>
>Jon Ogden wrote:
>>
>> Don't bother with the Measure's parasitic suppressors. Ain't needed. 'Nuf
>> said.
>
>Without getting into (God help me) the controversial Measures theory, it is a
>fact that carbon resistors in parasitic suppressors, such as are used in
>Heathkits, are prone to rise in value with heat and time. They can also
>open as
>a result of excessive heating, common when these amps are used on 11 meter
>am!
My SB-220 suppressor resistors were consistently damaged on 40m. There
was a pecuilar double-dip on 40m until I lowered the Rp of the VHF
parasitic suppressors.
>
>Therefore, it's worthwhile to make sure the resistors are in good shape, and
>replace them if needed.
? Amen, Vic. When R-supp is open, Rp increases and VHF gain increases.
>y. Measures recommends metal-oxide resistors which deal
>with the heat much more gracefully.
>
>73,
>Vic, K2VCO
>Fresno CA
>
>--
>FAQ on WWW: http://www.contesting.com/FAQ/amps
>Submissions: amps@contesting.com
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>Problems: owner-amps@contesting.com
>
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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