Re: [amsat-bb] Using Class C Amplifiers for SSB

[Joseph V Murray <k0vty@xxxxxxxx>]

I suggest that the greater the carrier inserted the greater the duty
cycle and the greater the power used by AO-40.     That is why FM is a no
no.    I have no Idea what the SSB audio would sound like .

Joe K0VTY
======


On Sun, 31 Dec 2000 15:52:53 -0700 "James R. Duffey" <jamesd1@flash.net>
writes:
>I recall that Joe Riesert, W1JR, writing in his old VHF/UHF column in 
>Ham
>Radio suggested that Class C amplifiers could be used for linear
>applications like SSB by injecting a bit of carrier into the drive 
>signal.
>The carrier was enough to bias the amplifier into linear operation. As 
>I
>remember the amount of carrier required was low, more than 10 dB down 
>from
>the signal. Has anybody tried this? It may be a way to use the "Pod" 
>amps
>that are being discussed. - Dr. Megacycle KK6MC/5
>-- 
>James R. Duffey KK6MC/5
>30 Casa Loma Road
>Cedar Crest, NM 87008
>
>
>----
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