analogue fm tuner specifications
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	capture ratio -- ability to capture one station on the same
frequency as another, and based on different signal strength. 
       am rejection -- varying fm signal strength produces noise;
less, though, in a tuner with high am rejection.  this doesn't refer
to am radio.
       image rejection -- a higher number says multi path signals
won't tend to interfere as much with the direct one.  causes of
multi path include mountains and buildings.
	reduce am radio noise
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	combine the outputs of two am tuners with one tuned to a
broadcast signal and the other to inter signal noise a few kilohertz
away and with its output inverted.  mixing the two's audio can dra-
magically cut atmospheric and other noise sources.
Thanks to Compuserve's CEAUDIO Forum, 1994, for the ideas (slightly
rewritten) that appear in a file FMTIPS.ZIP on the UNT (University
of North Texas) public BBS. 
...
* ATP/Linux 1.50 * [:-)	listening to walkman
-*- SF-Quick/BW 1.00r [#48]
--- Alexi/Mail 2.02b (#10000)
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