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Recent content by markpheus

  1. markpheus

    Decoupling fundamental frequencies of PCB and chassis using Steinberg Octave Rule

    Thanks Greg, I thought this much since the orthogonality of the respective modes is never mentioned! Do you know of a source for proof of this? Book, publication or something else I can reference? Kind regards, Mark
  2. markpheus

    Decoupling fundamental frequencies of PCB and chassis using Steinberg Octave Rule

    Hi guys, Just a question regarding PCB and PCB enclosure/chassis design. Steinberg states that the fundamental frequency of the PCB and chassis be decoupled by an octave or greater but mentions noting of PCB/Chassis relative orientation or mass participation. For example: If I mount a PCB...
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