Joseph Rodgers wrote:
>
>Does anyone on the list have some information on the K2RIW Stripline 432 Mhz
>KW amp? I have one that has not been used for 10 or more years and I would
>like to bring it back into service. I need some information on the amp and
>the associated power supply. I have no documentation on the amp rf deck
>itself and I do not have a power supply.
>
>My guess on the power supply is that it requires 2000-2500 volts at
>500-1200ma. Does anyone know for sure? What about a source for such a thing?
>
>The amp has two 4cx250b tubes and is mounted to a 8 or 10 inch rack panel.
>It looks like it was homebrew or built from a kit 20-25 years ago.
>
>Any information, or help would be very helpful.
There's extensive information on the K2RIW, and on 4CX250B PAs and power
supplies in general, in 'The VHF/UHF DX Book'. It's available from ARRL
via links from my web site.
73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.demon.co.uk/g3sek
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