Flicker Requirements of 61000-3-3

Calling experts on IEC or EN 61000-3-3 61000-3-11, I have a client who has a 4 channel, professional lighting dimmer device, designed to be used for small stage productions (schools etc). The device is failing 61000-3-3 flicker requirements. This device is designed to switch the lighting

Re: Flicker Requirements of 61000-3-3

In message nebbihdflagbliikmlbkmeddjhaa.kevin.richard...@ieee.org, dated Mon, 24 Nov 2008, Kevin Richardson kevin.richard...@ieee.org writes: I have a client who has a 4 channel, professional lighting dimmer device, designed to be used for small stage productions (schools etc). The device

Re: EMI Receivers

Tim, Many members answered your questions. Regarding calibration, I attach RS response from the sales manager, who sold me an ESU40 early this year, for your reference. In spite of what you may have read or heard, the ESU40 is calibrated in our Columbia Maryland facility unless you require

RE: 375MHz from 10/100Base-T

Hi Jim – Yes that is a typical Ethernet frequency! BTW I’d be interested in the fix! From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Knighten, Jim L Sent: Friday, November 21, 2008 2:17 PM To: emc-p...@ieee.org Subject: 375MHz from 10/100Base-T

Re: 375MHz from 10/100Base-T

Jim - Interesting topic! Have you looked into the various sub circuits? Does the hardware have separate MAC and Net Phys? (common configuration) If yes then what is the interface? Plain vanila MII or ?? see link and the see also at the bottom...

Electroendosmosis.

Hi Guys, Can you share your exp/knowledge on Electroendosmosis for thermoplastic insulating materials? This is also called in NEC Article 310 and considered as fire hazard for cable used in wet locations. I will appreciate any info on this. Regards. Sudhakar - This message is from

RE: 375MHz from 10/100Base-T

Jim, Chris is correct, it is the 3rd harmonic of the 125MHz. It is coming from the RJ45 connector. Using shielded cables will help. Proper layout is the fix, the transformer has the straddle signal ground and chassis ground planes. These planes should never overlap. Another trick I

Complinance Engineer position available at Garmin near Kansas City

All, My group has the following position open for a general compliance engineer - applicants can send resumes to me, or to Garmin's technical recruiter Michelle Cormack (michelle.cormack at garmin.com). The position would likely deal with automotive GPS products with possible Bluetooth and/or