The International Electrotechnical Commission (IEC) recently released the edition 1.1 of the IEC 61000-4-34 standard titled “Electromagnetic compatibility (EMC) - Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per phase.”IEC 61000-4-34:2005+A1:2009 defines … [Read more...]
RF Interference from Holiday Lights
Warning readers that some Christmas tree lights generate RF interference, the British Web site ISP Review suggests that tree lights and wiring be kept well away from telephone cables.Read more at the ISP Review Web site. … [Read more...]
New Switch Distribution Solutions for Surveillance Antenna Systems
Giga‐tronics recently added new switching systems specifically designed for low loss and high isolation of RF signals in multiple antenna surveillance systems, where many antennas need to be switched to multiple receivers. The Giga‐tronics surveillance antenna distribution system switching solutions are non‐blocking, and provide a true N x N system, where any antenna can be … [Read more...]
Espresso Engineering Presents: Murata
Steve Koster visits the Murata booth at the 2009 IEEE EMC Symposium, and discusses some of the new technologies Murata has to offer. In particular, they highlight the BLM15AX series ferrite beads that feature new improvements in terms of electrical performance and electrical characteristics. VIEW VIDEO … [Read more...]
FCC Clarifies Use of Recently Published ASC C63®
The FCC’s Office of Engineering and Technology (OET) has released a Public Notice to clarify the use of measurement standards for Part 15 compliance testing for intentional and unintentional radiators. Section 15.31 of the FCC’s rules states that certain intentional and unintentional radiators must be measured for compliance using the standard published by the American National … [Read more...]
High Density Connector Family with Integrated EMI Shielding
Molex Incorporated has introduced the Quad Small Form-factor Pluggable Plus (QSFP+) interconnect solution designed for a multitude of markets and applications, including switches, routers, Host Bus Adapters (HBAs), enterprise data centers, high-performance computing (HPC) and storage. Components of the system include the EMI shielding cage, passive cable assembly, active cable … [Read more...]
New Spectrum Analysis for Wi-Fi Networks
Bandspeed recently announced the introduction of its AirMaestro Spectrum Analysis solution, which includes a highly integrated radio-frequency signal analyzer IC, associated firmware and user-application monitoring software. Sold directly to OEMs and ODMs for integration in their system-level products, this solution enables systems to automatically and intelligently adjust … [Read more...]
Boeing to Perform EMI Testing for Australian Military
Boeing Defense Australia has signed an agreement to provide Electromagnetic Environmental Effects (E3) testing and design services to the Australian Defense Force aircraft and systems. The agreement will allow any operational Australian Defense Force unit to contract with Boeing to test for electromagnetic interference and its detrimental environmental effects on military … [Read more...]
Butterflies Offer a Hand (or Wing) in Curbing Counterfeiting
Scientists from QinetiQ North America and the University of Exeter plan to develop new anti-counterfeit and radio-frequency technologies, based on physical sciences research in the field of tailored electromagnetic materials made by studying the wings of butterflies. By understanding how the wing surfaces control light to produce iridescence, the team will apply the same … [Read more...]
New Sensor Interface for Automotive Unbiased Capacitive Sensors
austriamicrosystems, a global designer and manufacturer of analog ICs for communications, industrial, medical and automotive applications, expanded its interface product portfolio with the AS1716, a sensor designed for interfacing to Piezo Electronic capacitive sensors. The AS1716 operates from a single supply 4.5V to 5.5V. The device provides differential inputs, a first order … [Read more...]
- « Previous Page
- 1
- …
- 272
- 273
- 274
- 275
- 276
- …
- 364
- Next Page »
