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Old March 14th 06, 08:50 AM posted to rec.radio.amateur.homebrew
Roberto IZ5FCY
 
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Default GG Tetrode/Pentode QRO

BTW not all tetrodes can be driven in true grounded grid. The 4cx250
for example, can ONLY be used in cathode driven or grid driven service.
If you try to run it as true grounded grid you will MELT the grids!

Mhmmm.. good info, Ken. Thank you !!

--
73's de IZ5FCY Roberto

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