Patrick - Bypass caps were used in an older version of 1089, and subsequently replaced with LISNs in the current version.
Regards, Mark Gill, P.E. EMC/Safety/NEBS Design Nortel Networks - RTP, NC, USA > -----Original Message----- > From: plaw...@west.net [SMTP:plaw...@west.net] > Sent: Thursday, June 15, 2000 1:35 PM > To: EMC-PSTC; t...@world.std.com; nebs@world.std.com > Subject: Bellcore GP-1089 emissions testing: LISN test setup > > > I'm looking through Bellcore GR-1089 Issue 2 Revision 1 for details on the > test > setup for conducted emissions testing. > > I was under the impression that some of the measurements involved use of > large > RF bypass caps to ground, and the interference currents through the > capacitor > were measured. > While I found spec limits and test setups for current probe-style > measurements, > all the figures simply display a power input network marked 'LISN', which > I > assume to be the standard 50 ohm network. I can't find a reference that > explicitly discusses the use of an RF bypass cap. > > Could someone point me to the appropriate section? > ---- > Patrick Lawler > plaw...@west.net > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Jim Bacher: jim_bac...@mail.monarch.com > Michael Garretson: pstc_ad...@garretson.org > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > >