RE: Open Frame EMI Filters

1999-12-09 Thread Grasso, Charles (Chaz)
); Treg Listserv (E-mail) Subject: Open Frame EMI Filters Hello group, For years I have used off-the-shelf and custom EMI filters with a fully enclosed metal canister. Why is this enclosure required? Are there specific provisions in the standards? My idea is to build up the filter circuit

RE: Open Frame EMI Filters

1999-12-09 Thread Frank West
Hi Doug! Ignoring the EMC questions (as I can safely do, being a product safety division engineer at TUV!) the enclosure of the open frame supply would have to meet the same safety requirements as any other enclosure around a hazardous voltage circuit. The creepage and clearance distances

Re: Open Frame EMI Filters

1999-12-09 Thread Ralph Cameron
and Suppression of Consumer Electronics (After Sale) - Original Message - From: POWELL, DOUG doug.pow...@aei.com To: emc-p...@majordomo.ieee.org; Treg Listserv (E-mail) t...@world.std.com Sent: Wednesday, December 08, 1999 2:19 PM Subject: RE: Open Frame EMI Filters Hello once again, I have

RE: Open Frame EMI Filters

1999-12-09 Thread Art Michael
...@majordomo.ieee.org; Treg Listserv (E-mail) Subject:RE: Open Frame EMI Filters Hello once again, I have already received a number of replies to my query indicating that the metallic enclosure is required for low inductance coupling to the components or to prevent radiation between

RE: Open Frame EMI Filters

1999-12-09 Thread teckert
to POWELL, DOUG doug.pow...@aei.com To: emc-p...@majordomo.ieee.org, Treg Listserv (E-mail) t...@world.std.com cc:(bcc: Ted Eckert/SDD/NAM/APCC) From: POWELL, DOUG doug.pow...@aei.com on 12/08/99 04:19 PM Subject: RE: Open Frame EMI Filters Hello once again, I have already received

RE: Open Frame EMI Filters

1999-12-08 Thread POWELL, DOUG
Hello once again, I have already received a number of replies to my query indicating that the metallic enclosure is required for low inductance coupling to the components or to prevent radiation between circuits within the product. This is not my question. Please remember that one of the

Re: Open Frame EMI Filters

1999-12-08 Thread Ludger Revermann
Ludger Revermann -Ursprüngliche Nachricht- Von: POWELL, DOUG doug.pow...@aei.com An: EMC-PSTC (E-mail) emc-p...@ieee.org; Treg Listserv (E-mail) t...@world.std.com Gesendet: Mittwoch, 8. Dezember 1999 18:16 Betreff: Open Frame EMI Filters Hello group, For years I have used off

RE: Open Frame EMI Filters

1999-12-08 Thread Andrews, Kurt
: Wednesday, December 08, 1999 12:16 PM To: EMC-PSTC (E-mail); Treg Listserv (E-mail) Subject:Open Frame EMI Filters Hello group, For years I have used off-the-shelf and custom EMI filters with a fully enclosed metal canister. Why

Open Frame EMI Filters

1999-12-08 Thread POWELL, DOUG
Hello group, For years I have used off-the-shelf and custom EMI filters with a fully enclosed metal canister. Why is this enclosure required? Are there specific provisions in the standards? My idea is to build up the filter circuit on a printed circuit board and make it an integral part of