I HAVE A B&W 15A FILAMENT CHOKE FOR SOMEONE IF THEY NEED IT FOR $25.00
INCLUDING SHIPPING IF THEY LIKE. (THE $20.00 PRICE REFLECTS STORAGE FEES
ONLY FOR THE LAST TWENTY YEARS OR SO! VAN, k7vs
----- Original Message -----
From: "Gary Schafer" <garyschafer@comcast.net>
To: "'EP Swynar'" <gswynar@durham.net>; <topband@contesting.com>;
<amps@contesting.com>
Sent: Sunday, March 04, 2007 7:33 AM
Subject: Re: [Amps] B&W FC-30 Filament Choke: EPILOGUE
>
>
>> -----Original Message-----
>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
>> Behalf Of EP Swynar
>> Sent: Sunday, March 04, 2007 7:56 AM
>> To: topband@contesting.com; amps@contesting.com
>> Subject: [Amps] B&W FC-30 Filament Choke: EPILOGUE
>>
>> I've always been curious as to the possible effectiveness of employing
>> the
>> ferrite core from a TV picture tube deflection yoke / coil assembly as
>> the
>> foundation for a robust torroid-type filament choke...I have an
>> inordinately LARGE example of one here, which was removed from a junked
>> early colour TV set many years ago: maybe this is an opportunity in
>> disguise, waiting to be realized...
>>
>> I have no knowledge of anyone ever having tried this latter trick, but I
>> can't see why it wouldn't work.
>>
>> ~73~ Eddy VE3CUI - VE3XZ
>
> I have a pair of 813's in GG that I built many years ago and I built a
> filament choke from a TV flyback core. It works fine. If I remember right
> I
> cut the ends off one of the C sections to make a straight bar. You could
> glue 2 sections together to make a longer one if needed too.
>
> It seems to me that there was an article or two on using these things in
> one
> of the ham magazines years ago. Maybe in the 60's??
>
> 73
> Gary K4FMX
>
>
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>
>
> --
> No virus found in this incoming message.
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> Version: 7.5.446 / Virus Database: 268.18.7/710 - Release Date: 3/4/2007
> 1:58 PM
>
>
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