AS3991to Achieve Data Acquisition And Its Application

RFID technology is used in the field of things a very important technology, along with the rapid development of modern biotechnology and computer network technology, RFID technology has also been a revolutionary change, the applications of RFID cross-industry and even cross-regional gradually become a reality. This topic is in this context.This paper designs an AS3991chips based on the data collector, this data collector can real-time acquisition data and related to real-time data processing. The paper successfully the data collector used in the food safety field.This paper does a more comprehensive introduction to RFID technology firstly. Detailed description of the important concepts involved in the RFID technology will be carried out in this article, including an overview of RFID technology, RFID course of development, composition and classification of RFID systems, RFID technology standards, as well as RFID and barcode comparison.Then, the RF transceiver module detailed design, the AS3991chip data acquisition are described in detail, given the AS3991chip data transmitter and receiver principle, brief introduction to RF circuit design the basis of phase-locked loop circuit, and gives a simple block diagram.In addition, data acquisition in the electronic tag module design brief, the electronic tag is a very important part of the data acquisition device. RFID tags are smaller, but its function is very powerful. Programs written within the electronic tag can be read or written, storage specifications and practical data. Then, read and write capabilities in data acquisition module, detailed design, the module is the most central part of the data collector, the collector is to read and write function module to complete the data processing.Finally, the data collector is successfully used in the field of food safety. The data collected in the field of food safety applications can significantly enhance the transparency of the existing field of food safety can be effectively track and trace the sources and distribution of food. Figure [25] table [9] reference [55]...