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ESE 2021 Technical Quiz 20 || Timers & Filters
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Question 1
For the circuit in figure, if the value of the capacitor C is doubled, the duty cycle of the output waveform Vo
Question 2
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 3
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
Question 4
consider the 555 time configured in the astable mode (oscillation) is shown below. For this find the frequency of the output and duty cycle?
Question 5
If R1C1 <<R2C2, then the below op-amp circuit shows what type of filter characteristics (Assume all op-amps are ideal)
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Apr 25ESE & GATE EC
