IEEE Standard for Information Technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements Part 22.1: Standard to Enhance Harmful Interference Protection for Low-Power Licensed Devices Operating in TV Broadcast BandsLow-power, licensed devices operating in television broadcast bands, such as wireless … [Read more...]
Group Stresses Importance of Rigorous E-Toy Testing
As electronic toys prove more popular, toy manufacturers stand to benefit from the testing of their E-toys to ensure regulatory compliance in a number of areas including electromagnetic compatibility testing, according to the SGS Group. Radio & Telecommunications Terminal Equipment (R&TTE) Directive, electromagnetic compatibility testing and various kinds of electrical … [Read more...]
ISO/IEC Technical Report on Telecommunications Cabling Requirements
The International Organization for Standardization (ISO) / International Electrotechnical Commission (IEC) Technical Report, 29125:2010, targets the support of applications that provide remote power over balanced cabling to terminal equipment; covers the transmission and electrical parameters needed to support remote power over balanced cabling; covers various installation … [Read more...]
TIA 603: Land Mobile FM or PM – Communications Equipment – Measurement and Performance Standards
This standard provides definition, methods of measurement and performance standards for radio equipment used in the Private (Dispatch) Land Mobile Services that employ FM or PM modulation, for transmission of voice or data using analog or digital techniques, with a frequency of 1 GHz or less. This standard may be applicable to services other than those listed above. Use of this … [Read more...]
Arab States Convene to Unify Telecom Policy
Delegates from 14 Arab states gathered in Beirut recently to unify ranks over radio communication policy and to create a joint Arab agenda for the World Radiocommunication Conference (WRC) set to take place in 2012. One of the group’s primary goals is to secure radio-communication systems that are free of interference.Visit Zawya.com to learn more. … [Read more...]
HEMP Filter Design To Meet MIL -STD-188-125 PCI Test Requirements
ABSTRACT Philosophies for the best method of HEMP protection have been around for a long time. MIL-STD-188-125 -1 and -2 are more recent specifications for defining requirements for HEMP protection. They specify PCI (pulse current injection) testing techniques to demonstrate the integrity of the protection system, but require specialist test equipment capable of injecting high … [Read more...]
Real-time DVB Spectrum Analyzer
GAO Tek Inc. has launched its real-time DVB spectrum analyzer utilizing DSP (Digital Signal Processing) technologies. It is commonly used in telecommunication, DVB-C network installation and maintenance, broadcasting, CATV and EMC testing field and is appropriate for both indoor and outdoor applications. This real-time DVB spectrum analyzer, model 8821, operates at a frequency … [Read more...]
Understanding the Changes to FCC 5 GHz Part 15.407 Regulations
David A. Case, Cisco Systems, Richfield, OH In July of 2003, the International Telecommunications Union – Radio adopted Recommendation 229, allocating the 5150-5350 MHz and 5470-5725 MHz bands to mobile service, including RLAN systems.* The following year the FCC updated its Part 15.407 regulations to include the 5470-5725 MHz band, as well as require changes for devices that … [Read more...]
TÜV SÜD America Expands EMC Testing Capabilities
TÜV SÜD America recently announced the addition of Electromagnetic Compatibility Testing in a 10-meter EMC chamber in Rancho Bernardo, Calif. The facility will expand TÜV SÜD’s ability to provide transmitter and other wireless communications testing for a wide variety of products with customers in IT, telecom, automotive, military, aerospace, medical electronics, lab … [Read more...]
Residents Speak Out About Power Company Facility
Residents of Moreland, Australia are concerned about the future of the controversial planned expansion of a nearby electric company transmission facility. A power company spokesperson said a revised plan will “significantly reduce the required space for [the facility] by about 75 percent and also reduce the electromagnetic field by 90 percent.” Read more in the Moreland … [Read more...]
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