A kind of signal glitch elimination circuit
A technology for eliminating circuit and burrs, applied in logic circuits, multiple input and output pulse circuits, electrical components, etc., can solve the problems of increasing area and affecting the accuracy of circuit burr elimination, so as to improve the scope of application and improve the accuracy of burr elimination , to ensure the effect of normal work
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[0030] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0031] figure 1 A schematic diagram of a traditional signal glitch removal circuit, such as figure 1 As shown, the circuit includes a resistive load, a capacitor, a Schmitt trigger, and an inverter. The traditional signal glitch elimination circuit filters the glitch noise below a certain pulse width by means of RC low-pass filter filtering and Schmitt trigger.
[0032] figure 2 It is the timing diagram under the normal input signal of the traditional signal glitch removal circuit, such as figure 2 As shown, the filter bandwidth is designed to be 250nS. Under normal circumstances, the traditional circuit can filter out the glitch noise with a pulse width of 200nS, while retaining the signal with a pulse width of 300nS.
[0033] image 3 It is the timing diagram of the different power supply input signal for the ...
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