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March 03, 2008
Reducing front-end complexity in multimode handsets

Sequoia Communications' new SEQ7400 RF transceiver design uses direct-conversion techniques combined with an innovative W-CDMA LNA and notch filter scheme to meet the requirements of W-CDMA, GSM and Edge modulation schemes.




 
February 19, 2008
HEDGE transceiver supports multiple radio bands

At Mobile World Congress in Barcelona, Spain, Sequoia Communications displayed HEDGE transceiver’s capability to support HSUPA, TD-SCDMA, S-Band and GMR satellite specifications via extensive testing. Thus, making its HEDGE transceiver SEQ7400 the first true flexible radio, claims Sequoia. Originally introduced last May, the SEQ7400 is based on the company’s patented FullSpectra architecture, which includes the only transmitter in the industry to use polar modulation in all modes, according to the manufacturer. .




 
February 13, 2008
NXP prioritizes its cellular strategy

While NXP's Embedded Vector Processor (EVP) is a software-programmable platform for basebands, NXP's plan for multiple radios needed in future handsets remains a question.

Sequoia Communications, for example, already offers a multimode transceiver that has been verified to support HSUPA, TD-SCDMA, S-Band and GMR satellite specifications.




 
February 12, 2008
News Briefs for February 12, 2008



 
February 11, 2008
HEDGE Transceiver Supports TD-SCDMA, HSUPA, S-BAND AND GMR Specifications

Sequoia Communications has announced at Mobile World Congress that its SEQ7400 HEDGE transceiver has been verified to support HSUPA, TD-SCDMA, S-Band, and GMR satellite specifications via extensive testing, making it the first true "flexible radio." Originally introduced in May 2007, the SEQ7400 is based on the company's patented FullSpectra architecture, which includes the only transmitter in the industry to use polar modulation in all modes. This all-polar architecture enables this flexibility without the sub-optimal cost and power consumption that plagues traditional software-defined radio (SDR) approaches.



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