From: Derek Walton [mailto:[email protected]]
Sent: Tuesday, March 23, 2004 6:53 AM
To: [email protected]
Subject: Tweaking a transient Generator


Good day all,

I've been developing a damped sine generator to perform the DO-160 lightning
test, and have had some reasonable success. However ( there is always a
gotcha ), the leading edge of the 1 MHz ring wave has a very short ( around
10 nS ) spike on it. I have tried a number of things to kill the spike, but
to no avail. Does anyone have suggestions on what causes this, and ways to
eliminate it?

I have strived to keep stray inductance small, very small, maybe too
small.....

The switch is a high voltage vacuum relay.

-- 
Derek N. Walton
L F Research
Poplar Grove, IL 61065, USA



Derek:

Why not put up a schematic, plus a couple of multiple-angle photos, and give
us a link so we can see what you are doing?

Ed

Ed Price
[email protected]         WB6WSN
NARTE Certified EMC Engineer & Technician
Electromagnetic Compatibility Lab
Cubic Defense Applications
San Diego, CA  USA
858-505-2780  (Voice)
858-505-1583  (Fax)
Military & Avionics EMC Is Our Specialty


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