In an FM stereo transmitter, the L+R audio signal applied to the FM modulator stage
A) extends only from 23 kHz to 38 kHz
B) extends from 23 kHz to 53 kHz
C) extends from 0 to 15 kHz
D) extends only from 38 kHz to 53 kHz

Question

Quizplus · Accepted Answer

The L+R audio signal in an FM stereo transmitter, which represents the mono component or the sum of left and right audio channels, extends from 0 to 15 kHz. This is the standard audio bandwidth for FM broadcasting, ensuring compatibility with mono receivers and providing the full range of audio frequencies typically audible to the human ear.

In an FM Stereo Transmitter, the L+R Audio Signal Applied