Amateur Radio Exam

Amateur Extra Class Exam Question Pool Review

Question E7G11:

Where should an op-amp RC active audio filter be placed in an amateur receiver?

Answers:

A.In the IF strip, immediately before the detector

B.In the audio circuitry immediately before the speaker or phone jack

C.Between the balanced modulator and frequency multiplier

D.In the low-level audio stages

Correct answer is:D