Electronic Devices - Operational Amplifiers
Exercise "To err is human; to forgive, divine."
- Alexander Pope
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?
Answer: A
Explanation:
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57.
The ________ is the voltage gain of an op-amp with external feedback.
Answer: B
Explanation:
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58.
Refer to the given figure. This amplifier is known as
A. an inverting amplifier. B. a non-inverting amplifier. C. a voltage-follower. D. a common-source amplifier.
Answer: C
Explanation:
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59.
Refer to the given figure. The voltage gain of this amplifier is
Answer: B
Explanation:
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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.
A. non-inverting B. inverting C. voltage-follower
Answer: E
Explanation:
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