TDK-EPC’s new series of EPCOS 3-line EMC filters are designed for frequency converters and other power electronics applications. All types of the B84143*166 series have UL/CSA approval and are designed for currents of 10, 20 or 35 A at rated voltages of 520 or 300 V AC. These filters satisfy protection class IP20 specifications and are suitable for operating temperatures of up … [Read more...]
Low- Profile Clamp Filter for EMI Suppression
TDK-EPC has developed the ZCAT-D series of TDK clamp filters. The new low-profile filters are especially suited for EMI suppression by eliminating noise in the power lines of flat-screen TVs, in speaker lines, and similar applications. TDK clamp filters employ a vertically split cylindrical ferrite core, with the entire filter enclosed in a resin housing, a construction … [Read more...]
High Density Active EMI Filtering for DC-DC Converters
Vicor Corporation has introduced the Picor QuietPower® QPI-21 High Density Active EMI Filter for DC-DC converters. Supporting 48V DC-DC converter designs up to 14A for data communications and telecommunication applications, the QuietPower QPI-21 provides >99.5% efficiency. The QuietPower QPI-21 is packaged in a high density, one-square-inch Land Grid Array (LGA) surface … [Read more...]
EMV 2012 Showcases New, EMC-Relevant Technologies
EMV 2012, which wraps up today in Düsseldorf, Germany, showcased in an area of more than 3,500 square meters new, EMC-relevant technologies like eMobility, renewable energies and Smart Grid, as well as increasingly complex test and instrumentation systems. Check out photos from the show at the Interference Technology Facebook page. Here’s what some of the exhibitors had on … [Read more...]
Simplified Measurement of Radiated Spurious Emissions on LTE Devices
Rohde & Schwarz is taking a completely new approach to measuring radiated spurious emissions on LTE devices, making it considerably easier for users to measure RSE in the presence of LTE carrier power. The solution is the R&S OSP open switch and control platform equipped with the new R&S OSP-B155 option – at a price no higher than that of a conventional test setup … [Read more...]
EMC Sinewave Output Filters Convert Voltage Waveforms
The FMAC SINE and FMAC SINE DCL sinewave output filters from SCHURTER are designed for use in 500 VAC systems with currents of 4 A and greater. They are well suited for a wide range of applications such as frequency converters in uninterruptible power supplies, elevators, HVAC (heating, ventilating and air-conditioning) systems as well as traction and conveyer systems. Learn … [Read more...]
RF Chip Inductor Application Note
Laird Technologies, Inc. has published its newest application note titled “RF Chip Inductor Applications.”The application note explains how RF chip inductors are an integral part of many tuning and filtering circuits. Mainly used in the RF circuits in electronics systems, they reduce or eliminate electromagnetic interference (EMI) noise on the printed circuit board (PCB). The … [Read more...]
New Avionics/Mil DC-DC Power Product Catalog
VPT, Inc. has released an updated short form catalog for its avionics and military grade series of DC-DC power converters, EMI filters and other accessory products. The new catalog showcases the essential engineering specifications on more than 300 power products. VPT power products are suited for use in commercial avionics, military avionics, military ground vehicles, marine … [Read more...]
Automotive RF Immunity Test Set-up Analysis: Why Test Results Can’t Compare
Mart Coenen, EMCMCC bv, Eindhoven, the Netherlands Hugo Pues, Melexis NV, Tessenderlo, Belgium Thierry Bousquet, Continental, Toulouse, France ABSTRACT Though the automotive RF emission and RF immunity requirements are highly justifiable, the application of those requirements in an non-intended manner leads to false conclusions and unnecessary redesigns for the electronics … [Read more...]
New Three-Phase Filters Suppress EMI Emissions
LCR Electronics’ new 096C series filters for high current three-phase applications feature high inductance common mode coils to increase filter attenuation performance.Designed to handle currents from 250 A to 800 A at 50°C, these filters are ideal for high current applications such as solar and wind power inverters, uninterruptible power supplies (UPS), battery chargers, CNC … [Read more...]
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