基于dds的无线充电系统13.56MHz正弦波发生器

2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC) Pub Date : 2018-10-01 DOI:10.1109/AESPC44649.2018.9033236

A. Ridwan, A. Faroqi, H. Nusantara, A. Munir

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引用次数: 2

摘要

一个稳定的产生波的振荡器是无线充电系统的重要组成部分。建立振荡器的方法有很多，其中一种方法是使用直接数字合成器(DDS)。本文设计了一种基于AD9850 DDS模块的正弦波发生器，振荡频率为13.56MHz。采用AD9850 DDS模块作为发生器的主要组成部分，是考虑到DDS能产生稳定的波信号，且易于工艺设计。AD9850 DDS模块电路中集成了PIC16F628A型集成电路控制器，实现了对发生器输出的控制。从实验表征来看，所实现的基于dds的发生器可以产生频率为13.56MHz的稳定正弦波，输出信号电平为-20.29dBm，适合于期望的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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DDS-Based 13.56MHz Sine Wave Generator for Wireless Charging System

A stable oscillator for generating a wave is one of the important parts for wireless charging system. There are many methods to establish an oscillator featuring with some advantages, one of them is using direct digital synthesizer (DDS). This paper presents the design of a sine wave generator based on an AD9850 DDS module to oscillate at the frequency of 13.56MHz. The use of AD9850 DDS module as the main component of proposed generator is motivated by the features of DDS in producing a stable wave signal and the easier in process designing. To control the output of generator, an IC controller of PIC16F628A type is integrated into the circuit of AD9850 DDS module. From experimental characterization, the realized DDS-based generator could produce a stable sine wave at the frequency of 13.56MHz with the output signal level of -20.29dBm suitable for the desired application.

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来源期刊

2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC)

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