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

4

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

4

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

4

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

4

(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

4

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)]

4

-RX

Explanation :
No Explanation available for this question

# Find Zin in the given figure

1.  CR1R2/R2

2.  SCR1R3R4/R2

3.  ∞

4.  0

4

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

4

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, ∞

4

∞, x, x

Explanation :
No Explanation available for this question

1.  4.87K

2.  5.78K

3.  6K

4.  6.28K

4