Simple Cable Quick Detector(74HC4017)

Published:2011/9/8 1:54:00 Author:Sue | Keyword: Simple Cable, Quick Detector | From:SeekIC

    The cable quick detector is mainly used to detect the connection and disconnection states of the computer LAN cable and other similar comprehensive digital network cable and analog cable, which is more convenient and quick than using multimeter. The circuit is divided into two parts---main circuit and remote circuit. Even if the cable's two terminals are not in the same place, it can also detect the circuit. As seen in the figure (a), the main circuit consists of clock generating circuit which is composed of IC1 phase reversal schmitt trigger 74HC14 and LED circuit in proper order which is composed of IC2. The figure (b) shows the remote circuit.



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