16 Apr
1999
16 Apr
'99
10:51 p.m.
On Fri, 16 Apr 1999 CLASSICCMP(a)trailing-edge.com wrote:
I know it may seem like this list has merely become a free-for-all in
light of recent topics, but isn't this question MUCH better served on a
ham newsgroup or list, of which there plenty??
Sellam Alternate e-mail: dastar(a)siconic.com
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Could anyone
tell me how a radio detects signals vs. static? There is a
little gauge on my radio that moves depending on the amount of noise vs.
signal. I would guess that the digitally tuned radios that skip over the
frequencies that are pure static work in the same way. What is this way?
Generally the gauge is a reading of the AGC (automatic gain control)
level being applied by the radio's IF. There are many other ways to derive
this signal, but this is the most common one.