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General Knowledge
Verbal Reasoning
Computer Science
Interview
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Operational Amplifiers
Common-mode signals have _____.
the same amplitude
the same phase
the same frequency
All of the above
Correct Answer:
All of the above
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Operational Amplifiers
Current cannot flow to ground through a(n) ________.
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The input impedance is ______ for the amplifier in the given circuit. The data sheet values are Zin = 3 MΩ, Zout = 80 Ω, and Aol = 250,000.
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The resistors Rf and Ri in an op-amp circuit control ______ .
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