On Sat, 25 Apr 98 00:50:14 -0800 Rich Measures <measures@vc.net> writes:
>>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.
However the MLA-2500 and several thousand 8874 Alpha's work just fine
with no tuned input.
Carl KM1H
.
>- later
>
>
>cheers
>Rich...
>
>R. L. Measures, 805-386-3734, AG6K
>
>
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