>
>Rich said:
>
>>Pentodes are even less sensitive.
>
>Verty true - actually, anything with a suppressor grid. Which was why
>pentagrid
>convertors operated with the suppressor at ground gave less damping to the IF
>transformer in the plate. Showing age now, though aren't we?
>
? I am a codger.
>More seriously, is there a reason why there were relatively few pentode high
>power tubes, as opposed to tetrodes?
? Building something large with a suppressor grid is apparently
difficult. Pentode sockets are pretty complex. There are seemingly no
pentodes with handles.
>Possibly because the lower plate resistance
>wasn't a problem with tank circuits having a relatively low Q?
>
cheers, Peter
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|