Question Pool -- Category E7E
How does a phase modulator work?
-
A.
- It varies the tuning of a microphone preamplifier to produce FM
signals
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B.
- It varies the tuning of an amplifier tank circuit to produce AM
signals
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C.
- It varies the tuning of an amplifier tank circuit to produce FM
signals
-
D.
- It varies the tuning of a microphone preamplifier to produce AM
signals
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