On Mar 4, 2005, at 8:26 AM, Tony King - W4ZT wrote:
> Because the GS-35B has the cathode internally connected to one side of
> the filament.
A wise decision. I have tested more than one 8877 that had a severed
heater wire that was caused by a +HV arc to chassis-gnd.
> 73, Tony W4ZT
>
> Tomm Aldridge wrote:
>> Then why do all the GS35B designs have filament chokes?
>>
>> Will Matney wrote:
>>
>>>
>>>
>>> Yup, your right, my faux pas.
>>>
>>> Should be any time a filament choke is used is on a directly heated
>>> cathode.
>>>
>>> Will
>>>
>>> -------Original Message-------
>>>
>>> From: Japerlick@aol.com
>>> Date: 03/04/05 09:59:56
>>> To: craxd1@ezwv.com
>>> Subject: Re: [Amps] Alpha 77Dx -Adding Grounded Grid Filament Choke
>>>
>>> In a message dated 3/4/2005 8:45:06 AM Central Standard Time,
>>> craxd1@ezwv
>>> com writes:
>>>
>>>
>>> This means it's not part of the RF
>>> circuit. The only time a filament choke is used in on indirectly
>>> heated
>>> cathodes.
>>>
>>>
>>>
>>> oops...I think you meant to say directly heated...
>>>
>>>
>>> _______________________________________________
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>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>
>>
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>
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>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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