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Electronic Devices - Operational Amplifiers

Exercise : Operational Amplifiers - General Questions
11.
A three-stage op-amp can have a maximum phase lag of ________°.
–180
–90
–270
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The summing amplifier contains an inverting amplifier.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
What is the open-loop gain of an op-amp at the gain-bandwidth product of the op-amp?
200,000
50,000
200
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Calculate the overall voltage gain of the circuit if R1 = 100 and Rf = 1 k.

–1
–10
11
9
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.

Refer to the given figure. A dc input signal of –50 mV is applied. You would measure ________ from the inverting input to ground.

50 mV
1.05 V
–1.05 V
–50 mV
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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