The MPQ1000 handheld power quality analyzer has features which make it ideal for troubleshooting, compliance testing and energy audits. Auto CT identification eliminates potential errors due to wrong CT range settings. The analyzer will automatically identify the CT and verify it is connected correctly. This means you can be confident you will have the correct data. Auto … [Read more...]
Personal Protective Equipment (PPE) Evaluation Methods of Static Control Gloves for ESD Integrity
Static Control gloves can be classified as Personal Protective Equipment (PPE) to reduce the risk of electrostatic discharge (ESD). There are several types of ESD Gloves: Nitrile, Vinyl, Latex, Rubber and humidity independent conductive carbon/nylon yarn gloves as illustrated in Figure 1 above. Due to an astounding rise in the number of non-compliant and suspect … [Read more...]
300 W Medical AC-DC Power Supply Series Complies with 4th Edition EMC Standards
CUI’s Power Group today announced the addition of a compact 300 W series to its line of internal ac-dc medical power supplies. The VMS-300A series, available in industry standard 3” x 5” open frame and metal enclosed packages, delivers efficiencies up to 94% and high power densities up to 14.5 W/in3. Meeting EN 60601-1 edition 3.1 safety standards and 4th edition EMC … [Read more...]
Review: EMC – Methods, Analysis, Circuits, and Measurement
Electromagnetic Compatibility - Methods, Analysis, Circuits, and Measurement, David Weston, CRC Press, 2017 (3rd edition) While I've reviewed many books on EMC, this one by David A. Weston, is the most complete in coverage yet. The 1157-page book covers not only basic and advanced theory of EMC, but includes product design, commercial and military measurement techniques, and … [Read more...]
2017 DoD E3 Program Review – After Action Report
By Brian Farmer on behalf of the DSO E3 Program Review Team After a five-year hiatus, the 2017 Department of Defense (DoD) Electromagnetic Environmental Effects (E3) Program Review was held April 3 - 7 at Lackland Air Force Base, San Antonio, TX. Over 60 technical presentations were delivered throughout the week, three working groups were convened, 12 exhibitors displayed … [Read more...]
HORIBA MIRA and Coventry University Launch Autonomous Vehicle Research Centre
HORIBA MIRA, a world-leader in vehicle engineering, research and product testing has joined forces with Coventry University to launch a brand new automotive research centre dedicated to developing intelligent, connected vehicle technology. The Centre for Connected & Autonomous Automotive Research will pioneer and test new developments to support the rapid growth within … [Read more...]
Measuring Common Mode Versus Differential Mode Conducted Emissions
When faced with excessive conducted emissions from switching power supplies, one of the first things to investigate and to determine the adequacy of is the power line filter. Line-powered switching supplies generally have both common mode and differential mode sections of the filter as shown in the generalized schematic in Figure 1. When using a line impedance … [Read more...]
DC-DC Converter Uses Spread Spectrum Clock to Reduce EMI Noise
Ricoh Europe has launched a high-efficiency, 2A synchronous step-down DC/DC converter with a wide input voltage range up to 30V that has two options to minimise electromagnetic interference (EMI). The R1275 allows connecting to a variety of input sources, such as battery-powered portable devices, industrial supplies and automotive batteries. It uses a Spread Spectrum Clock … [Read more...]
New Low-Cost Regulated SIP8 DC/DC Converters Launched
RECOM’s new regulated DC/DC converters RSE (2 Watt) and RSOE (1 Watt) series were developed for a variety of industrial, transport, test & measurement which require on-board 5V power supplies; the cost-effective converters operate at extreme temperatures from -40°C up to +80°C at full load. The fully upgraded DC/DC converters are offered with nominal 2:1 input voltages … [Read more...]
New High Current Shielded Power Inductors Introduced
Coilcraft's SER1400 Series High Current Shielded Power Inductors are designed for high current power supply applications, and AEC-Q200 Grade 1 (−40°C to +125°C) — SER1412 only. They come with flat wire windings for exceptionally low DCR, and have specially formed terminations to provide a small footprint. Versions for high Isat applications and high Irms applications are … [Read more...]
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