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Operational Amplifiers
An operational amplifier contains a differential amplifier, a voltage amplifier, and an output amplifier.
True
Correct Answer:
True
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Operational Amplifiers
Changing the input voltage to an op-amp circuit will change its voltage gain.
A virtual ground is a ground for current, but not for voltage.
Current actually flows into or out of a virtual ground.
An open feedback resistor in an inverting or noninverting op-amp circuit can cause severe clipping of the output signal.
An S-R flip-flop is an example of a bistable multivibrator circuit.
The frequency of a crystal is dependent on how much voltage is applied to activate it.
If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.
If an input signal is applied to the inverting input of an op-amp with the noninverting input grounded, the output signal would be opposite in polarity with the input.
A monostable multivibrator must be triggered.
The difference between the upper and lower trigger points is called the Schmitt trigger.
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