>Sorry to jump backwards:
>
>Mike, G0MJW asked if UHF ceramic tubes are more prone to parasitic
>oscillation problems than glass types - I don't know, but the grid
>inductance you can't get at in the glass tubes might cause bother.
>
>Several people have told me that 3CX800 goes well in MLA2500 - might be
>an easier fix than a tetrode transplant.
>
However, a tetrode does not require a pi network input circuit for each
band of operation, which a g-g triode needs, which the MLA2500 does not
have. .
- later
cheers
Rich...
R. L. Measures, 805-386-3734, AG6K
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