>In a message dated 08/03/2000 03:36:33 PM Pacific Daylight Time, 2@vc.net
>writes:
>
><< The fix that seems to work is: reduce VHF
> amplification. >>
>Rich it seems to me that one way to reduce vhf gain would be not to use
>tubes
>( very expensive ones) that have max. ratings to 500 mhz on frequencies of
>30 mhz or below. if it will amplify at 200 mhz it should also
>oscillate.....yes?? HANK
>
True enough, Hank. The 3-500Z apparently oscillates c. 150MHz in the
SB-1000, so tube choice is less limited than one might think. . .
According to unsubstantiated rumour, the 8877 can oscillate from 100MHz
to over 500MHz.
cheers
zZZ
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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