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D/RF transmitter IC operates from 450MHz to 6GHz

Posted: 31 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TechnoConcepts? direct-conversion digital-to-RF transmitter chip? TC-TX1000?

TechnoConcepts Inc. announced the upcoming release of what it touts as the wireless industry's first fully software-programmable direct-conversion digital-to-RF transmitter chip that can operate continuously over frequencies from 450MHz to 6GHz.

The TC-TX1000 D/RF transmitter chip will support both cellular base stations and handset applications, as well as automotive, emergency response, and other emerging wireless applications. Because it can operate continuously across a wide range of frequency bands, said the company, the TC-TX1000 chip is completely protocol-agnostic. The chip can also be programmed for multiple modes, including family radio, emergency, shortwave, all cellular protocols and GPS.

Utilizing TechnoConcepts' patented True Software Radio architecture, the TC-TX1000 transmitter receives a digital signal from the DSP and directly converts it to an RF signal, ready for transmitting by a power amplifier at the antenna. The True Software Radio technology, with its direct D/RF conversion, eliminates all active and passive electronic components usually associated with a conventional wireless transmitter, including the DAC section and all analog RF filtering and mixing sections, simplifying the electronics and producing a cleaner wireless signal.

In addition, the company is integrating its exclusive True Software Radio technology into Jazz's 0.18m SiGe process. The TC-TX1000 chip will come in an 88-pin MLF package with a 10-by-10mm footprint. TechnoConcepts expects that chip samples will be available to its partners as early as Q4 of this year and that shipment of full scale production units will start in Q1 2007.

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