IQD Frequency Products has introduced the new IQXF-1000 series, a range of band-pass filters with center frequencies from 1.4MHz to 200MHz based around fundamental and third overtone mode crystals. The new two to 12 pole crystal filters can operate over a temperature range of –55 to +85 degrees C with a bandwidth @3dB from ±2kHz and with the passband ripple as low as 0.5dB and … [Read more...]
New Tunable Dielectric Material May Push Capacitor Performance
An international team of researchers based at Cornell University in Ithaca, N.Y. has announced the creation of a new tunable dielectric material—an insulator whose ability to store electrical charge changes when a voltage is applied—they say could benefit capacitor performance in smartphones and other electronic devices. “This is a radically different material compared to what … [Read more...]
Redesign Extends Portable Antenna Test Lab Capabilities
Microwave Vision Group’s StarLab, a compact and portable multi-purpose antenna test lab, has been enhanced with new capabilities and a new design. According to the company, the StarLab has undergone a complete transformation to give it extended capabilities as well as a new look for an improved user experience. The new StarLab now covers frequency bands as low as 650MHz and up … [Read more...]
IEC 62153-4-3:2013: Metallic Communication Cable Test Methods – Part 4-3: EMC – Surface Transfer Impedance – Triaxial Method
From the International Electrotechnical Commission webstore: IEC 62153-4-3:2013(E) determines the screening effectiveness of a cable shield by applying a well-defined current and voltage to the screen of the cable and measuring the induced voltage in order to determine the surface transfer impedance. This test measures only the magnetic component of the transfer … [Read more...]
Disney Walkie-Talkies Pick Up Crude Trucker Conversation
A Kent, Wash. family plans to file a complaint with the Federal Communications Commission after hearing a profanity-laced conversation between truck drivers over a pair of Disney Princess Royal Walkie-Talkies purchased for their nine-year-old child. "We picked up some things that she shouldn't be hearing, or any child should … [Read more...]
Field Strength Meter Evaluates Wind Turbine Effects on Radar Systems
German researchers have developed a device to help evaluate the potential for interference between wind turbines and radar instruments. Designed for suspension from a helicopter or small unmanned aerial vehicle (UAV), the device measures the strength of the electric field and the radar signals used in meteorology, defense or air traffic control, reports the Institution of … [Read more...]
Automotive Grade MLCCs Offer Reliable ESD Protection
Electronics company TDK Corporation has released the new CGA3EA series of automotive grade MLCCs, which meet the ESD immunity requirements according to the IEC 61000-4-2 standard. Available in package size 1608 (EIA 0603) with rated capacitances ranging from 1 nF to 10 nF and a rated voltage of 100 V, the new series is comprised of two lineups of MLCCs with different thermal … [Read more...]
20A Power Line Filters for Medical Equipment and High Current Applications
Electronic connections specialist TE Connectivity has released new Corcom 20A power line filters for medical equipment and other higher current applications requiring minimal leakage current. According to the company, the new 20A filters limit leakage current to less than 5µA and provide levels of filtering ranging from general purpose to superior performance. The insertion … [Read more...]
ParkerVision Wins Patent Infringement Case Against Qualcomm
ParkerVision, Inc., a developer and marketer of semiconductor technology solutions for wireless applications, has won the first phase of its patent infringement lawsuit against Qualcomm. The company filed a federal suit in 2011 seeking unspecified damages and injunctive relief for what it said was infringement of six of those patents related to radio-frequency receivers and the … [Read more...]
Patent for System and Method for Reducing Polarization Dependent Loss Cross-Talk Effects
The U.S. Patent and Trademark Office has awarded patent No. 8,543,000, “System and Method for Reducing Polarization Dependent Loss Cross-Talk Effects,” to Fujitsu Ltd. in Kawasaki-shi, Japan. According to background information provided by the inventors, the patent “relates generally to optical communication networks and, more particularly, to a system for compensating for the … [Read more...]
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