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Feedthrough capacitors technology and applications

  • Posted by doEEEt Media Group
  • On October 3, 2020
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One of the factors that greatly determine the performance characteristics of a capacitor is its geometry. The geometry of a typical feedthrough a capacitor differs from that of conventional capacitors. It is this structural difference that gives them their outstandingly good insertion loss characteristics. This low insertion loss is due to a design that ensures that the ground terminal side has zero residual inductance.
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New Planar X Series of RF Filters

  • Posted by doEEEt Media Group
  • On September 28, 2020
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    • 1 likes
Smiths Interconnect has introduced its new Planar X Series of RF filter solutions with bandpass, bandstop, lowpass and highpass configurations up to 18 GHz (Ku Band).
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Insertion-loss measurements of ferrite absorber sheets

  • Posted by doEEEt Media Group
  • On September 27, 2020
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    • 1 likes
The development of stealth aircraft brought about the use of ferrite absorber sheets, which have proven useful for damping cavity resonances at microwave frequencies. Since then, ferrite absorber sheets have become useful at mitigating EMI
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What is COTS in the space industry?

  • Posted by doEEEt Media Group
  • On August 11, 2020
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    • 1 likes
The drive to use COTS (Commercial Off-The-Shelf) components in the space industry is growing since these parts allow to obtain higher performance at the system level, which is difficult to obtain using currently available space components. However, the use of COTS components has an inherent risk because of the lack of confidence in the traceability and the long-term performance of these parts as well as the new concerns affecting mostly this type of products (RoHS, counterfeit parts, long-term reliability, etc.).
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Benefits of a coordinated procurement agency for EEE parts

  • Posted by Alvaro Real
  • On August 10, 2020
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    • 2 likes
As a result, the CPPA is considered the main focal point for EEE parts. ESA, Prime contractors and Users have at their disposal one single interface which controls the overall project procurement. This concept enables a wide range of advantages divided into three different temporary stages: pre-procurement, procurement and post-procurement.
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Diplexer Based on Coupled Resonators

  • Posted by Aintzane Lujambio Genua
  • On April 30, 2020
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The design of balanced diplexers deserves more attention. To the authors’ knowledge, two different kind of diplexers with differential operation have been proposed in the literature: balun diplexers, and balanced diplexers.
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Choosing the right blocking capacitors

  • Posted by doEEEt Media Group
  • On April 23, 2020
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Any engineer knows that capacitors are a fundamental building block in RF/microwave systems. Bypass networks are one example—they require capacitors to bypass ac signals to ground. For such cases, rules-of-thumb or approximate equations can be used to select the best capacitor for the job.
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