[Amps] Re: Big HV Transformer for Sale

Paul Christensen w9ac@arrl.net
Thu, 20 Jun 2002 11:31:45 -0400


> >At 09:53 AM 6/17/02 -0400, wb4mnf wrote:
> >>I was planning to build a 5 kW AM SW
> >>TX using some phase modulated GS35B
> >
> >
> >I don't understand "Phase Modulated"...

One form of phase-modulated AM is termed "Ampliphase," a technique used by RCA in it's high-power MW and SW broadcast transmitters
from the late '50s through the mid '70s.  Here's an interesting article on the concept:

http://www.beech-ra.demon.co.uk/radio/ampli.htm

-Paul, W9AC