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  3. ANSYS HFSS: Mitigating RF Desense — Part 7

ANSYS HFSS: Mitigating RF Desense — Part 7

Tagged: aggressors, antenna coupling, coupling, electromagnetic interference (EMI), electronics, EMIT, hfss, insertion loss report, pcb, radiated emissions, radio, radio-frequency interference, receivers, return loss report, RF Coexistence, RF Desense, RFI, smartphone, spread spectrum clocks, WiFi receiver
    • July 4, 2022 at 7:00 am
      Watch & LearnWatch & Learn
      Participant

      In this video, we run a Desense analysis for the improved design in EMIT. The video also offers a good overview of the EMIT user interface. Two metrics, namely EMI Margin and Desense are utilized in EMIT to identify all possible offenders and eliminate interference completely for this design. A commonly employed frequency modulation technique in electronics design known as Spread Spectrum Clocking is also described and defined in EMIT to significantly reduce electromagnetic interference (EMIT). All contributors of interference occurring within and outside the tuned channel are assessed and eliminated from the modified design of the PCB.

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