Simplied Cable Quick Test (74HC4017) Circuit Diagram

Published:2011/6/26 0:53:00 Author:Vicky | Keyword: Simplied Cable Quick Test | From:SeekIC

Cable Quick Test is mainly used to test the on-off situation of regional computer network cable and the analogous comprehensive digital cable and analog cable. It is much easier and quicker than multimeter. The circuit is divided into main circuit and remote circuit, so it can still be used to test even if the two ends of the cable are in different places. The main circuit constitutes a clock generating circuit which is composed of IC1 invert Schmidt trigger 74HC14 and a luminous diode LED sequent-lighting circuit which is compose of IC2. It is shown in picture(a). The roment circuit is shown in picuture (b).



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