Hello, Current transformers of FCC www.fischercc.com are a good choice. May be You need an absorbing clamp, i.e. a current transformer with an absorber at one end to sort out the current wave travelling in one direction. A source for this one is Rohde&Schwarz http://www.rohde-schwarz.com . Search for MDS-21 and You'll be directed to the data sheet. Thomas Beneken > Msg: #17 in digest > From: "Brent DeWitt" <bdewitt@xxxxxxxxxxxxx> > Subject: [SI-LIST] Re: Common mode emissions > Date: Tue, 5 Aug 2003 21:05:38 -0600 > > >From my experience, Fischer Custom Communications produces > the best value > per dollar. I won a bunch of their products and am very > happy with them. > > Brent DeWitt > > -----Original Message----- > From: si-list-bounce@xxxxxxxxxxxxx > [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Jon Keeble > Sent: Tuesday, August 05, 2003 4:36 PM > To: si-list@xxxxxxxxxxxxx > Subject: [SI-LIST] Common mode emissions > > > I'm looking for a current transformer suitable for measuring > 30-1000 MHz > common mode current on cables attached to boxes. The type I'm > thinking of > allows a few cables (mains power, signal etc) to be bunched > together and > placed inside the transformer, which is itself in a conducting box. > > Any pointers to either a complete commercial product or the > parts to make > would be appreciated. > > Regards > > Jon Keeble. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu