Skip to main content

All Questions

Filter by
Sorted by
Tagged with
1 vote
1 answer
143 views

Why is a multiplexed FM signal broadcasting silence so... spiky?

I'm trying to understand how American FM multiplexing works. As I understand it, your average FM signal can be made out of: The mono "sum" channel from 30 Hz to 15 kHz, made out of left + ...
Chris Akridge's user avatar
0 votes
1 answer
249 views

How is multiplexing on FM signals performed? [closed]

How does multiplexing differ from FM signals to AM signals. If both FM and AM shift the message signal in frequency, then is there a difference between multiplexing for FM or AM signal?
user281270's user avatar
0 votes
1 answer
68 views

Noise floor of a FM duplex

If these 2 signals, that form this duplex, have ranges of 15-30 [kHz] and 30-45 [kHz] using: $NoiseFloor_{dBm} =10\log _{10}(k\times T_{0}\times 1000)+NF+10\log _{10}(BW)$ (formula from wikipedia) ...
Desperado's user avatar
  • 115