March 2, 2014

FCC Technician Exam Question Of The Day (T7A12)

Q) Which term describes the ability of a receiver to discriminate between multiple signals?

A) Selectivity

NJ2X Notes:
Selectivity is a performance measure of a radio receiver's ability to respond only to the radio signal it is tuned to and reject other signals nearby in frequency.  Selectivity performance is accomplished and enhanced through the use of filters.