Serial Interfaces:	SPI
Package / Case:	Module
Operating Temperature:	--
Mounting Type:	Through Hole
Current - Transmitting:	--
Current - Receiving:	14mA
Voltage - Supply:	2.4V
Memory Size:	--
Utilized IC / Part:	XE1283
Antenna Type:	Not Included, RP-SMA
Series:	TrueRF™
Sensitivity:	-113dBm
Power - Output:	15dBm
Data Rate:	152.3kbps
Frequency:	915MHz
Modulation:	FSK
Protocol:	--
RF Family/Standard:	General ISM
Part Status:	Obsolete
Packaging:	Bulk

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RF Transceiver Modules

Introduction

A Radio Frequency (RF) Transceiver Module is an integrated circuit which consists of a transmitter and a receiver for data transfer purposes. A transceiver module is commonly used in wireless communications as it contains all the components required to process data from one transmission point to another. The XM1283C915XE1 is one such RF Transceiver Module and this article aims to discuss the application field as well as the working principle of this particular module.

Application Field

The XM1283C915XE1 module is mainly used in Short Range Devices (SRDs) and IEEE 802.15.4. Wireless personal area networks (WPANs). This module provides an ideal radio frequency interface to the microcontroller for designing systems supporting the 2.4 GHz ISM band as well as sub-GHz bands for smart meters, security and home automation systems. Furthermore, this transceiver, along with its embedded software stack, supports both mesh networking and star networking configurations for WPANs while providing a great data rate of up to 250 Kbps.

Working Principle

The XM1283C915XE1 module consists of an integrated microcontroller, transceiver, and RAM. The microcontroller is used to control the operations of the transceiver which in turn is responsible for transmitting and receiving the data. The RAM is used to store data required for the operation of the module.When the XM1283C915XE1 is powered on, the microcontroller powers up and initializes the RAM. Then, it initializes the transmitter by setting up the frequency, output power level, symbol rate, phase-shift keying, and other parameters. After the initialization, the transmitter is ready to start transmitting data.When transmitting data, the microcontroller will write the data to the RAM and then start the transmission sequence. The data written to the RAM is then encoded and modulated by the transceiver.The transceiver then transmits the data over the air using antenna. The transmitted data can then be intercepted by the receiver of the intended recipient.When receiving data, the XM1283C915XE1 first receives the signal from the transmitter through its antenna and then demodulates it. The demodulated signal is then decoded and written to the RAM. The microcontroller can then take control of the received data and perform the necessary operations.

Conclusion

The XM1283C915XE1 is an advanced transceiver module which can be used for building wireless communication systems. It is mainly used in Short Range Devices (SRDs) and IEEE 802.15.4 WPANs and provides utmost reliability resulting in robust communication. The working principle of the transceiver module involves initializing the necessary parameters for transmission, encoding and modulating data, transmitting data, demodulating and decoding data and finally writing it to the RAM for processing by the microcontroller.

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