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FEM targets smart energy, ISM band apps

Posted: 16 Jan 2013 ?? ?Print Version ?Bookmark and Share

Keywords:front end module? smart energy? advanced metering infrastructure?

RF Micro Devices Inc. (RFM) is set to uncloak what it says is a highly-integrated front end module (FEM) for smart energy/advanced metering infrastructure (AMI) applications. The firm's single-chip RFFM6403 FEM claims to deliver industry-leading performance, cut customer design time and speeds customer time-to-market in smart energy/AMI applications operating in the 405-475MHz frequency range, as well as for portable battery powered equipment and general 433/470MHz ISM band systems.

The RFFM6403 integrates a transmit high power path with a 30.5dBm PA and Tx harmonic output filtering, a transmit bypass thru path with Tx harmonic output filtering, and a receive path with a low noise amplifier (LNA) with bypass mode. The FEM also features a low insertion loss/high isolation SP3T switch and separate Rx/Tx 50 ports, simplifying matching and providing input and output signals for both the Tx and Rx paths.

The RFFM6403 is designed for AMI systems operating with high efficiency requirements and a minimum output power of 30dBm. In the receive path, the Rx chain provides 16dB of typical gain with only 5mA of current and an excellent noise figure of 1.7dB, said the company. The device is available in a 6 x 6 x 1mm form factor.

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