The X2Y Integrated Passive Component from Syfer Technologies is a 3-terminal EMI chip device. It has been crafted to provide simultaneous line-to-line ground filtering using a single ceramic chip. Both differential and common mode filtering are provided by this one device. It can replace two or more conventional devices and is well suited to balanced lines, twisted pairs, and … [Read more...]
Clamp Filter Provides EMI Countermeasure for Automotive Electronics
The new ZCAT08V-BK and ZCAT12V-BK from TDK Corporation are being introduced as the industry's first automotive clamp filters suitable for use as a countermeasure for the effects of electronic noise on the cables that link a vehicle's various onboard ECUs. These filters are characterized by a unique structure consisting of a vertically split cylindrical ferrite core with an … [Read more...]
Expanded Inlet Filter Series Boasts Added Attenuation
The FN9233 inlet filter series from Schaffner EMC now includes the new FN9233E that features an earth line choke with approximately 6 dB more attenuation compared earlier devices. With a high symmetrical and asymmetrical performance, the FN9233E was developed for devices and switching power supply units that require a high level of interference suppression such as in … [Read more...]
EMI-Reduction, Portable Data Carrier Systems Suitable for Use in Harsh Environments
A new patent-pending line of immersion-rated receptacles from Datakey Electronics complements that firm's proven data carriers, thus providing OEMs with a one-stop system solution. The IP-67-EMI is one member of the SR4310 family of receptacles. The IP-67-EMI is immersion rated and provides advanced EMI protection. Like other versions of the SR4310 family, it is part of a … [Read more...]
IEC Issues Standard on Human Exposure to EM Fields from Household Appliances
The International Electrotechnical Commission (IEC) has published IEC 62233 Ed. 1.0 entitled "Measurement Methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure." This standard deals with electromagnetic fields up to 300 GHz and defines methods for evaluating field strength and magnetic flux density around household and … [Read more...]
IEC Issues Draft Standard on Radio Disturbance and Immunity Measuring Apparatus
A draft from Project CISPR 16-1-4 Amd. 2 Ed. 2.0 (2008 - 04) is entitled "Amendment 2 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-4: Radio disturbance and immunity measuring apparatus - Ancillary equipment - Radiated disturbances. This final draft international standard has a voting period of April 4, 2008 to … [Read more...]
CISPR EMC Standard on Vehicles, Boats, and Internal Combustion Engines
CISPR 25 Ed. 3 (2008-01) is entitled "Vehicles, boats, and internal combustion engines -Limits and methods of measurement for the protection of on-board receivers" CISPR 25:2008 contains limits and procedures for the measurement of radio disturbances in the range of 150 kHz to 2500 MHz. This standard applies to any electronic/electrical component intended for use in vehicles, … [Read more...]
IEC Issues Draft Standard on EMC Requirements for Measuring Relays & Protective Equipment
A draft from Project IEC 60255-26 is entitled "Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements. This final draft international standard has a voting period of March 21, 2008 to May 23, 2008. Those who purchase the draft, will receive a copy of the definitive version once it is published. Find purchase information at the IEC … [Read more...]
Laird Technologies Dedicates New Manufacturing Facility in India
USA-based Laird Technologies, known as a global source of EMI shielding and performance-critical products for wireless technologies, dedicated its new manufacturing facility in the Nokia Telecom SEZ (special economic zone) in Sriperembudur near Chennai. Laird Technologies is a unit of UK-based Laird Group PLC and employs over 14,000 workers in 14 countries around the globe. … [Read more...]
FCC Modifies PCS and AWS Power Limit Rules on Emissions and Power Limits
In a Third Report and Order released March 21, the Federal Communications Commission (FCC) has modified the rules governing broadband personal communications services (PCS) and advanced wireless service (AWS-1) to permit the use of a power spectral density model (PSD) when measuring and calculating emissions and power limits. The existing PCS and AWS-1 rules measure radiated … [Read more...]
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