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RF TRANSCEIVER SAVES SPACE

A next generation RadioWire transceiver, the MICRF505, has been designed to save space and cost whilst increasing performance and ease of use.


The MICRF505 transceiver operates from 850MHz to 950MHz and supports frequency shift keyed (FSK) modulation at data-rates up to 200kbps. Many functions are user programmable including the frequency synthesizer, making the MICRF505 suitable for frequency hopping applications. Reducing the overall size and lowering the total bill of materials (BOM) has been the primary objective in the design of the new transceiver. Through high integration, the number of external components has been reduced to just a few capacitors, an inductor and a crystal. Packaged in a 5mm x 5mm MLF, the MICRF505 is designed to accommodate low cost, low accuracy crystals. To address this, Micrel has added a frequency error estimator to determine frequency mismatch between communicating transceivers and an internal crystal tuning mechanism to enable automated crystal tuning on-the-fly.
Micrel   


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