A. Energy is to be stored/discharged in parasitic capacitances
B. Effects of temperature would be compensated
C. Devices in the circuit should be allowed time for saturation and desaturation
D. It would prevent noise from causing false triggering
Related Mcqs:
- Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF___________?
A. 1.273kHz
B. 12.73kHz
C. 127.3 kHz
D. 127.3 Hz - The closed-loop voltage gain of an inverting amplifier equal to______________?
A. The ratio of the input resistance to feedback resistance
B. The open-loop voltage gain
C. The feedback resistance divided by the input resistance
D. The input resistance - An opamp has a slew rate of 5V/ S. the largest sine wave o/p voltage possible at a frequency of 1MHz is____________?
A. 10 V
B. 5 V
C. 5V
D. 5/2 V - In the above circuit the current ix is___________?
A. 0.6A
B. 0.5A
C. 0.2A
D. 1/12A - An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed_____________?
A. 795mV
B. 395mV
C. 795mV
D. 39.5mV - The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k?
A. ∞
B. 120k
C. 110k
D. 10k - How many op-amps are required to implement this equationop-amps?
A. 2
B. 3
C. 4
D. 1 - In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is________________?
A. 23dB
B. 25dB
C. 46dB
D. 50dB - For an ideal op-amp, which of the following is true?
A. The differential voltage across the input terminals is zero
B. The current into the input terminals is zero
C. The current from output terminal is zero
D. The output resistance is zero - An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is_______________?
A. 10 volts
B. 5 volts
C. 5/ volts
D. 5/2 volts
