http://hawkins.pair.com/wabcnow.shtml should give you a heads up on the
operation of these broadcasting beasts.
they are totally digital, and uses square waves for RF genoration...they are
not linear..but they are 90% efficient......steven, W4IIV
"R.Measures" <r@somis.org> wrote:
>This couldn't be farther from the truth...
** Dr. Schmidt. Please explain why high-efficiency BC-type designs are
suitable for applications where linear operation over a range of
frequencies is required. Tnx
>
>Sincerely,
>
>Dr. William J. Schmidt, II K9HZ
>Trustee of the North American QRO - Central Division Club - K9ZC
>
>"Collector of Edison Wind-up Phonographs... Do you have one for me?"
>Email: bill@wjschmidt.com
>Alternate Email: wmschmidt@charter.net
>WebPage: www.wjschmidt.com
>
>
>
>----- Original Message -----
>From: "R.Measures"
>To: ; " AMPS"
>Sent: Monday, December 15, 2003 10:25 AM
>Subject: Re: [Amps] Big Solid State Power Amplifiers
>
>
>>
>>
>> >I don't know what designs you are familiar with, but combiner losses
>don't
>> >usually impact significantly on efficiency. That's why they are used in
>> >high-efficiency AM BC transmitters...
>> >
>> **High-efficiency BC-type designs are not suitable for applications where
>> linear operation over a range of frequencies is required.
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>
>
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STEVEN GRANT W4IIV
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