[AMPS] Diodes

[Phil Clements]

> I was reading the HF amps section the other day, and was surprised to read
> the flat statement that the filament choke is not necessary in
> grounded-grid amplifiers at HF.  Or did I misunderstand?
>
> 73,  Pete N4ZR
>
That is true if you are talking about indirectly heated tubes with a separate
cathode pin(s). The old glass tubes still need one.

BTW, I see lots of ridiculously high bids for B&W FC-15's and FC-30's on
E-Bay. Bear in mind that these do not cover 160 meters when you are bidding!

(((73)))
Phil, K5PC




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