IEC 62674-1:2012 aims to define the terms needed to describe the inductors covered by this standard and provide recommendations for preferred characteristics, recommended performance, test methods and general guidance. This standard is intended for application to fixed surface mount inductors and ferrite beads. Learn more. … [Read more...]
New Three-phase EMI Filters Suppress EMI Emissions
LCR Electronics, Inc., a manufacturer of EMI filters and electronic control products, has released the 096C series of filters for high-current three-phase applications. The filters are designed to handle currents from 250 A to 800 A at 50°C (122°F) and are suited for high current applications that include solar and wind power inverters, uninterruptible power supplies (UPS), … [Read more...]
New Monolithic Flyback Regulator Simplifes DC/DC Converter Design
Linear Technology Corporation announced the release of the LT8300, a low quiescent current monolithic flyback regulator that significantly simplifies the design of an isolated DC/DC converter by automatically sensing the output voltage directly from the primary-side flyback signal, eliminating the need for an optocoupler, third winding or signal transformer. Linear Technology … [Read more...]
First Photovoltaic Inverter Supports 1500VDC Panel Operation
Radius Power, Inc. a designer and manufacturer of EMI and RFI Power Line Filters, has introduced the industry’s first family of DC Power Line Filter solutions supporting 1500VDC Open Circuit Central Inverters. By maximizing the operating DC voltage to the limit of the European Union’s Low Voltage Directive, DC currents are reduced. The new Utility-Scale Inverter filter … [Read more...]
Product Testing Without Test House Stay
EMI Solutions offers product testing with the help of Dr. Brett Robinson and team to help make sure designs are ready for full certification testing without a test house stay. EMI Solutions has more than 50 years of combined hands-on engineering, design and test experience to help solve EMI/EMC issues. It offers radiated and conducted emissions testing; sniff testing to the … [Read more...]
EMI Flexible Noise Suppression Ferrite Sheet
Intermark has announced a new EMI Flexible noise suppression ferrite sheet with higher loss and more flexibility. The product offers higher insertion for low-frequency band and achieves excellent performance in suppressing noise. It prevents cracking and scattering of ferrite with PET and adhesives and requires no fixture by adhesive tape. Learn more from Intermark. … [Read more...]
Standard for Use of RF Filters
IEC 62575-2:2012 gives practical guidance on the use of RF BAW filters which are used in telecommunications, measuring equipment, radar systems and consumer products. General information, standard values and test conditions will be provided in a future IEC standard. This part of IEC 62575 includes various kinds of filter configurations, of which the operating frequency range is … [Read more...]
Band Pass Filter Chip With User Selectable Passband Frequency
Hittite Microwave Corporation introduced the HMC897, a new band pass tunable filter chip that is ideal for pre-selection in advanced communications systems, military radar, EW/ECM, SATCOM, space, industrial and medical systems. Tunable over a 9 to 19 GHz frequency range, this new, ultra-compact, varactor-tuned MMIC filter is inherently stable and has small physical size and … [Read more...]
SMD Power Ferrite Designed for High Current Applications
A new SMD power ferrite has been designed for high current applications. The new WE-MPSB series are high-performance SMD power ferrites utilizing multilayer technology. They were designed specifically for the suppression of electromagnetic interference in power supplies and DC/DC converters. In contrast to common SMD ferrites, these components provide high impedance even at … [Read more...]
New Graphene Filter Design Could Make Wireless Communications More Flexible
A group of Columbia University Ph.D. candidates has developed a way to use a small sheet of graphene as a tunable resonator in a filter that is very small, low powered and easily tunable. This device could enable more versatile wireless circuits that would operate at many different frequencies while also able to integrate with existing silicon chip technology. The research … [Read more...]
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