A. Non inverter
B. Voltage follower
C. Summer
D. Difference amplifier
Related Mcqs:
- 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 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 - A differential amplifier is invariably used in the i/p stage of all op-amps. This is done basically to provide the op-amps with a very high______________?
A. CMMR
B. Bandwidth
C. Slew rate
D. Open-loop gain - A differential amplifier has a differential gain of 20,000. CMMR=80dB. The common mode gain is given by_______________?
A. 2
B. 1
C. 1/2
D. 0 - 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 - A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?
A. 50KHz
B. 100KHz
C. 1000/17KHz
D. 1000/7.07KHz - The ideal OP-AMP has the following characteristics
A. Ri=∞ ,A=∞ ,R0=0
B. Ri=0 ,A=∞ ,R0=0
C. Ri=∞ ,A=∞ ,R0=∞
D. Ri=0 ,A=∞ ,R0=∞ - 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 - In the above circuit the current ix is___________?
A. 0.6A
B. 0.5A
C. 0.2A
D. 1/12A - How many op-amps are required to implement this equationop-amps?
A. 2
B. 3
C. 4
D. 1
