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AW: LF: grounded grid 3-500Z

To: <[email protected]>
Subject: AW: LF: grounded grid 3-500Z
From: "Thomas Eckart" <[email protected]>
Date: Sat, 28 Oct 2006 05:38:22 +0200
Delivered-to: [email protected]
Importance: Normal
In-reply-to: <[email protected]>
Reply-to: [email protected]
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Hi Costas,
The Amplifier is designed for 160m; 80m; and 40m ! Not 136khz!
I think, it isn't so ease!
Thanks for your response!
73' Tom

-----Ursprungliche Nachricht-----
Von: [email protected]
[mailto:[email protected]]Im Auftrag von Costas Krallis
Gesendet: Samstag, 28. Oktober 2006 05:14
An: [email protected]
Betreff: Re: LF: grounded grid 3-500Z

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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