Re: How to get regulatory information?

2006-10-13 Thread emc-p...@ieee.org
Many of the Nationally Recognized Test Laboratories have reference sections at their web sites. These are a few I have visited in the past. http://www.tuvps.com/services/icm/regfacts.cfm http://www.global.etlsemko.com/marketaccess/ http://www.ul.com/hitech/ite/services.html http://www.csa-internat

RE: How to get regulatory information?

2006-10-13 Thread emc-p...@ieee.org
For a single source, the one search engine to rule them all (apologies to Tolkien): Google. Now for some philosophy. There is no single source for "regulatory requirements". YOU are the single source. PyGoogle has the singular source [http://pygoogle.sourceforge.net/]. luck, Brian From: emc-p..

How to get regulatory information?

2006-10-13 Thread emc-p...@ieee.org
Through this forum, there have been many questions asked and answered about regulatory requirements (EMC, safety, telecom) in specific countries. I would like to find one reliable source that can assist us in determining what regulations and certification requirements exist for our type of product

Re: Voltage drop across an inductor - what is the limit?

2006-10-13 Thread emc-p...@ieee.org
Guys, What Don says is correct; but I don't know if it directly hits where the confusion comes from. I think that this is the confusion. The inductor is modeled as an ideal inductance in series with its Equivalent Series Resistor (ESR). The voltage across the ideal inductor is Vind=L*(di/dt)...