A varactor diode may be useful at microwave frequencies (indicate the

1.	A varactor diode may be useful at microwave frequencies (indicate the false answer):
A.	For electronic tuning
B.	For frequency multiplication
C.	As an oscillator
D.	As a parametric amplifier
Answer» D. As a parametric amplifier

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A varactor diode may be useful at microwave frequencies (indicate the false answer):

A varactor diode may be useful at microwave frequencies (indicate the false answer):

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