Ultrasound Poses Ultimate Test of Low-Noise Design Skills

Focus:

As in many other industries, companies in the medical equipment field that once designed and built their own ac-dc power supplies, now turn to power supply and contract manufacturers to develop and produce them. However, in these applications, the task of power design does not end with specification of the ac-dc supply, as there are significant power conversion challenges at the board-level. Examples of these challenges can be found in ultrasound imaging equipment where designers face exceptionally tough requirements for noise control in a product one industry expert describes as “the world’s most sensitive receiver.” This article discusses how the requirement for low noise influences many aspects of power design in ultrasound equipment. (See pages 46-49 of the source document.)

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Author & Publication:

David G. Morrison, Editor, How2Power.com, Power Systems Design Europe, Oct 29 2011

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