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GATE 2020: Analog Electronics Quiz 4 (App update required to attempt this test)
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Question 1
For differentiator circuit shown in figure, Determine the output voltage if the input goes from 0V to 10V in 0.4sec . Assume the input voltage changes at constant rate .
Question 2
In the oscillator circuit shown in figure, Find the value of frequency of oscillation (in MHz).
Question 3
Consider the circuit shown in the figure. In this circuit R = 1 kΩ and C = 1 μF. The input voltage is sinusoidal with a frequency of 50 Hz, represented as a phasor with magnitude Vi and phase angle 0 radian as shown in the figure. The output voltage is represented as a phasor with magnitude V0 and phase angle δ radian. What is the value of the output phase angle δ (in radian) relative to the phase angle of the input voltage?
Question 4
Assuming the operational amplifier to be ideal, the gain Vout/Vin for the circuit shown in Figure is
Question 5
Find the value of R2 (in KΩ) to design a wein bridge oscillator with a resonating frequency of 20 KHz. Assume that C1= 1nF, C2 = 2nF and R1 = 10 kΩ?
Question 6
Determine the bandwidth of the amplifier have an open loop voltage gain of 200 dB and a unity gain bandwidth of 6MHz
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Aug 13ESE & GATE EE
