[Amps] 8877 Filament choke

Roger sub1 at rogerhalstead.com
Thu Nov 15 17:41:42 EST 2007




> With an indirectly heated cathode you don't need a filament choke, in the 
> HF
> region.

What about when running one on 6-meters?

Roger (K8RI)

>
> Bob  W6TR
> ----- Original Message ----- 
> From: "Rick Stealey" <rstealey at hotmail.com>
> To: <amps at contesting.com>
> Sent: Thursday, November 15, 2007 9:26 AM
> Subject: [Amps] 8877 Filament choke
>
>
>>
>> Info in the ARRL handbook seems to indicate that it might be better to 
>> not
>> use a filament choke on an 8877 amplifier, that it might cause more
>> problems than it solves.
>> I wonder what you guys who have homebrewed 8877s think?
>>
>> Rick  K2XT
>>
>>
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