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Re: [Amps] Fw: "Tubes 201" - How Vacuum Tubes Really Work

To: amps@contesting.com
Subject: Re: [Amps] Fw: "Tubes 201" - How Vacuum Tubes Really Work
From: "Will Matney" <craxd1@verizon.net>
Reply-to: craxd1@verizon.net
Date: Tue, 25 Jul 2006 14:15:53 -0400
List-post: <mailto:amps@contesting.com>
Peter,

On that, I agree it's the only way to make one positive (for only part of a 
cycle). Are there any other ways to make the grid positive and the grid be at 
ground potential with the cathode at ground? A lot of amps cathodes are at 
ground potential unless biased.

Best,

Will



*********** REPLY SEPARATOR  ***********

On 7/25/06 at 8:04 PM Peter Voelpel wrote:

>Nothing is easier then that if the cathode is going/driven negative with
>respect to ground.
>Grid voltage is always measured from grid to cathode, not to ground.
>
>73
>Peter
> 
>
>-----Original Message-----
>From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
>Behalf Of Will Matney
>
>please explain how a grid becomes positive when tied to ground?
>
>
>
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