[Amps] Uncluttering 3CX800A7 socket wiring
Steve Thompson
g8gsq at eltac.co.uk
Tue Jan 16 05:19:47 EST 2007
w2cqm at juno.com wrote:
>
> Eimac externally ties in pins pins 4,7, & 11 to the 3CX800A7's tube
> grid ring. That's evident from examining the base of the tube.
> Selecting any one of those three pins will effectively ground the
> grid. The cathode (apparently) internally ties into pins 1,2,3,8,9
> & 10. As a method to reduce undersocket wiring clutter, is it
> essential to make connections to each and every socket pin to make an
> effective connection to the cathode? Any comments would be
> appreciated. Ron W2CQM/3
Increased inductance in the grid lead might not make a measureable
difference at hf, but will decrease vhf stability. Look out for the p
word. I doubt that multiple cathode connections matter at hf.
Steve
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