Re: Do you need a license

#Paul Rampelbergh wrote: # # Is there a need to have a license to posses and operate EMC # measurement tools? # #In the UK... none that I know of. #-- #Regards, #Phil Ford You might like to check the situation with the following person; Steve Hewitt of the Radiocommunications Agency, Test and

Safety Requirements In Peru and Chile

Does anyone know what the safety requirements are for Peru and Chile. i.e., do they have their own safety agencies and/or standards which require additional evaluation or will they accept the major marks like UL and TUV? We are a power supply manufacturer whose customer makes an ITE (IEC950)

Re: MRA Planned for US and Pacific Nations

Correction - Michael Cusanelli kindly reported that Chinese Taipei is actually another name for Taiwan. So the only significant parties not signing the proposed MRA is Japan and Korea. Thanks Michael. Eric Lifsey National Instruments eric.lif...@natinst.com on 01/05/98 02:56:35 PM Please

Re: Noise in Power Lead

I've seen switchers cause noise envelopes and picket fences well into the MHz range. The switching freq is what (?) 100 kHz, 150 kHz ... But, for some reason a pulse with a 20 nano-second period makes me think that maybe a digital signal such as a square wave is getting differentiated by

Re: Noise in Power Lead

Bob Tims wrote: Happy New Year All, I have an interesting noise problem brought to me. The noise is a 500-900 mV pulse seen at 50 MHz on a power lead from a DC to DC converter (48V to 5V) to a VME cage. There were two scenarios: first, both the power supply and the cage are