(Transformers)
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Traditionally, little regulatory pressure is applied to reduce these emissions, but that picture now is beginning to change. Sensitive telecommunication systems and vital medical measuring and... (View Full Article)
(Power Supply and Conditioning)
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Switched-mode power supplies (SMPS) provide an ideal solution for meeting global power requirements. SMPS designs can automatically adjust for variations in input voltage by changing the pulse width... (View Full Article)
(Transformers)
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Adequate isolation between a power source and a user of electronic equipment ensures the safety of that equipment. Given the high voltages that exist in modern electronic equipment, proper isolation... (View Full Article)
(Transformers)
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Medical systems are designed according to extremely demanding requirements. Guided by such regulatory organizations as Underwriters Laboratories (UL) and the International Electrotechnical Commission... (View Full Article)
(Transformers)
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In today's international marketplace, manufacturers of electronic equipment are faced with a bewildering array of standards, covering everything from paint to circuit board material. If there was just... (View Full Article)
(Transformers)
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There is more than meets the eye in the insulation employed in transformers. Among the design and construction considerations are temperature and voltage ratings. To those unfamiliar with transformer... (View Full Article)
(Transformers)
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The Tranquility MP.r nasal CPAP System, manufactured by Healthdyne Technologies, Marrietta, GA, provides a comfortable and convenient means of treating obstructive sleep apnea syndrome. While... (View Full Article)
(Transformers)
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Efficiency is defined as the ratio of the output power to the input power, the difference between the two being the losses. The power losses of the transformer are comprised of core losses and copper... (View Full Article)
(Transformers)
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There is a lot of confusion about how UL applies its standards to equipment and components. Most designers know that they need components that "meet UL," but they may not understand what this really... (View Full Article)