MtronPTI, a manufacturer of custom RF/microwave filters and frequency control products, has released the new LF9454 and LF9455 GPS band reject filters designed to reduce cosite interference from jamming systems. “Battlefield success starts with controlling the electromagnetic spectrum; but electronic countermeasures – jammers – can drown out sensitive GPS receivers on the same … [Read more...]
High Power Filter Modules Offer Easy System Integration
The Schaffner Group, a provider of EMC and power quality solutions, has announced its ECOsine passive harmonic filters are now available as open frame modules with extended power rating up to 400 kW/50 Hz and 500 HP/60 Hz. According to the company, the new modular filter concept specifically targets the requirements of integrators and the challenges of fitting a large amount … [Read more...]
Ferrite Circulators and Isolators for Use in Wireless Infrastructures and DAS
Pasternack Enterprises, Inc., a manufacturer of RF and microwave products, has released new RF isolaters and circulators for use in wireless infrastructures and distributed antenna systems. According to the company, the new ferrite circulators and isolators cover many of the common communications bands including UHF, AMS, Tetra, Cellular, PCS, UMTS and LTE … [Read more...]
Bandpass Filter and Antenna Accessories Simplify Locating Network Interference in the Field
Anritsu Company has introduced new bandpass filters and a directional antenna for use with its Handheld InterferenceHunter designed to assist field technicians responsible for wireless network performance easily locate causes of network interference. The MA2700A InterferenceHunter handheld direction finding system, which incorporates a GPS receiver and antenna, electronic … [Read more...]
High Pass Filter Boosts Performance with High-Q Capacitors and Air Coil Inductors
Mini-Circuits, a provider of RF/IF and microwave components, has released its new RHP-700+ surface mount high pass filter built with high-Q capacitors and air coil inductors for superior performance. Ideal for square kilometer array telescope systems for radio astronomy and aeronautical/aviation, wireless communications service and maritime applications, the the new RHP-700+ … [Read more...]
New High Performance Passive Harmonic Filter Outperforms Active Filters
MIRUS International has introduced the LINEATOR High Performance (HP), a new high performance advanced universal harmonic filter (AUHF) (AUHF). Designed to enable efficiency gains of at least 2 percent, The LINEATOR is free of high frequency harmonics and noise issues associated with inverters used in active solutions. Unlike active front ends (AFE) and active harmonic filters … [Read more...]
Common-Mode Chokes for CAN and FlexRay Bus Systems
Electronic component manufacturer TDK Corporation has released the new ACT1210 series of common-mode chokes for both CAN and FlexRay bus systems. With compact dimensions of just 3.2 mm x 2.5 mm x 2.4 mm and a footprint approximately 45 percent smaller than that of existing components, the new ACT1210 series of common-mode chokes are the world’s smallest, the company said. The … [Read more...]
IEC 60358-3:2013: Coupling Capacitors and Capacitor Dividers – Part 3: AC or DC Coupling Capacitor for Harmonic-Filters Applications
From the International Electrotechnical Commission webstore: "IEC 60358-3:2013 applies to AC or DC single-phase coupling capacitor, with rated voltage higher than 1,000 V, connected line to ground with the low voltage terminal either permanently earthed or connected to a tuning device for harmonic-filters applications. It replaces Clause 1 of IEC 60358-1:2012." … [Read more...]
Power Grid, Mains Filtering and Power Line Communications… A Root Cause for Incompatibilities?
This article has been translated from Dutch to English. It can be found in its original language in the 2014 Europe EMC Guide. Mart Coenen, Owner, EMCMCC, the Netherlands The power grid is intentionally meant to distribute electrical energy at the mains frequency, as produced by the electricity generating plants, towards the end-users. The three-phase low-voltage distribution … [Read more...]
Practical EMC Filter Design and Optimization
NOTE: This article has been translated from German into English. It can be found in its original language in the 2014 EMC Europe Guide. Tobias Hofer EMC Consultant HSI Elektonik AG Switching power supplies can be found in nearly all electronic devices. The efficiency should be as high as possible. The no load condition should be in the milliwatt range. In contrast to that, … [Read more...]
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