Advanced Qualification · A-005 Transmitters, modulation and processing · A-005-006-011
Intermodulation interference products are not typically associated with which of the following:
- A final amplifier stage
- B receiver frontend
- C passive intermodulation
- D intermediate frequency stage
Correct answer: D — intermediate frequency stage. From the official ISED question bank, verified word for word.
Why
The intermediate frequency stage is the correct choice because it operates at a fixed, lower frequency where signals are already separated and filtered, making it unlikely to generate new mixing products. The full explanation — and one for every question — is in Pro.
Practise this section
Transmitters, modulation and processing: AM, FM, SSB, keying, speech processing, and the numbers behind occupied bandwidth.