Active common-mode filter for capacitive-coupled isolated signalling

Capacitive coupling is a well-established principle in isolated signalling. A major challenge esp. in power electronics is common-mode transient immunity caused by the displacement currents at the coupling capacitors. Digital isolator integrated circuits (ICs) employ modulated signalling, the author...

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Veröffentlicht in:	Electronics letters 2020-01, Vol.56 (2), p.73-76
Hauptverfasser:	Angerer, M, Schwanninger, R, März, M
Format:	Artikel
Sprache:	eng
Schlagworte:	active common‐mode filter active filter circuit active filters AC‐coupled RS‐485 baseband signals bit rate 50 Mbit/s burst transients capacitive‐coupled isolated signalling Circuits and systems common‐mode component removal common‐mode currents common‐mode transient immunity coupling capacitors current mirrors differential signal line digital integrated circuits digital isolator ICs discrete semiconductors displacement currents filter structure integrated circuit integrated circuit design integrated circuit reliability modulated signalling positive transients power electronics power semiconductor control reliable data transmission signalling transformer‐less Ethernet transient analysis voltage 30.0 kV
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