Radio Amateur Quiz Canadian License

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Question A-002-007-011

The FET amplifier common gate circuit is similar to which of the following bipolar transistor amplifier circuits?

Correct Answer

Common base

Explanation

The common-gate (CG) FET amplifier is analogous to the common-base (CB) BJT amplifier, both characterized by low input impedance, high output impedance, and no phase inversion of voltage.

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