High-speed optocoupler drivers

The response time of a driver for an LED optocoupler is improved by adding a pedestal current component (Ip) to the LED drive on turn-on. The pedestal current speeds up or accelerates the turn-on process by providing an additional amount of current for a short period of time.

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Bibliographische Detailangaben
1. Verfasser:	DEREK BRAY
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PULSE TECHNIQUE TRANSMISSION
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Beschreibung
Zusammenfassung:	The response time of a driver for an LED optocoupler is improved by adding a pedestal current component (Ip) to the LED drive on turn-on. The pedestal current speeds up or accelerates the turn-on process by providing an additional amount of current for a short period of time.