Oh, BTW, Bill shows a 8877 built for 6M and it does use a filament choke in
series with the filament. Same book page 22.71
Bob W6TR
----- Original Message -----
From: "Roger" <sub1@rogerhalstead.com>
To: "Bob Maser" <bmaser@tampabay.rr.com>; "Rick Stealey"
<rstealey@hotmail.com>; <amps@contesting.com>
Sent: Thursday, November 15, 2007 5:41 PM
Subject: Re: [Amps] 8877 Filament choke
>
>
>
>> 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@hotmail.com>
>> To: <amps@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
>>>
>>>
>>> _________________________________________________________________
>>> Peek-a-boo FREE Tricks & Treats for You!
>>> http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|