Discussion
An AM receiver produces distorted audio only on the loudest passages, and the distortion disappears if the volume at the transmitter is reduced.
The most likely cause is
Answer: D
Distortion appearing only on peaks and curable by reducing the transmitter's audio level points to over-modulation: the envelope is being driven past its limit on the loudest passages. A gain control failure would distort at all levels or produce level-dependent noise. An image interferer would appear as a second programme or a whistle rather than as peak distortion. Diagonal clipping is a receiver fault and would not respond to the transmitter's audio level in this way.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development