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555 simplified double wires logical state judge circuit

2015-02-05 09:15  
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555 simplified double wires logical state judge circuit
555 simplified double wires logical state judge circuit
555 simplified double wires logical state judge circuit
555 simplified double wires logical state judge circuit
As shown on the figure 7-6, the judger consists of the 556 anddouble-color LED. The actable multivibrator consists of the the right side of 556 and R1,R2,C1. The left side of 556 makes up of the Schmitt trigger. Their 10 foot and 4 foot contact external signal. The double-color LED produces red and green light. The dual time base circuit's output level and the double color CRT's color-emitting change with the logical state of the X and Y.