The Atlanta, Georgia, company Kaltman Creations LLC has introduction of a new series of PC-based RF spectrum analyzers, specifically designed for the professional audio and video industries. Called Invisible Waves, these new analyzers are touted as the worlds first, PC-based RF spectrum analyzers which offer automatic charting of open white space (open RF frequency) for use … [Read more...]
Publisher Offers New Book On Electromagnetic Shielding
Touted as the definitive reference on electromagnetic shielding materials, configurations, approaches, and analyses, publisher John Wiley & Sons Inc. has released a new book, Electromagnetic Shielding” by Salvatore Celizzi, Rodolfo Araneo and Giampiero Lovat. Wiley says: This reference provides a comprehensive survey of options for the reduction of the electromagnetic … [Read more...]
American Medical Association Policy Encourages Doctors to Learn About EMI
The American Medical Association’s new policy, H-215.972 Use of Wireless Radio-Frequency Devices in Hospitals, encourages collaborative efforts with the Food and Drug Administration and other organizations to develop consistent guidelines for the use of wireless devices in hospitals.Other collaborative efforts encouraged are the development of standards for medical equipment … [Read more...]
Filter Series Is Optimized for DC Applications
The FMEB and the FMEC line of filters from Schurter, Inc. have been optimized especially for use in DC applications, especially those requiring increased attenuation of asymmetric disturbances. These devices have a current rating of 30 amps at 80 VDC and are offered in single and dual polarity output circuits. The single polarity FMEB has been crafted for a maximum operating … [Read more...]
EMI Filter Array Comes with ESD Protection
The EMF-25ESD and the EMF-35ESD are dual-function devices that provide both EMI filtering and surge protection thus conserving valuable PCB real estate. A zinc oxide varistor is used to enhance the devices’ EDS function. The EMF-25ESD has a cut-off frequency of 300 MHz, capacitance values of 25 pF, attenuation of 30 dB minimum at 0.8 ~ 1.0 GHz and 20 dB minimum at 1.0 ~ 2.5 … [Read more...]
EMI Filters Are Available with Optional Surge Suppression
EMI filters modules from Foster Transformer are available with optional surge suppression. These devices can be mounted with ¼-inch quick connect terminals, a feature that allows them to be used wherever needed for EMI suppression—even in multiple locations within one piece of equipment. The fully encapsulated construction of these device complies with EN 133200 and UL 1283, … [Read more...]
Company Introduces TVS Diode Arrays with the Highest ESD Protection Level Available
Packaged in miniature SOT23, SOT143 and SC70 (SMD) these ESD TVS diodes are ideally suited for space sensitive applications requiring contact discharge protection as high as 30kV when tested to IEC61000-4-2 International Standards. OnChip Devices, a manufacturer of Integrated Passive Devices, has introduced a family of miniature TVS diodes with very high protection levels … [Read more...]
New Handheld Tektronix Real-Time Spectrum Analyzers Show Live RF
Tektronix, Inc., a worldwide provider of test, measurement and monitoring instrumentation, announced the new SA2600 handheld Real-Time Spectrum Analyzer that includes DPX™ waveform image processor technology that provides a live RF view of the spectrum. DPX is now also available on the H600 “RF Hawk” handheld unit originally introduced in February. With these additions, … [Read more...]
WiFi Antennas Crafted for Reduced Interference and Flexible Coverage
The new WiMAX 2.5-GHz antenna from Andrew Corporation is a 65-degree, azimuth beamwidth, dual-polarized base station antenna that provides 18 dBi of gain and up to 10 degrees of electrical downtilt. Specifically, this antenna features Andrew’s proprietary Teletilt® variable electrical downtilt design—a feature that allow remote, temporary adjustment of the antenna to deal with … [Read more...]
Optic Rotary Encoder Targets Applications in MRI Units and Other Extreme EM Environments
The TD5207 from Micronor, a non-metallic fiber optic rotary encoder, has been designed especially for use in motion control systems operating in extreme electromagnetic fields. Medical diagnostic and research applications include MRI (magnetic research imaging) or NMR (nuclear magnetic resonance) tomography imaging systems. The encoder also serves as the control feedback … [Read more...]
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