Re: Electrometer design (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Sun, 11 Jul 2004 09:57:16 -0300
From: Antonio Carlos M. de Queiroz <acmdq@xxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Electrometer design (fwd)

High Voltage list wrote:

> From: Dr. Resonance <resonance@xxxxxxxxxx>

> You can also use a field effect transistor (FET) and this gives a reliable
> flash at distances up to 50 miles as the storm approaches.  If anyone sends
> me a SASE I will send them the circuit.  Very simple with one FET, a few
> resistors, and a few caps.

Some interesting ideas about electronic electroscopes can be seen at:
http://www.ece.rochester.edu/~jones/demos/

Antonio Carlos M. de Queiroz