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A buffer amplifier is a cathode follower double tuned amplifier.

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A buffer amplifier is a cathode follower double tuned amplifier.

(a) True

(b) False

I got this question during an interview for a job.

The origin of the question is Advantages of Filter Method in chapter SSB Modulation of Analog Communications

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The correct choice is (b) False

For explanation I would say: Gain of an amplifier is it’s ability to increase the voltage at the input and produce the result at the output. A buffer amplifier is basically a high gain DC amplifier. It is basically used for transferring voltage from a high output impedance level to a low input impedance level circuit.

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