FPGA中的高分辨率脉宽调制器

2007 3rd Southern Conference on Programmable Logic Pub Date : 2007-06-18 DOI:10.1109/SPL.2007.371737

Á. de Castro, G. Sutter, S. C. Huerta, J. Cobos

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引用次数: 17

摘要

脉宽调制(PWM)是一种非常常见的技术，用于不同的应用，从控制电机，开关电源转换器(电源)，音频放大器或照明系统。在其中一些应用中，脉冲频率在过去几年中增加了很多，以至于用经典(计数器)技术获得的分辨率不够。本文阐述了提高pwm分辨率的几种方法，并根据目前几乎所有FPGA的可用资源提出了一种新的方法。

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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High Resolution Pulse Width Modulators in FPGA

Pulse width modulation (PWM) is a very common technique used in different applications, from the control of motors, switching power converters (power supplies), audio amplifiers or illumination systems. In some of those applications, the pulse frequency has increased so much in the last years that the resolution obtained with classical (counter) techniques is not enough. This paper explains some methods used for increasing the resolution of PWMs and proposes a new method based on the resources available in almost every FPGA nowadays.

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2007 3rd Southern Conference on Programmable Logic

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