# The lower corner frequencies of the amplifier is fL

1.  3.42Hz

2.  3.42KHz

3.  6.84Hz

4.  6.84 kHz

4

3.42Hz

Explanation :
No Explanation available for this question

# The diode circuit shown below have piecewise linear parameters of Vy=0.6V and rf=0.The output voltage V0 the diode current Id and ID2 for V1=10V, V2=5V are

1.  8.8V

2.  18.8V,18.8mA oA

3.  8.93V 18.8mA 8.8mA

4.  8.93v, 0.94mA,0A

4

8.93v, 0.94mA,0A

Explanation :
No Explanation available for this question

# For the voltage amplifier,Vs = 100 m V, Vf = 95 mV & V0 = 10 V Then open loop gain (Av) closed loop gain (Avf) and feedback factor (β) of the amplifier is

1.  20 × 103V/V 100V/V 9.5 × 10-3 V/V

2.  2 × 103V/V 10V/V 9.5 × 10-3 V/V

3.  2 × 103V/V 100V/V 0.95 × 10-3 V/V

4.  2 × 103V/V 100V/V 9.5 × 10-3 V/V

4

2 × 103V/V 100V/V 9.5 × 10-3 V/V

Explanation :
No Explanation available for this question

# The upper corner frequency of the amplifier is fH

1.  3.18 MHz

2.  300 kHz

3.  31.8 MHz

4.  26 MHz

4

3.18 MHz

Explanation :
No Explanation available for this question

# For the transconductance amplifier, if VS = 100mV, Vf = 95mV, I0 = 10mA then the open loop gain, closed loop gain and feedback factor β is

1.  20A/V, 1A/V, 9.5 V/A

2.  2A/V, 0.1A/V, 9.5 V/A

3.  20A/V, 10A/V, 0.95 V/A

4.  2A/V, 0.01A/V, 0.95 V/A

4

2A/V, 0.1A/V, 9.5 V/A

Explanation :
No Explanation available for this question

# The band width of the amplifier is

1.  3.18 MHz

2.  296.6 kHz

3.  31.8 MHz

4.  25.9 MHz

4

3.18 MHz

Explanation :
No Explanation available for this question

# Which of the following correctly represents simplified model of common emitters NPN transistor model

1.

2.

3.

4.  None

4

Explanation :
No Explanation available for this question

# The condition for oscillation is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A 555 IC is connected as shown in the figure below, determine the range of frequency of oscillator and the duty cycle.

1.  627 Hz < f < 4.8 KHz, 52.2% < duty cycle < 66.7%

2.  627 Hz < f < 4 KHz, 16.6% < duty cycle < 55.5%

3.  1.2 Hz < f < 4.8 KHz, 48.8% < duty cycle < 66.7%

4.  None

4

627 Hz < f < 4.8 KHz, 52.2\% < duty cycle < 66.7\%

Explanation :
No Explanation available for this question

1.

2.

3.

4.  None

4