ATA5423-PLQW RF/IF and RFID

Power - Output:	10dBm
Package / Case:	48-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Current - Transmitting:	6.5mA ~ 17.3mA
Current - Receiving:	10.3mA ~ 10.5mA
Voltage - Supply:	2.4 V ~ 3.6 V
Serial Interfaces:	SPI
Memory Size:	--
Sensitivity:	-116.5dBm
Series:	--
Data Rate (Max):	20kBaud
Frequency:	315MHz
Modulation:	ASK, FSK
Protocol:	--
RF Family/Standard:	General ISM
Type:	TxRx Only
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to ATA5423-PLQW

ATA5423-PLQW, developed by Atmel, is a RF Transceiver IC especially designed for active identification systems like ISO 14443 and 15693. It includes a complete transceiver, a low frequency oscillator (LFO) and a fast digital I/O interface.

Applications of ATA5423-PLQW

The primary function of the ATA5423-PLQW is the active identification of objects under electromagnetic fields. This type of object identification is based on the transmission of electromagnetic waves inside a specific operating frequency. ATA5423-PLQW is used in its respective environment to send out and receive signals from various micro-chip radiowaves, which ensures optimum performance. ATA5423-PLQW is useful in a wide range of areas such as contactless smart cards, NFC (Near field communication) devices, RFID readers, smart cards, access control systems, electronic wallets and robotic applications. Moreover, it is also used to send out radio waves with energy efficient features longer page times, faster data rate modulation and improved network capacity.

Working Principles of ATA5423-PLQW

The Atmel ATA5423-PLQW is capable of transmitting and receiving radio signals within a frequency range specified by the user. Its operation consist of a series of sequential steps which are initiated by the transceiver and the LFO.The process start when the LFO supplies a periodic signal to the transceiver, that generates an analog radio frequency signal, or LFO signal, which is injected into the antenna and propagates in the environment. This signal is then received by the ATA5423-PLQW\'s receiver antenna, which is also connected to the LFO, and the transceiver. The receiver demodulates the received signal and converts it into digital formats. The received digitized signal is further treated by the ATA5423-PLQW controller, which interprets and executes the data stored in the received signal. This could be, for instance, in the form of identification codes, commands, and so on. Finally, the ATA5423-PLQW controller sends the interpreted signals to the data output interface, which in this case is connected to an external reader, and the reader sends the signals to its processor for further treatment.

Conclusion

In conclusion, it is clear that ATA5423-PLQW is a powerful RF transceiver that can be utilized effectively for active identification of objects in the electromagnetic field. Moreover, its ability to send and receive radio signals efficiently within its specified frequency range, its low frequency oscillator and its fast digital I/O interface, make ATA5423-PLQW the perfect candidate for a wide range of applications.

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