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What reduces the second harmonic distortion?

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in Electronic Devices & Circuits by (272k points)
What reduces the second harmonic distortion?

(a) Amplifiers

(b) Demodulators

(c) Modulators

(d) Transistor switch arrays

This question was addressed to me in semester exam.

My doubt is from Second Harmonic Distortion in portion Large Signal Amplifiers of Electronic Devices & Circuits

1 Answer

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Correct option is (d) Transistor switch arrays

To explain: The second harmonic distortion can be reduced by transistor switch arrays. The switch arrays are implemented in a pseudo-differential configuration. This design of the transistor switch arrays as a side effect reduces the second harmonic distortion.

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