The evolution of wireless communications technology, in combination with the incorporation of GNSS positioning into mobile devices and the increasingly crowded frequency spectrum, is increasing reliance on over-the-air testing and forcing the creation of new specifications, standards and testing procedures for electronic devices. Consumer electronics continue to strive for … [Read more...]
UK 4G Mobile Network to Debut Despite Interference With Television Signals
The United Kingdom has begun the process of implementing the new “Everything Everywhere” nationwide 4G network despite concerns about its interference with digital TV provider Freeview. The new 4G mobile services will occupy the 800 MHz spectrum band alongside the 700MHz spectrum band occupied by Freeview. Experts theorize that approximately 2.3 million homes are expected to … [Read more...]
Requirements of CISPR 16-1-1 Test Receivers, Spectrum Analyzers and FFT-Based Measuring Instruments
Stephan Braun, Arnd Frech GAUSS INSTRUMENTS GmbH, Munich, Germany I. INTRODUCTION With the expansion of the generic standard CISPR 16-1-1 to include spectrum analyzers and the “FFT-based measuring instrument”, the floodgates have been opened for a change in technology. The use of the spectrum analyzer for EMC measurements was included into the generic standard to be able to … [Read more...]
EMI/RFI Shielding Components for Printed Circuit Boards
Stork-Veco International, Inc., a manufacturer of two-dimensional, metal precision products, has introduced custom manufactured metallic EMI/RFI shielding components for integration into printed circuit boards and other electronic devices. According to the company, the advantages of utilizing photo-etched EMI/RFI shielding components include low-cost tooling that can be easily … [Read more...]
Consumer Electronics Show 2013
Title: Consumer Electronics Show 2013Date: January 08 - 11 2013Location: Las Vegas, NevadaDescription: The 2013 International Consumer Electronics Show is a major technology-related trade show to be held January 8-11, 2013 in Las Vegas, Nevada. Attendees will have the chance to view new consumer electronics products and innovations from more than 3,000 exhibitors. Technical … [Read more...]
Distributed Amplifier for Test Instrumentation, Military and Space Applications
Custom MMIC, a developer of performance-driven monolithic microwave integrated circuits, has released the CMD173, a wideband GaAs MMIC distributed amplifier die for applications from DC to 20 GHz. According to the company, the CMD173 is ideal for microwave radio and VSAT, military and space applications, telecom infrastructure and test instrumentation. The CMD173 incorporates … [Read more...]
Safety Requirements and Tests for Variable Transformers and Power Supply Units Incorporating Variable Transformers
IEC 61558-2-14:2013 deals with the safety of variable transformers for general applications and power supply units that incorporate variable transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard. This first edition cancels and replaces the chapter IV of the IEC 60989 published in 1991 and includes an update of … [Read more...]
Signal Generator for Testing of Narrowband Analog Radio Equipment
Anritsu, a manufacturer of radio frequency, microwave, optical, wired and wireless solutions, has released the MG3740A analog signal generator for evaluation of narrowband analog radio equipment used in public safety networks and private commercial networks. The analog signal generator is an “excellent -140 dBc/Hz SSB phase noise [that] optimizes the test signals outputted … [Read more...]
Satellite Providers Launch Initiatives to Combat Service Interference
According to panelists at the recent Content and Communications World conference held in New York City, satellite services are currently facing an increase in interference caused by human error, the inability to track faulty systems and intentional jamming by unfriendly governments. Citing the exponential growth of the business over the last 15 years, David Hartshorn, … [Read more...]
New Spread Spectrum Crystal Oscillator for EMI Reduction
Mercury United, a manufacturer of frequency control products, has released a new spread spectrum crystal oscillator (SSXO) for electromagnetic interference reduction in various electronic products. According to the company, the new oscillator is ideal for applications in printers, hand-held ID readers, medical devices, GPS navigation systems, scanners, projectors and modems. … [Read more...]
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