Hello all,
I have a couple of 3rd party bases for 4cx250 valve bases but am unsure
if they are designed for HF or VHF operation. I know that the capacity
of the inbuilt screen grid capacitor was different between HF and VHF
bases. I could check this (roughly) with the capacity function of my DVM.
Can anyone point me to the approximate capacity I should see for HF and
VHF bases?
Thank you and 73,
Ken.
--
Ken G3WCS
IO83rh : Cheshire : NW England
(+44) (0)870 765 1632 (home)
(+44) (0)7733 400 950 (mobile & sms)
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