Schurter, a manufacturer of fuses, connectors, circuit breakers and EMC products, has announced the expansion of its FMER series of high-current filters with the addition of a model designed for high power. The company also plans to offer the entire FMER series without Y capacitors. The FMER series of filers have UL approvals for ambient temperatures of 55°C and 75°C as well … [Read more...]
Bandpass Interference Filters for Life Science Instrumentation
Optical components supplier Edmund Optics has released new Techspec hard-coated 25nm bandpass interference filters for use in machine vision and life science applications. According to Edmund Optics, the new bandpass interference filters are ideal for “[eliminating] unwanted background noise while simultaneously enhancing the signal-to-noise ratio in imaging or machine vision … [Read more...]
IEC Power Entry Modules for Snap-In Mounting
Schaffner has released new FN 9264S IEC power entry modules with a 2-pole power switch version for snap-in mounting. According to the company, the standard version can be used for a panel thickness from 1.0 to 2.5 mm and features “very good damping characteristics and an outstanding performance/size ratio.” The FN 9264S series EMC/EMI filters are designed for a maximum … [Read more...]
UK 4G Mobile Network to Debut Despite Interference With Television Signals
The United Kingdom has begun the process of implementing the new “Everything Everywhere” nationwide 4G network despite concerns about its interference with digital TV provider Freeview. The new 4G mobile services will occupy the 800 MHz spectrum band alongside the 700MHz spectrum band occupied by Freeview. Experts theorize that approximately 2.3 million homes are expected to … [Read more...]
New Filters Prevent Interference Between VHF and TETRA Radios
Procom, a supplier of antennas, filters and combiner equipment, has released two new filters designed to prevent interference between VHF and TETRA radios. According to the company, the LP 170-FMA is a low-pass filter with a passband of 0-174 MHz and a stopband of 380-1000 MHz. When inserted into the VHF radio antenna cable, the filter protects the TETRA radio from interfering … [Read more...]
Integrated Circuits for EMI Reduction of Clock Dependent Signals
ON Semiconductor, a supplier of silicon solutions for energy efficient electronics has introduced a new series of active spread spectrum clock generator integrated circuits (ICs) to manage electromagnetic interference (EMI) and radio frequency interference (RFI) and deliver “system-wide EMI reduction of all clock dependent signals.” According to Ryan Cameron, vice president of … [Read more...]
Ferrite Cores – Standard Inductance Factor for Gapped Cores and its Tolerance
IEC 62358:2012 provides AL values (inductance factors) and their tolerances of Pot, RM, ETD, E, EER, EP, PQ and low-profile gapped ferrite cores. This edition includes a number of significant technical changes with respect to previous editions. Learn more. … [Read more...]
Practical Reasons for Shifting to the Application of Dielectric-Independent EMI Filters with Integral Surge Protection in Product Designs
Philip F. Keebler, D. Michael Evans and Nathan A. Reid KCE Engineering, LLC Knoxville, Tennessee 37918 Introduction The protection of equipment from threatening electrical disturbances that occur on the power grid and inside customer facilities and the protection of equipment from conducted disturbances (i.e., emissions) are critical to the life and operation of any electronic … [Read more...]
Filter for Interference Suppression in Test and Measurement, Medical and Industrial Equipment
Schurter Inc., a distributor of EMC products and components, has announced the 5123 series filter for use with interference suppression in test and measurement, medical and industrial equipment. The 5123 series filter is an upgrade of the previous 5120 series filter. According to a statement from the company, the new 5123 series filter is designed for nominal currents up to … [Read more...]
Filter for Avoiding Interference in Areas of Crowded Spectrum
Avago Technologies, a supplier of analog interface components for wireless, wireline and industrial applications, has announced design wins for multiple products based on their Film Bulk Acoustic Resonator (FBAR) filter technology for use in avoiding interference in multi-band smart phones operating in areas of “congested spectrum.” According to Bryan Ingram, Sr. Vice … [Read more...]
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