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首页> 外文会议>Proceedings of 2007 8th International Conference on Electronic Measurement Instruments >A MCU-Based Arbitrary Waveform Generator for SLH Power Amplifier Using DDS Technique
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A MCU-Based Arbitrary Waveform Generator for SLH Power Amplifier Using DDS Technique

机译：基于DDS技术的SLH功率放大器的基于MCU的任意波形发生器

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摘要

Arbitrary waveform generators are widely used to generate stimuli for under-testing devices, such as telecommunication system, magnetic storage devices and telemetry satellite. The arbitrary waveform generator introduced in this paper is implemented mainly to meet the needs of SLH(Switched Linear Hybrid) power amplifier. It consists of a MCU, a keyboard, a LCD module, a PC interface, and a LPF(Low Pass Filter). Waveforms are generated adopting DDS method. A program run on the PC creates digital representation of the desired waveform and sends it to MCU’s RAM. MCU then converts the digital representation to sampling analog data. The data points are sent to LPF to generate various waveforms. In addition to the creation of traditional waveforms, it can also generate arbitrary waveforms. Laboratory measurements are presented in the paper.
机译：任意波形发生器被广泛用于为低测试设备产生刺激，例如电信系统，磁存储设备和遥测卫星。本文介绍的任意波形发生器主要实现，以满足SLH（开关线性混合）功率放大器的需求。它由MCU，键盘，LCD模块，PC接口和LPF（低通滤波器）组成。采用DDS方法生成波形。 PC上的程序运行创建所需波形的数字表示，并将其发送到MCU的RAM。然后MCU将数字表示转换为采样模拟数据。数据点被发送到LPF以生成各种波形。除了创建传统波形之外，它还可以产生任意波形。实验室测量在纸上提出。

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