On Sep 27, 2005, at 10:19 AM, Kenneth D. Grimm, K4XL wrote:
> R.Measures wrote:
>
>> On Sep 27, 2005, at 7:04 AM, Michael Tope wrote:
>>
>>
>>> <snip>I did read where 24 MHz is not recommended because of a HV
>>> plate choke resonance issue at 25 MHz.
>>>
>>
>> The lowest resonance in the 50uH HV RFC is c. 43MHz.
>>
> Are you saying that the plate choke isn't going to fail if the amp is
> loaded up on 24 MHz?
Wrong model amplifier, sorry. Alzheimers?
> Shouldn't one heed the warning given on the Alpha Radio Products web
> site which says: "The ALPHA PA-77, 77Dx/Sx, 78, 76, 76A, 374 and 374A
> should not be used on 12m.
> <http://www.alpharadioproducts.com/html/warc_78_12m.htm> The plate
> choke will overheat and burn on that band."
>
> --
>
> Ken K4XL
> k4xl@arrl.net
>
> *** BoatAnchor Manual Archive ***
> On the web at http://bama.sbc.edu and http://bama.edebris.com
> FTP site info: bama.sbc.edu login: anonymous p/w: youremailadr
>
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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