Re: [Amps] Zener Screen Regulators

["Bill, W6WRT" <dezrat1242@yahoo.com>]

ORIGINAL MESSAGE: 
On Wed, 5 Sep 2012 11:44:15 -0500, Rob wrote:

>>
>> I still ask for an explanation of why the filament or cathode in a tube has 
>> to
>> be heated to receive the current flow. I've been asking this question for 
>> fifty
>> years. Still waiting.
>>
>
>That's a different situation from charge transfer via direct contact
>with a conductor.
>
>rob
>k5uj

REPLY: 
Still waiting....

73, Bill W6WRT
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