Amplifier Circuits Quiz

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To make the voltage or current of the input signal larger without changing the shape of the signal.

To increase the magnitude of a signal without changing its shape or introducing new information.

Any change in waveform, also known as distortion.

<p>By its voltage gain.</p> Signup and view all the answers

<p>BJT (Bipolar Junction Transistor).</p> Signup and view all the answers

To increase the voltage or current of an input signal without altering its waveform.

To increase the magnitude of a signal without altering its shape or introducing new information.

Any change in waveform, known as distortion.

Described by its voltage gain.

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Bipolar Junction Transistor.

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Amplify means to make the voltage or current of the input signal larger without changing the shape of the signal.
An amplifier is a device used for the amplification process.
The output signal of the amplifier should be an exact replica of the input signal, except for having a larger magnitude.
Any change in waveform is considered as distortion and is undesirable.

Voltage gain describes an amplifier circuit when the input and output quantities are voltages.
Current gain and Power gain can also be used to describe an amplifier circuit.
BJT (Bipolar Junction Transistor) can be used as an amplifier in different configurations.