Re: Data Acquisition

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Peter Terren" <pterren1-at-iinet-dot-net.au> 

Hall effect devices may not be that helpful.  Typical frequency response
seems to be around the 20 kHz range or less which is well below TC
frequencies. For a magnetic levitation circuit I am developing I am using a
UGN3503U with response 23 kHz.
Cheers
Peter (Tesla Downunder)
http://members.iinet-dot-net.au/~pterren


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, January 20, 2004 9:15 AM
Subject: RE: Data Acquisition


 > Original poster: "David Thomson" <dave-at-volantis-dot-org>
 >
 > Hi Terry,
 >
 >  > I am not familiar with "Hall stuff", but if it has an "output
 >  > signal", the
 >  > 34970a can measure and record it with stunning ease...  Just import the
 >  > data to a spreadsheet program to play with it all you want.
 >
 > http://www.micronas-dot-com/products/overview/sensors/index.php
 >
 > In case you're interested, here's some information on the Hall effect
chip.
 > The chip produces a signal when the magnetic flux changes perpendicular to
 > its surface.  I would think that three chips arranged in the three axes
 > would provide enough data to generate 3D images of the magnetic field.  I
 > don't know how to do this yet, but it's something I'm shooting for.
 >
 > Such a sensor should be invaluable for Tesla coil research.
 >
 > Dave
 >
 >
 >
 >