Electronic Design
FSK Transceiver Integrates Star Network Manager

FSK Transceiver Integrates Star Network Manager

The AS3940 unfurls as the first fully integrated 2.4-GHz, multi-channel FSK transceiver with an integrated link manager for controlling star networks with as many as eight clients. It delivers data rates from 250 kb/s up to 2 Mb/s and specifies a sensitivity figure of -100 dBm at 250 kb/s and -92 dBm at 2 Mb/s. Other features include a digital received signal strength indictor, real-time-clock and programmable clock output, Gaussian filter, PLL and loop filter, programmable output power, battery voltage detection, and adaptive channel switching/support of frequency hopping. Available in a QFN-32 measuring 5 mm x 5 mm package, the device operates with a 2.2V power supply over a temperature range of -40°C to +85°C. Price for the AS3940 is less than $3 each/1,000. AUSTRIAMICROSYSTEMS USA INC., Raleigh, NC. (919) 676-5292.

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