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RF/Microwave??

Multimode RF transceiver IC supports TD-SCDMA

Posted: 07 Sep 2007 ?? ?Print Version ?Bookmark and Share

Keywords:multimode support? RF transceiver? TD-SCDMA?

Quorum Systems Inc. has introduced an ultralow-power, multiband, multimode RF transceiver, the Sereno QS3200, which adds TD-SCDMA support to its existing 2G/2.5G/3G RF transceiver family.

Quorum's QS3200 single-chip multi-mode transceiver, implemented in bulk CMOS, simultaneously supports dual-band (1,900MHz and 2,000MHz) TD- SCDMA/HSPDA Category 10 and Quad-band (USGSM850, GSM900, DCS1800, PCS1900) GSM/GPRS/Edge.

Derived from Quorum's existing, QS3000 W-CDMA+EDGE transceiver, the QS3200 also integrates all six LNAs, requires no external Baluns, and its digital transmit architecture removes the need for external transmit SAWs for TD-SCDMA as well as GPRS/Edge.

Compared with conventional devices, the QS3200 eliminates four chips from the radio BOM, without the need for costly modules, according to the company. The integration of LNAs and removal of transmit SAWs and Baluns further reduces the resulting radio footprint and cost.

- Ismini Scouras
eeProductCenter




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