|[AMRadio] Which radio might be best on AM?|
k4kyv at charter.net
Sat Mar 1 12:30:18 EST 2008
> Since I trade radios a lot and since the Belton Hamfest is coming soon I
> looking at several transceivers to trade for. I am also keeping my
> that I use now for everything.
> The current choices are;
> A Drake TR-7 This says it simulates AM with a carrier and only the
> side band. That might not sound good
> A Kenwood Ts-940SAT
> A Kenwood TS-930S.
I would not consider transmitting with any radio that "simulates AM with a
carrier and only one side band". That is not AM. It's just SSB with poor
carrier suppression, or you might say, transmits a pilot carrier for a PLL
BFO to lock onto. It doesn't sound good because of fundamental principles
of the modulation and demodulation process.
The TR-7 does a fair job on receive if equipped with an AM filter. The AM
transmit function, with the audio section turned to zero or disabled
entirely, would make a good stable vfo/exciter unit to drive a
plate-modulated or grid-modulated AM transmitter or final.
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