Clarifying MIL-STD-461 and EMI Filter Misconceptions

  • Posted by doEEEt Media Group
  • On March 19, 2020
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The US MIL-STD-461 specification manages electromagnetic interference emissions by setting limits on the levels that can be emitted from electrical equipment. This specification also sets regulation to control equipment susceptibility to external noise sources and establishes guidelines for properly measuring the relevant equipment features.

EMI Suppression Shields: Understanding the Basics

  • Posted by doEEEt Media Group
  • On March 18, 2020
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Magnetic sheets come in metal powder-, ferrite-, polymer- and metallized-based materials with each supplier’s material being unique. Each supplier can also feature data of their materials’ strengths and target applications in a variety of ways, thus leaving the intended user, at times, with many questions.

Bulk Head Mounted EMI Filters

  • Posted by Tomáš Zedníček
  • On February 23, 2020
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Advances in MLCC manufacturing have resulted in significant improvements in the voltage and capacitance capability to be packaged into ever-smaller capacitor case sizes. These advances have also positively affected Discoidal capacitors, used in most bulkhead mounted EMI Suppression Filters.

SMD Power Inductors

  • Posted by doEEEt Media Group
  • On January 2, 2020
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There are a multitude of SMD Power Inductors construction types available for the different types of application: Magnetically shielded and Unshielded

Toroidal Power Inductors

  • Posted by doEEEt Media Group
  • On December 30, 2019
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The selection of cores and windings of storage chokes are optimized for use in switching converters and DC-DC converters

Current Compensated Chokes

  • Posted by doEEEt Media Group
  • On December 30, 2019
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The effect of current-compensated chokes on coupled interference is used for data and signal lines. They are often the only option to avoid the interference suppression component affecting the useful signal
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