XE1209 Ultra Low Power CMOS Transceiver com XE1209 30 – 70 kH Ultra Low Power CMOS Transceiver 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.
The XE1209 has carrier detector to detect the presence of a signal at the carrier freq...

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