As my son says... "... but Dad, that was back in the 1900's..." :)
-Patrick (Resident Old Guy !!) On Sun, Feb 17, 2019 at 11:32 PM doug emcesd.com <[email protected]> wrote: > It is obviously jistvair discharge only. I suspect this is from the 70s, > maybe earlier. The output rise time will be slow further indicating a very > early design when they thought ESD had a ten ns risetime. > > Doug > Sent from my iPhone > IPhone: 408-858-4528 > Office: 702-570-6108 > Email: [email protected] > Website: http://dsmith.org > ------------------------------ > *From:* Richard Georgerian <[email protected]> > *Sent:* Sunday, February 17, 2019 20:11 > *To:* [email protected] > *Subject:* [PSES] ESD network schematic > > > Greeting colleagues, > > > > I am trying to find out what standard or document the below ESD discharge > network/ESD gun circuit comes from. It does not appear to come from either > IEC 61000-4-2 or the MIL Standard. > > The Rs and Cs are the discharge network for a specific ESD waveform. The > LS looks like the internal inductance of the ESD gun; the CH looks like the > capacitance (maybe the parasitic capacitance of the ESD gun). The LH looks > like the inductance of the ESD tip and the RH looks like the limiting > resistor that is part of the ESD tip circuit. > > I cannot put a date as to when this schematic was made, so it could be > something recent or from many years ago. > > > > > > Thank-you, > > > > Richard Georgerian > > Applications Engineer > > > - > ---------------------------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to < > [email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > - > ---------------------------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to < > [email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > -- // Patrick - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
