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Front-end module fits multiple Tx/Rx apps at 900MHz

Posted: 17 Jun 2010 ?? ?Print Version ?Bookmark and Share

Keywords:front-end module? ISM band? advanced metering infrastructure?

From RF Micro Devices Inc. comes the RF3858 front end module (FEM), which supports multiple Tx/Rx applications in the 900MHz ISM band, including Smart Energy/Advanced Metering Infrastructure (AMI).

The highly integrated, single-chip RF3858 addresses the increasing requirements for aggressive size reductions in the RF front end designs for portable equipment. The RF3858 combines a 1W 915MHz power amplifier capable of 31.5dBm of output power, with a DPDT Tx/Rx transfer switch with low insertion loss and high isolation, LNA with bypass mode, and a Tx harmonic filter.

The RF3858 reduces the number of external components by approximately 80 percent versus discrete designs, greatly minimizing product footprint, accelerating design-in time and reducing overall assembly costs. The RF3858 is packaged in a small 8mm x 8mm x 1.2mm over-molded laminate package with backside ground, minimizing next level board space and allowing for simplified integration.

The RF3858 is priced at $2.28 in quantities of 10,000 and is available immediately.

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