http://www.ieee-pses.org/symposium http://www.emc2004.org/
--------------------------------------------------
I agree with Dave's analysis below, considering the fact that the US
Automotive Specs call for Immunity testing in the 100-200 V/M range (one small
range in the 1-1.5GHz requires 600V/M) at 1 meter and failures occur daily I
wouldn't doubt that a powerful device like this could stop a vehicle.
Amazing how much power EMC can really have over the world today.
My question though is what if other vehicles are in the path of the EM Field?
I wonder how much of a clear shot is required for accuracy?
Also, the effects on the vehicle firing the EM Field and all the people who
may also be induced in it? Any studies done to prove or disprove that the EM
Field is harmful? In my experience and study a field with as little power as
100V/M can have serious affects on human beings.....
Just my two cents.
Rob Kado
EMC Engineer
VWS - Auburn Hills, USA
Tel: 248-340-3828 / Fax: 248-340-3316
Internal Location 3M2
[email protected]
Sent by: [email protected]
07/13/2004 12:08 PM
To: <[email protected]>, <[email protected]>
cc:
Subject: RE: EM Disruption of Automobile Electronics
http://www.ieee-pses.org/symposium http://www.emc2004.org/
--------------------------------------------------
Kim,
cool device. An EMP device like this can generate a 1-2 gW pulse, or so I have
read. Given 50 kV across a dipole you will get 35 megawatts. Directed with a
gain of 10 dBi this will give 2000 V/m at 50 meters. Is this enough to stop
automobile electronics?
Dave Cuthbert
Micron Technology
From: [email protected]
mailto:[email protected]] On Behalf Of James Youngman
Sent: Tuesday, July 13, 2004 10:03 AM
To: [email protected]
Subject: EM Disruption of Automobile Electronics
http://www.ieee-pses.org/symposium http://www.emc2004.org/
--------------------------------------------------
Most Esteemed EMC Gurus,
First post from a long-time suscriber. Subject is automotive EMC and the
intentional disruption of microprocessors in automobiles to disable vehicles,
presumably during chases. In an article in the Guardian (UK newspaper), Dr.
Giri describes his newly invented device; the article is at
<http://www.guardian.co.uk/crime/article/0,2763,1259138,00.html>
http://www.guardian.co.uk/crime/article/0,2763,1259138,00.html This was also
reported on National Public Radio ( <h
tp://www.npr.org/features/feature.php?wfId=3327049>
http://www.npr.org/features/feature.php?wfId=3327049) (watch for split URLs).
Knowing the lengths that the automotive EMC community goes to to prevent this
exact effect, and having been involved in similar "pursuits" of my own, I have
my doubts, but am interested in the opinions of others. Has Dr. Giri found a
back-door path into automotive microprocessors?
Thanks,
Jim
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