Ultrasound Analog Electronics Primer-超声波与模拟电子入门
作则：Bill Odom
翻译：黄周敏
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Modern technology is driving medical ultrasound machines to new heights of performance, resulting in images with new levels of clarity and resolution. Ultrasound is used for imaging in cardiac, obstetric, and many other diagnostic areas. Even as the abilities of the machines increase, the cost of machines is coming down. Although ultrasound relies substantially on digital processing, the key to its performance lies in a heavily analog technology. We will examine here the contributions of the analog and mixed-signal components used in ultrasound imaging. Naturally, since each element would by itself need a chapter or a book of its own to provide fully useful information for the system designer, this article is intended to provide an overview and furnish a basic understanding of medical ultrasound architecture. Though this article will barely scratch the surface of design objectives and rules; some of the issues to be raised will have relevance in a broader context of applications and are likely to be examined in greater detail in future articles.
介绍
调制解调技术正推进医疗超声器械进入了一个新的高度表现；图像的清晰度与分辨率也达一了个新的高度； 超声波成像技术被应用心血管，产科和其他的诊断领域。以至带来医疗器械的发展，降低医疗器械的成本；虽然超声技术基于数字处理器，但最关机的技术还是在模拟技术上；我们也贡献出在模拟与混频信号器件在超声领域的贡献；
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