Gary (and others): I have the same recollection vis-a-vis the VDE COnducted emisions requirements. Thank you Charles Grasso (Capn Hook)
> ---------- > From: Gary McInturff[SMTP:[email protected]] > Sent: Friday, December 04, 1998 2:12 PM > To: [email protected]; Muriel Bittencourt de Liz > Cc: [email protected] > Subject: RE: Doubt on LISN utilization > > I have a recollection that at one point VDE required the choke in the > ground > line of the LISN. Vaguely remembered it had to do with extremely long > build > grounds as in high rise buildings etc, or the possibility of no ground > wire. > I seem to remember some connection with shielded power cables as well. > Anyone else have any recollection of this? > Gary McInturff > > -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Friday, December 04, 1998 9:26 AM > To: Muriel Bittencourt de Liz > Cc: [email protected] > Subject: Re: Doubt on LISN utilization > > > > It is possible to get noise induced on all cabling at the same time. > In > this case it will be also be present on the ground lead. To reduce > this > noise "ground chokes" are used. It is also extra attenuation for > common > mode currents. > > Bob Heller > Senior EMC Engineer > 3M Company > ============================================================= > > > > (Embedded > image moved Muriel Bittencourt de Liz <[email protected]> > to file: 12/03/98 10:59 AM > pic11332.pcx) > > > > > Please respond to Muriel Bittencourt de Liz <[email protected]> > > > To: Lista de EMC da IEEE <[email protected]> > cc: (bcc: Robert E. Heller/US-Corporate/3M/US) > Subject: Doubt on LISN utilization > > > > > Hello All, > > I have a LISN from EMCO and it has a "Ground Choke". What's the goal > of > this Ground Choke? Is it really needed in the conducted > measurements? > Could somebody make this clear to me? > > Thanks in advance > > Muriel > > -- > > ================================================== > > Muriel Bittencourt de Liz > INEP - Instituto de Eletronica de Potencia > Universidade Federal de Santa Catarina > Caixa Postal - 5119 > 88.040-970 - Florianopolis - SC - BRASIL > Phone: +55.48.331.9204 - Fax: +55.48.234.5422 > e-mail: [email protected] > Homepage: http://www.inep.ufsc.br > > ================================================== > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > > << File: pic11332.pcx >> > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
