Q.1
The tail current in a differential amplifier equals .
Q.2
An ideal OP-amp is an ideal
Q.3
The differential voltage gain of a differential amplifier is equal to RC divided by .
Q.4
The OP-amp can amplify
Q.5
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
Q.6
When a differential amplifier is operated single-ended, ___________
Q.7
Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF
Q.8
The output of a particular OP-amp increases 8V in 12µs. The slew rate is
Q.9
The ideal OP-amp has the following characteristics.
Q.10
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
Q.11
With zero volts on both inputs, an OP-amp ideally should have an output ___________
Q.12
The tail current of a differential amplifier is .
Q.13
Of the values listed, the most realistic value for open-loop voltage gain of an OP-amp is
Q.14
If ground is applied to the (+) terminal of an inverting OP-amp, the (–) terminal will
Q.15
A certain inverting amplifier has a closed-loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain
Q.16
The common mode voltage gain is
Q.17
A differential amplifier ___________
Q.18
How many OP-amps are required to implement this equation
Q.19
Negative feedback ___________
Q.20
A voltage follower ___________
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