Re: Tesla coil tuner (grid-dip meter)

• To: tesla-at-pupman-dot-com
• Subject: Re: Tesla coil tuner (grid-dip meter)
• From: "jim lux" <jimlux-at-jpl.nasa.gov> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Thu, 04 Feb 1999 22:29:30 -0700
• Approved: twf-at-verinet-dot-com

-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Thursday, February 04, 1999 11:04 PM
Subject: Tesla coil tuner (grid-dip meter)


>Original Poster: Scott Stephens <Scott2-at-mediaone-dot-net>
>
>I've found a grid dip meter is a very handy tool to have for checking
>filters and other circuits. The grid dip meter (a simple transistor
>oscillator with a sensitive current meter to measure RF absorption peaks)
in
>the ARRL Handbook also functions as a tuned RF field strength meter when
>oscillator current is cut.


There are a number of devices sold to the amateur radio market that might be
useful. For instance: The MFJ259B measures Z (both R and X) as well as L or
C over typical rf range. I don't know if it will go down to 100's of kHz.
try http://www.mfjenterprises-dot-com

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