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Electronic Devices - Operational Amplifiers

Exercise : Operational Amplifiers - General Questions
56.
What is the cutoff frequency of an op-amp if the unity-gain frequency is 1.5 MHz and the open-loop gain is 100,000?
5 Hz
10 Hz
15 Hz
20 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
57.
The ________ is the voltage gain of an op-amp with external feedback.
Aol
Acl
Av
Answer: Option
Explanation:
No answer description is available. Let's discuss.
58.

Refer to the given figure. This amplifier is known as

an inverting amplifier.
a non-inverting amplifier.
a voltage-follower.
a common-source amplifier.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
59.

Refer to the given figure. The voltage gain of this amplifier is

100.
5.
20.
21.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
60.
A(n) ________ amplifier configuration has an input impedance approximately equal to the input resistor Ri and an output impedance approximately equal to the output impedance of the op-amp itself.
non-inverting
inverting
voltage-follower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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