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0 Voltage Switching Circuit Diagram


This is a simple 0 Voltage Switching Circuit Diagram. In this simple circuit the SCR coupler circuit provides higher sensitivity to input signals as illustrated. This allows the lower cost 4N39 (H11C3) to be used with the > 7 mA drive currents supplied by the input circuit.

0 Voltage Switching Circuit Diagram


0 Voltage Switching Circuit Diagram

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