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austriamicrosystems introduces the AS3933, a 3-channel low-frequency wake-up receiver that enables battery powered systems to add remote wakeup capability. In addition, with best-in-class sensitivity of 80 µVrms, both range and BOM cost can be optimized while the lowest current consumption of 2.7 µA extends battery life. Featuring a wide receive frequency range - 15 to 150 kHz - the AS3933 offers flexibility to designers for a wide range of applications, including active RFID, high-value asset tracking, real-time location systems, operator identification, wireless sensor networks and access control or remote keyless entry. The AS3933 provides a digital RSSI (received signal strength indicator) value for each active channel, and supports a programmable data rate and Manchester decoding with clock recovery. It also includes an internal clock generator which is derived from either a crystal oscillator or the internal RC oscillator, and is the first such device to provide a built-in automatic antenna tuner that tunes the antenna to the desired carrier frequency.

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austriamicrosystems
http://www.austriamicrosystems.com