GENERAL DESCRIPTION

The XE1209 is a CMOS Ultra Low-Power transceiver for short-range low frequency RF data communications system. It uses 2-level Continuous Phase FSK modulation. The receiver section

includes the preamplifier, the down-converter, and the channel filters, the demodulator and the bit

synchronizer, which delivers synchronized data at the output. The transmitter section is composed of a Direct Digital Synthesizer (DDS), and the power amplifier generating a square-wave output current.

KEY FEATURES

•Single chip transceiver

•Low cost

• Low external component count

• Ultra Low Power

- Stand-by mode

- Carrier detection mode

-  Low-power receiver mode

• Unlicensed frequency band

• Short range applications; 1 to 3 meters

APPLICATIONS

•Remote control

• Short Range Wireless data

•Access control