Motorola 33794 electric field imaging IC

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

Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Anybody fooled with the MC33794.. it's a thing used to image electric 
fields, typically for air bag controllers, etc.

It "generates a high purity sinewave, steers it to one of 9 external 
electrodes and measures the resutlant field coupled into the non-driven 
electrodes"

http://e-www.motorola-dot-com/webapp/sps/site/prod_summary.jsp?code=MC33794&nodeId=0143597973b9G0

The evm (KIT33794DHEVM) works at 125 kHz (of all frequencies to 
choose!)  $138 from future-active-dot-com

Here's the data sheet for the part:
  http://e-www.motorola-dot-com/brdata/PDFDB/docs/MC33794.pdf

The part is $3 in Qty:1000+