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XE1209

Part Number	XE1209
Manufacturer	Semtech Corporation
Description	Ultra Low Power CMOS Transceiver
Published	Jan 19, 2009
Detailed Description	XE1209 Ultra Low Power CMOS Transceiver www.DataSheet4U.com XE1209 30 – 70 kH Ultra Low Power CMOS Transceiver GENERAL ...
Datasheet	XE1209 PDF File

Overview

XE1209 Ultra Low Power CMOS Transceiver www.
DataSheet4U.
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 frequency.
The local clock is based on a 32kHz crystal oscillator and a PLL to generate the required Local oscillator (LO) frequency.
The XE1209 has a simple interface with an external microcontroller.
KEY FEATURES • • • • • • Single chip transceiver Low cost Low external component count Ultra Low Powe...

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