[AMPS] Filament Chokes (was Diodes)

[Pete Smith]

At 07:55 AM 2/22/2000 -0800, Vic wrote:
>Pete Smith wrote:
>> 
>> 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?
>
>Hi Pete,
>
>I think they were talking about indirectly heated cathodes, in which case
it is
>not ABSOLUTELY necessary (but in my opinion still a good idea).


An important omission on my part, since otherwise the filament transformer
winds up in the input circuit!  But aren't filament chokes used in
virtually every 3CX800, 8877, etc. amp? 

73,  Pete N4ZR

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