On a platform large enough to house 2 two meter high cabinets, the hf electric field is almost surely vertical. Ken Javor
Phone: (256) 650-5261 > From: "ola...@juno.com" <ola...@juno.com> > Date: Mon, 11 Jan 2010 15:39:22 GMT > To: <EMC-PSTC@LISTSERV.IEEE.ORG> > Subject: Re: [PSES] High Power RF Exposure > > Any particular reason that the parallel plate arrangement can't be tipped on > its side so that the unit is tested across a short dimension? That would do > wonders for achieving the requisite field strength. You'd want to put the UUT > on a dielectric pedestal to keep the floor from causing excessive field > distortion. > > Orin > > > Pat, > > Yes, that's the sort of thing - although Ed's point about the basic > calculations is also true. You would only get a high enough field by reducing > the height, but you would then have to deal with the change in the > characteristic impedance of the line. > > Luke > > Luke - is this what you're thinking about? > <http://tdkrfsolutions.com/DataPDFs/TDK-STL-03.pdf> > > Ed - if this looks worthwhile, maybe you could query TDK about who has > purchased these striplines. > > Pat Lawler > EMC Engineer > SL Power Electronics Corp. > > "Luke Turnbull" <luke.turnb...@trw.com> wrote on 01/08/2010 01:40:39 AM: >> Ed, >> I believe that some auto companies have large overhead structures to >> do radiated immunity (on cars) at low frequency - I guess like a >> parallel plate arrangement. I also believe that they run up to 10 >> kW for RF amplification. Probably a bit of a trip up to Detroit though. >> >> If you're interested in taking this further, I may be able to look >> up some contact details off-list. >> >> Luke Turnbull >> >> >> Dr Luke Turnbull >> EMC Technical Manager >> TRW Conekt >> Stratford Road >> Solihull >> West Midlands B90 4GW >> >> Tel: +44 (0)121.627.3966 >> >> email: luke.turnb...@trw.com >> web: www.conekt.net >> >>>>> On 07/01/2010 at 18:42, in message >> <9d04b979323dcd428297dda95108893e0382e...@bb-corp-ex2.corp.cubic. >> cub>, "Price, Edward" <ed.pr...@cubic.com> wrote: >> >> Would anyone know of a test lab that could perform E-field radiated >> susceptibility testing, in the 1.5 MHz to 30 MHz region, at a level >> of 560 V/M CW? The test specimen is 2 meters tall, so it probably >> will not fit in a TEM cell. Illuminating antenna distance can be >> less than one meter. >> >> >> >> I prefer Southern California, but will consider other places on >> Earth. Time frame = next week! >> >> >> >> Thanks in advance. >> >> >> >> >> >> Ed Price >> >> ed.pr...@cubic.com WB6WSN >> >> NARTE Certified EMC Engineer >> >> Electromagnetic Compatibility Lab >> >> Cubic Defense Applications >> >> San Diego, CA USA >> >> 858-505-2780 >> >> Military & Avionics EMC Is Our Specialty > > - > ---------------------------------------------------------------- > 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 > <emc-p...@ieee.org> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > Graphics (in well-used formats), large files, etc. can be posted to that URL. > > Website: http://www.ieee-pses.org/ > Instructions: http://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <emcp...@socal.rr.com> > Mike Cantwell <mcantw...@ieee.org> > > For policy questions, send mail to: > Jim Bacher: <j.bac...@ieee.org> > David Heald: <dhe...@gmail.com> - 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 <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <emcp...@socal.rr.com> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
