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GATE EC 2020: Analog Quiz 12 (App update required to attempt this test)
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Question 1
For the timer circuit shown, the required value of R’ to satisfy the following time period of oscillations = 0.2 msec and Duty cycle =50%
Question 2
Find the value of Capacitance ‘C’(in nF) that produces an output pulse of 220 μs in the mono-stable circuit shown below. Given R = 10 kΩ.
Question 3
If op-amp in the circuit is ideal, then find the hysteresis width (in V) in the voltage transfer characteristics of the Schmitt trigger circuit shown below
Question 4
Which of the following are the correct characteristics for the given circuit?
Question 5
Consider an op-amp circuit shown below figure.
The above op-amp circuit exhibits which type of filtercharacteristics (Assume all op-amps are ideal).
The above op-amp circuit exhibits which type of filtercharacteristics (Assume all op-amps are ideal).
Question 6
A 555-timer is used as an astable multivibrator. The capacitor used is of 15 nF value. The value of resistors for a frequency of 20 kHz and a duty cycle of 0.8 for output voltage waveform are
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Aug 20ESE & GATE EC
