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27 September 2012

RFMD launches 3.0-4.2V ISM-band Tx/Rx module with diversity transfer switch

RF Micro Devices Inc of Greensboro, NC, USA says that its new RFFM6904 is a single-chip RF front-end module (FEM) for applications in the 868MHz/900MHz industrial, scientific & medical (ISM)-band. Other applications include portable battery-powered equipment and wireless automatic metering.

The RFFM6904 addresses the need for aggressive size reduction for typical portable equipment RF front-end design and greatly reduces the number of components outside of the core chipset, minimizing the footprint and assembly cost of the overall solution, claims RFMD.

The FEM integrates a 2W power amplifier (PA), a high-isolation transmit/receive (Tx/Rx) transfer switch, a low-noise amplifier (LNA) with bypass mode, and matching components. Features include 50Ω inputs and outputs; low insertion loss; 33.5dBm of output power; and low harmonic content.

The RFFM6904 is packaged in a small-form-factor 32-pin, 8.0mm x 8.0mm x 1.2mm overmolded laminate package with backside ground which greatly minimizes next-level board space and allows for simplified integration, says RFMD.

This device is currently available in production quantities. Pricing begins at $5.70 each in 100-unit quantities.



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