.825ms


Explanation :
No Explanation available for this question
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