RE: EN 61000-3-2:2000

2003-11-11 Thread Colgan Christopher [Soundcraft UK]
o:nei...@solid-state-logic.com] Sent: 11 November 2003 11:13 To: Colgan Christopher "[Soundcraft UK]; emc-p...@majordomo.ieee.org Subject: RE: EN 61000-3-2:2000 >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<

RE: EN 61000-3-2:2000

2003-11-11 Thread Colgan Christopher [Soundcraft UK]
I think we are in agreement that conformity to EN61000-3-2 is required for a mains powered product to comply with the EMC Directive (using the standards route). What puzzles me is, why does EN55103-1 (pro audio emissions) call up EN61000-3-2? Surely there is no need for the standard to do this?

RE: FCC part 15 verification

2003-10-02 Thread Colgan Christopher [Soundcraft UK]
Thanks for the replies. I'm now happy that an incidental radiator doesn't need Verification. But now I'm confused as to whether and audio amplifier is an incidental or unintentional radiator. As the amp does not intentionally generate energy over 9kHz (it merely processes it) would it not be an

FCC part 15 verification

2003-10-01 Thread Colgan Christopher [Soundcraft UK]
Hello all Sorry dumb question - I should know the answer to this: Does non-digital electronic equipment, such as an analogue audio ampifier, require FCC Verification? Thanks and regards Chris Colgan This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discuss

RE: EN 50083-2

2003-10-01 Thread Colgan Christopher [Soundcraft UK]
I read in !emc-pstc that Colgan Christopher [Soundcraft UK] wrote (in <8B639EA607AFD311901D00062938706307102 75D@SCFTUKX1>) about 'EN 50083-2' on Tue, 30 Sep 2003: >CDNs are not that difficult to make yourself.  I made several types >using tinned copper sheet for th

RE: EN 50083-2

2003-09-30 Thread Colgan Christopher [Soundcraft UK]
This is a multi-part message in MIME format. CDNs are not that difficult to make yourself. I made several types using tinned copper sheet for the case - it is easy to cut, bend and solder. The standard gives you the dimensions and component values, just use normal RF techniques such as keeping le

UL & CSA standards date of expiry

2003-08-22 Thread Colgan Christopher [Soundcraft UK]
Greetings Can anyone direct me to a website that gives the date of expiry or withdrawal of UL and CSA standards? That is, something similar to the EN standard EMC and Safety reflists on Europa. I have scoured the UL & CSA websites but to no avail. I am particularly interested in CSA E60065 and

UL & CSA standards date of expiry

2003-08-22 Thread Colgan Christopher [Soundcraft UK]
Greetings Can anyone direct me to a website that gives the date of expiry or withdrawal of UL and CSA standards? That is, something similar to the EN standard EMC and Safety reflists on Europa. I have scoured the UL & CSA websites but to no avail. I am particularly interested in CSA E60065 and