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Published September 28, 2006 From: Qing Sun, University of Manchester Dear Harlan, What is the relationship between coupling factor and frequency in couplers and the bandwidth of a coupler as a function of even/odd mode impedance? Dear Qing, The bandwidth of a coupler is not a function of coupling...

A key milestone for 3G has been reached by Anritsu , with the completion of the first 3GPP High Speed Uplink Packet Access (HSUPA) protocol conformance test case. HSUPA is a critical element in the delivery of high speed data rates on 3G mobile networks and this latest extension...

RFI Global Services has announced the completion of PCS Type Certification Review Board (PTCRB) accreditations for 2G, 3G and MMS (application testing) for all laboratories in UK, Taiwan and Korea as part of its commitment to provide full cellular mobile certification services close to cellular industry manufacturing bases around...

SUSS MicroTec , a global supplier of probe systems for wafer-level production and engineering test, is extending its activities in Taiwan through a partnership with the Taiwan-based PhotonWealth . Building on the successful cooperation in the sales of accessories for RF on-wafer measurements, the two companies decided to extend...

Sagem Défense Sécurité (Safran Group) has signed an agreement with a view to acquire the naval and ground business of Les Ulis site, part of the EADS Defence & Security Systems’ defence electronics business. The EADS Defence & Security Systems’ Les Ulis Naval and Ground business, which is located...

picoChip announced that its WiMAX solution is part of M/A-COM ’s recently announced 4.9 GHz VIDA broadband solution for Public Safety Grade Applications. This solution by M/A-COM, a business unit of Tyco Electronics, utilizes the standard WiMAX 802.16 protocol to deliver integrated, public safety-grade wireless broadband video and data...

Elcoteq SE , a global provider of electronics manufacturing services (EMS) for the communications technology industry, and Andrew Corp. have signed a global, long-term manufacturing supply agreement, which further strengthens Elcoteq's position as a strategic partner to Andrew Corp. in Europe and the Americas. The agreement is expected to...

Agilent Technologies Inc. announced a multi-year, multi-site agreement in which Peregrine Semiconductor has expanded its investment in Agilent Technologies' RFIC design tools, designed to boost productivity and production yields. "Our designers rely heavily on Agilent's EDA tools for their success," said John Sung, director of CAD engineering at Peregrine....

During the past few months, China has turned its attention to mobile TV. The State Administration of Radio, Film and TV (SARFT), the top regulator for the broadcasting industry, has made its foray into mobile TV with a plan to deliver TV content to handsets and a slew of...

VIDA Products highlighted its magnetically tuned oscillator (MTO) at last week's EuMW. This oscillator operates in the microwave and millimeter-wave frequency ranges. The VIDA MTO covers frequency bands from 4 to 12 GHz with a continuous tuning range of up to greater than a full octave. Nominal output power...