[AMRadio] Re: looking for a (Doherty) linear amplifier

[Dino Darling]

KFI in Los Angeles has the Continental 317-C running a pair of 4CX25000 
(one carrier and one peak) in a modified Doherty configuration...

http://www.earthsignals.com/Collins/0020/

50,000 watts of more stimulating talk radio!


At 04:09 AM 12/22/2003 -0700, you wrote:
>Dave Knepper, W3ST, asks:
>
> > I was told that it was Doherty.  How could I tell?
>
>Look for a pi network on the inputs of half the final
>tubes labeled something like "carrier phasing" and
>another on the output of the other half of the tubes
>labeled "peak phasing".  Or something similar.  The
>only Doherty rig I have ever seen was a homebrew
>150 kW monster on 800 kHz in Cd. Juarez.  BTW, that
>rig was built by one of the founding fathers of
>Continental Electronics, James Weldon.
>
>Jim Bromley, K7JEB
>Glendale, AZ
>
>
>
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Dino...k6rix at earthlink.net