DIGITAL_TACHOMETER_COUNTER

Published:2009/7/10 3:02:00 Author:May | From:SeekIC

This circuit produces a readout for the digital tachometer circuit.IC9 is a 3-digit LED display driver,counter,and latch．IC8 drives the common－cathode LEDs,which are enabled by Q1,Q2,and Q3.See page 268，Fig.46-5 for the matching project．



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