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Opto-coupler applications suitable for low efficiency silicon based LEDs
Opto-coupler applications suitable for low efficiency silicon based LEDs
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机译:适用于低效率硅基LED的光耦合器应用
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摘要
Isolation circuits are shown which can be implemented using low efficiency LEDs such as those that can be made directly on silicon. Using silicon based LEDs results in reduced cost and facilitates the incorporation of many optically isolated channels using silicon chips separated with a transparent insulator. These circuits include a linear isolation device for analog signals, an isolated A to D converter, an isolated D to A converter, isolated buffer/driver circuits, isolated multiplexers, and isolated switches. Also, a microprocessor is shown with optically isolated I/O ports, A to D and D to A converters, a multiplexer, and solid state switches.
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