Advanced Qualification · A-006 Receivers · A-006-004-008
AGC voltage is applied to the:
- AAF and IF amplifiers
- BRF and AF amplifiers
- Cdetector and AF amplifiers
- DRF and IF amplifiers
Correct answer: D — RF and IF amplifiers. From the official ISED question bank, verified word for word.
Why
Automatic Gain Control, or AGC, acts like a volume knob that the radio adjusts itself to keep the sound steady. The full explanation — and one for every question — is in Pro.
Practise this section
Receivers is section A-006 of the Advanced exam: Receivers: superheterodyne design, selectivity, sensitivity, images, AGC and noise.
Drill A-006 — free, no account