A varicap:
A) is placed in a tank circuit to provide for electronic tuning.
B) is placed in series with the tank inductor to provide tracking at the low end of a large frequency band.
C) is placed in parallel with each section of the ganged capacitors of the tank to provide tracking at the high end of a large frequency band.
D) is placed in an RF amplifier to provide for proper neutralization.

Question

Quizplus · Accepted Answer

A varicap, or variable capacitance diode, is used in tank circuits for electronic tuning by varying its capacitance with a voltage, allowing for frequency adjustments.

A Varicap