In the active filter circuit shown in figure, if Q=1, a pair of poles will be realized with ω0 equal to

1.  1000rad/sec

2.  100rad/sec

3.  10rad/sec

4.  1rad/sec

View Answer  
4
Correct Answer :

1000rad/sec


Explanation :
No Explanation available for this question

For the circuit shown with an ideal OPAMP, the maximum phase shift of the output VOUT with reference to the input Vin is

1.  00

2.  -900

3.  +900

4.  1800

View Answer  
4
Correct Answer :

1800


Explanation :
No Explanation available for this question

The values of R1 and C in order A0 have a 3dB frequency of 1KHz, a high frequency input resistance of 100K and a high frequency gain magnitude of 10.

1.  0.7F

2.  0.11nF

3.  1F

4.  2F

View Answer  
4
Correct Answer :

0.11nF


Explanation :
No Explanation available for this question

For the OP-AMP circuit, V0=____________. Assume the OP-AMP are ideal.

1.  (2/5) V

2.  (1/5) V

3.  3V

4.  None of these

View Answer  
4
Correct Answer :

(2/5) V


Explanation :
No Explanation available for this question

A differential amplifier below has a differential mode gain of 100 and a CMRR of 40dB. If V1=0.55V and V2=0.45V, output V0 is

1.  10V

2.  10.5V

3.  11V

4.  15V

View Answer  
4
Correct Answer :

10.5V


Explanation :
No Explanation available for this question

In the figure below what will be Rin Assume OPAMP is ideal

1.  +RX

2.  -RX

3.  ∞

4.  [1+(RF/R1)]

View Answer  
4
Correct Answer :

-RX


Explanation :
No Explanation available for this question

Find Zin in the given figure

1.  CR1R2/R2

2.  SCR1R3R4/R2

3.  ∞

4.  0

View Answer  
4
Correct Answer :

SCR1R3R4/R2


Explanation :
No Explanation available for this question

The V0 in the given figure for CMRR=∞ and 80dB are

1.  1.35V, 1.35V

2.  1.35V, 1.897V

3.  1.897V, 1.35V

4.  1.35V, 1.355V

View Answer  
4
Correct Answer :

1.35V, 1.355V


Explanation :
No Explanation available for this question

In the circuit, it is required that V0=Vi; The values of I, m, n are (X represents don’t care conditions)

1.  0, 1, 1

2.  ∞, x, x

3.  x, -1, x

4.  0, x, ∞

View Answer  
4
Correct Answer :

∞, x, x


Explanation :
No Explanation available for this question

The value of R in figure below to keep V0=0 is

1.  4.87K

2.  5.78K

3.  6K

4.  6.28K

View Answer  
4
Correct Answer :

6.28K


Explanation :
No Explanation available for this question
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