RE: CE marking/testing of military equipment

2002-10-30 Thread pwelling
Patrick, The UK military has their own standard for EMC. It is Defence Standard 59-41 part 3. Ross -Original Message- From: plaw...@west.net [mailto:plaw...@west.net] Sent: Wednesday, October 30, 2002 10:49 AM To: EMC-PSTC Subject: CE marking/testing of military equipment I have a

FW: Question on Receiver EMI testing..

2002-10-30 Thread pwelling
Charles, I have seen this before during an immunity test. It happened on a commercial product (not ours) on the IF and LO circuitry during a CE Mark test. Specifically, it happened with the feedback trace of an LO PLL used for the IF. The PLL circuitry was unshielded and a small band of

RE: EMI Coatings for Windows

2002-08-14 Thread pwelling
Hi, Many years back at another company I used a product similar to what you are describing. It is made by Southwall Technologies. The link is: http://www.southwall.com/products/display/shielding.html#altair This material is 10 to 20 Ohms/Square and they used to have other versions that were

RE: suggestion for 100W audio amp

2002-07-22 Thread pwelling
Hi Susan, We found that a McIntosh MC2100 (industrial packaged dual 100 Watt version amplifier) bridged works well for MIL-STD-461 CS101 Tests. This arrangement meets the required 2 Ohm source impedance. This paired up with the Solar Audio transformer can produce surprising amounts of current