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Industry News

Retrospective: The MTT Symposia

A look at the first 25 years of the MTT National Symposium (IMS) written by MWJ founding editor Ted Saad. Copyright 1983 IEEE. Reprinted from IEEE Transactions on Microwave Theory and Techniques, Vol. MTT-31, no. 9, September 1983, The MTT Symposia, Th...
THE FIRST SYMPOSIUM sponsored and financed by, and designated as the Annual Meeting of the Professional Group on Microwave Theory and Techniques of the Institute of Radio Engineers, was held at the Western Union Auditorium in New York City on May 9 and 10, 1957. However, from the formation...
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Improving Multi-carrier PA Efficiency Using Envelope Tracking

Modern complex modulation schemes have the disadvantage of requiring linear power amplification characteristics, which compromises overall system efficiency because RF power amplifiers (RFPA) are much less efficient when operating in the linear region than they are at maximum power. The power amplifier and its associated components consume up to...
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New Waves: MTT-S Product Showcase

The following booth numbers are complete as of April 8, 2008. Heavy Wall Waveguide A-Alpha Waveguide offers heavy wall WR62, WR75, WR90, WR137, WR159, 6061 aluminum waveguide tube as well as WR62, WR75, WR90, WR112, WR137, WR187 heavy wall OFHC copper waveguide tube. These sizes along with all standard...
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Conformity For ELVA-1 in Russia

ELVA-1 Millimetre Wave Division has received Certificates of Conformity from the Russian Federation’s Ministry of Information Technologies and Communications (MITC) for its wireless communications technologies PPC-80/70 and PPC-95/92 digital radio links, providing data transmission up to 1250 Gbps. As the company continues to expand its presence in broadband markets...
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Indra Gains Pleidaes Space Contract

In a contract with the Spanish Ministry of Defence worth €13.7 M, to be concluded in three years, Indra will develop, integrate and implement the ground segment of the Pleidaes Space Programme, a French constellation of high-resolution optical satellites for Earth observation. The systems to be implemented by Indra...
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A Modified Wilkinson Power Divider With Harmonic Suppression Characteristic

ABSTRACT This paper presents design, simulation and test results of a modified corporate type Wilkinson power divider / combiner in microstrip configuration where all the λ/4 branch line impedances have equal characteristic impedances (Z o ) instead of conventionally used π2Z . Electronic Band Gap (EBG) structure employed by...
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Motorola to Create Two Companies

Motorola’s Board of Directors has commenced a process to create two independent, publicly-traded companies. The move follows evaluation of the structural and strategic realignment of the company’s businesses and represents affirmative steps to position its Mobile Devices and Broadband & Mobility Solutions businesses for success, while creating value for...
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TNO and SINTEF Strengthen Collaboration

Research organizations TNO (the Netherlands) and SINTEF (Norway) have signed a Memorandum of Understanding (MoU) to develop and market their joint services in a number of fields of technology. The agreement was signed by Tini Colijn, member of the TNO Board of Management, and Unni M. Steinsmo, president and...
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Software-defined Radio: The Next Wave in RF Test Instrumentation?

Test equipment manufacturers are constantly challenged to develop new solutions for testing their customers’ latest devices, but they’ve traditionally developed specialized hardware to meet this challenge. The communications market is still more challenging due to the rapid development of new standards, which often require new stimulus and measurement capabilities....
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ANSYS to Acquire Ansoft

ANSYS and Ansoft Corp. have signed a definitive agreement whereby ANSYS will acquire Ansoft for a purchase price of approximately $832 M in a mix of cash and ANSYS common stock. Under the terms of the agreement, which was unanimously approved by the Boards of Directors of both companies,...
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