Computer starting circuit capable of preventing misoperation
A power-on circuit and action technology, applied in electronic switches, electrical components, electrical digital data processing, etc., can solve problems such as computer error flipping, and achieve the effect of stable triggering
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[0009] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
[0010] figure 1 The shown anti-misoperation computer start-up circuit includes a south bridge chip 2 composed of a trigger circuit 2-1, an oscillator 2-2 and memory CMOS, a power-on key 1 and an ATX power supply 5, a double-D flip-flop 6, and a double-D Pin 1 of flip-flop 6 is connected in parallel with pin 2 and pin 4 of double D flip-flop 6 through the seventh resistor R7 and connected with pin 9 of ATX power supply 5, pin 14 of double D flip-flop 6 is connected with ATX power supply Connect the 9th pin of 5; the 9th pin of ATX power supply 5 is connected to the power button 1 through the first resistor R1, the 9th pin of ATX power supply 5 is connected to the input end of 1117 low dropout linear regulator 4, 1117 low dropout linear regulator The output terminal of the voltage regulator 4 is connected to the input terminal of the trigger circuit 2-1; ...
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