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Industry News

Sampling IF Filters and the Return of the Superheterodyne Receiver

Wireless systems-on-a-chip (SoC) have seen very high levels of integration in the last few years because the market is demanding reduced cost and low component count. Further to this trend, the integration of multiple standards has been introduced into the SoC. This integration strategy has caused superheterodyne receiver architectures...
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Transistor LC Oscillators for Wireless Applications: Theory and Design Aspects, Part II

Part I of this tutorial article 1 gave a detailed discussion and analysis of the start-up and steady-state oscillation conditions for transistor LC oscillators with emphasis on CMOS devices. Part II presents both linear and nonlinear phase noise models for the parallel feedback and negative resistance oscillators. Each approach...
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Harris Corp. Demonstrates Military Satellite Antenna Feed Prototype

Harris Corp. announced it has successfully completed multiple field demonstrations of a satellite antenna feed prototype that is capable of supporting selectable antenna polarization for orthogonal transmit and receive operations. The feed prototype achieved user data rates reaching an astounding 105 Mbps — more than 12 times the current...
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Northrop Grumman, Raytheon Closer to Flight Testing of New Radar Anetnna

Northrop Grumman, working closely with Raytheon Co., has reached three milestones in a program to modernize the B-2 stealth bomber’s radar system with an advanced, more reliable antenna. These achievements represent significant progress towards initial flight testing of the radar. Recently, the B-2 radar-modernization team passed a final design...
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Innos Joins Investigation into Materials Imaging Technique

Innos, a UK research and development company delivering expertise in silicon, MEMS and nanotechnologies, has announced its involvement in an ongoing EPSRC-funded project led by Queen Mary College London. The project is investigating the development of a new imaging technique — Scanning Photo-induced Impedance Microscopy (SPIM). With support from...
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R&S Goes Extra Terrestrial in Korea

Rohde & Schwarz has been commissioned to supply terrestrial digital multimedia broadcasting (T-DMB) transmitter systems for the world’s first T-DMB network in Korea. All of the various network operators involved in setting up the T-DMB transmitter networks in the country are being supplied with transmitter equipment by R&S. The...
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Ericson Sets Sail on Maritime Venture

SeaMobile Inc. and Ericsson have signed a three-year contract under which the companies will work together to provide wireless voice and data services at sea. Ericsson will supply a complete wireless network, including hosted core infrastructure and GSM radio equipment. Using this technology SeaMobile will offer global wireless communications...
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Infineon Builds Research Centre in Bucharest

Having established its new Romanian subsidiary in April this year, Infineon has moved quickly to construct the Bucharest Research Centre. This centre specialises in the development of power semiconductors with analogical and digital functions (power-mixed-signal) for applications in various industries, particularly automotive. Thus, the company is endeavouring to meet...
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