Receivers include weather band radio

Housed in a 20-pin QFN package, the Si4736/7/8/9 radio receiver family includes weather band coverage. The Si4736 integrates AM/FM with weather band from antenna input to audio output and covers the frequencies between 162.40 and 162.55 MHz used to broadcast continuous 24-hour weather warnings, watches, forecasts, and other hazard information, as well as national security and public safety alerts throughout the U.S. and Canada.

The Si4736 also includes 1,050-Hz alert tone detection, which enables the radio to automatically turn on the receiver to play incoming warning alerts. The Si4737 and Si4739 family members integrate FM RDS/RBDS decoding to provide station and song identification to listeners, further improving the consumer experience. (From $3.06 ea/10,000; evaluation board, $150available now.)

Silicon Laboratories , Austin , TX
Sales 512-416-8500
http://www.silabs.com