3 ms·
It’s more than that. FM is several times less spectrum efficient than AM and needs more bandwidth to transmit the same information. https://en.m.wikipedia.org/
by basementcat 2y ago
It’s more than that. FM is several times less spectrum efficient than AM and needs more bandwidth to transmit the same information.
https://en.m.wikipedia.org/wiki/Carson_bandwidth_rule https://en.m.wikipedia.org/wiki/Carson_bandwidth_rule
- IX-103 2y agoYou provided a citation, but it doesn't prove your point. In general frequency modulation is more efficient than amplitude modulation (but requires more complicated receivers). For example GMSK in the 2G standard GSM replaced the less efficient 1G AMPS system which used amplitude modulation.