基于AD9910的周界入侵探测系统信号源设计

doi:10.16180/j.cnki.issn1007-7820.2020.01.001

Abstract

Abstract:

Using AD9910 chip as the core of signal source frequency synthesizer and FPGA as the controller, two signal sources with their respective advantages were designed by combining hardware and software. In this way, the acquisition and output of a single carrier frequency pulse with a center frequency of 40~200 MHz and adjustable amplitude required by the perimeter intrusion detection system and its carrier were obtained. After the final test of the system, experimental data showed that the system had good stability. The spur of output signal was lower than -50 dBc, and the phase noise of the carrier was better than -60 dBc/Hz@10 kHz.

Key words: signal source design, AD9910, perimeter intrusion detection system, leaky coaxial cable, FPGA, DDS

CLC Number:

TN741

ZHAO Nengwu,LU Hongmin,XU Tao,HU Kuan,HE Chuanxia,MENG Xiaojiao. Design of Signal Source for Perimeter Intrusion Detection System Based on AD9910[J].Electronic Science and Technology, 2020, 33(1): 1-5.

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Design of Signal Source for Perimeter Intrusion Detection System Based on AD9910

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