Programmable hysteresis comparator
A hysteresis comparator and transistor technology, applied in pulse processing, electrical components, pulse technology, etc., can solve the problems of poor versatility and flexibility, and achieve the effect of strong flexibility and versatility
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[0020] The invention improves the structure of the traditional hysteresis comparator, realizes the adjustable hysteresis window width of the comparator by programming, improves the flexibility and versatility of the comparator, and can be conveniently applied in different environments according to actual requirements.
[0021] In a noisy environment, image 3 It clearly shows the advantages of the hysteresis comparator. In the figure, a signal containing noise is added to the input of the comparator without hysteresis. The function of the circuit is to make the output of the comparator follow the input signal. However, the noise changes near the threshold point. Make the output of the comparator full of noise, and improve the output by adding hysteresis. The hysteresis voltage must be equal to or greater than the maximum noise amplitude. figure 2 For the design of the traditional hysteresis comparator, the positive and negative thresholds of this hysteresis comparator are calculat...
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