Questions tagged [bandwidth]

Questions about bandwidth used by various modes, theoretical questions about bandwidth, and questions about other amateur radio aspects of bandwidth.

57 questions
5
votes
4 answers

Do signals have to be more separated on higher frequencies?

Someone told me that 10 meters was the biggest band because you can fit the most channels in it. He said that in higher frequencies like 2 meter etc, you have to separate the signals more apart for them to work. Is this true? Can HF frequencies…
Skyler 440
  • 7,600
  • 7
  • 49
  • 89
4
votes
2 answers

What does channel spacing look like in the time domain?

I'm trying to understand how radio works, and the concepts of AM/FM modulation are relatively clear to me. My next hurdle, however, is the following: How does differentiating between signals with different frequencies work? I can't picture the…
Lg102
  • 141
  • 2
2
votes
1 answer

Channel Bandwidth & Occupying Frequencies

I have started working on TDMA algorithms for SDR utilizing narrow band waveforms, and I have started reading about narrowband waveforms. But I am confused about the concepts of channel bandwidth and occupying frequencies of narrow band signals.…
MentorGeek
  • 29
  • 2
0
votes
1 answer

What are the standard bandwidths used on the various amateur bands?

What are the standard bandwidths used on the various amateur bands? For example, FM on 2 meter generally uses about 3kHz, right?
Geremia
  • 471
  • 2
  • 10