| 基于FPGA的任意波形发生器的设计与实现 |
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| 引用本文： | 张波,杨威克,许力,周曦国,杜晓杰. 基于FPGA的任意波形发生器的设计与实现[J]. 电子工程师, 2009, 35(1): 12-13,57 |
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| 作者姓名： | 张波 杨威克 许力 周曦国 杜晓杰 |
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| 作者单位： | 天津师范大学计算机与信息工程学院,天津市,300387 |
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| 摘 要： | 提出了一种基于FPGA（现场可编程门阵列）采用DDS（直接数字频率合成器）技术的任意波形发生器设计方案。该方案的硬件电路以FPGA为核心器件，辅以D／A转换器、程控放大和人机接口电路构成。其中FPGA内部控制电路采用8051单片机软核为核心进行设计，信号合成电路采用VHDL语言设计数控振荡器实现，低通滤波器为采用窗函数法设计的16阶线性FIR数字滤波器。
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| 关 键 词： | 任意波形发生器 现场可编程门阵列 直接数字频率合成 FIR滤波器 |
Design and Implementation of Arbitrary Waveform Generator Based on FPGA |
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| ZHANG Bo,YANG Weike,XUE Li,ZHOU Xiguo,DU Xiaojie. Design and Implementation of Arbitrary Waveform Generator Based on FPGA[J]. Electronic Engineer, 2009, 35(1): 12-13,57 |
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| Authors: | ZHANG Bo YANG Weike XUE Li ZHOU Xiguo DU Xiaojie |
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| Affiliation: | College of Computer and Information Engineering;Tianjin Normal University;Tianjin 300387;China |
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| Abstract: | The design of an Arbitrary Waveform Generator(AWG) based on Direct Digital Synthesis technique and FPGA is proposed in this paper.The circuit hardware core device is FPGA and is supplemented by D/A converter,program-controlled amplifier and man-machine interface circuit.The control circuit in FPGA adopts 8051 soft-core.Signal synthesis circuit is implemented with Numerically Controlled Oscillators based on VHDL.The low-pass filter is a 16 order linear FIR digital filter designed by window function. |
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| Keywords: | arbitrary waveform generator FPGA direct digital synthesis FIR filter |
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