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Re: LF: grounded grid 3-500Z

To: [email protected]
Subject: Re: LF: grounded grid 3-500Z
From: Costas Krallis SV1XV <[email protected]>
Date: Sat, 28 Oct 2006 06:13:31 +0300
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At 04:58 28/10/2006 +0200, you wrote:

>I'm planning to build an amplifier with two times 3-500Z for operation
>on low bands.
>Can anyone explain how to measure the grid current in grounded grid
>In all applications there is only a different in measure plate current to
>grid current by an other dimension of the shunt resistor.
>Is that right? What is the theoretic of this?

Perhaps at this low frequency you can just insert a current
meter between the grid pin and ground, bypassed with some
capacitors ?

Costas SV1XV

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