I read in !emc-pstc that [email protected] wrote (in <CFEFA50C9BCAD2 [email protected]>) about 'ESD gun verification' on Thu, 1 May 2003: >to verify the waveform and charge you will need a Tektronix CT-1 current >transformer, a 500 MHz digital oscilloscope, and a 500 ohm high voltage >resistor. A 1/4 watt or larger carbon comp will work. Be aware that it has a >voltage coefficient. > >This will allow you to view the rise time, the decay time, and calculate the >total charge in coulombs (amps X seconds). I have been working on this subject >myself for the past couple of days. I have been view actual human discharges, an >ESD gun, and have built my own miniature ESD generator. The generator and SPICE >model are amazingly close when using component models that incorporate the >parasitics.
If that is true, I wonder why the people who investigated the previous version of the calibrator found a need for a 6 GHz scope among other exotica. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
