Thursday, August 28, 2014

Build a Hi Low level Comparator Wiring diagram Schematic

Build a Hi-Low level Comparator Circuit Diagram, The voltage to be compared is fed through diode Dl and D2 to the voltage dividers Rl and R5 where the low and high limits are present. When the voltage level of an input signal exceeds the high threshold limit set with potentiometer Rl, the diode Dl becomes forward biased and the increased voltage on the inputs of the op amp drives it into positive saturation. Similarly, a decrease of the input voltage at the op amp inputs turns the op amp to positive saturation. Potentiometer R3 is used for zeroing the op amp in the off state.

Hi-Low level Comparator Circuit Diagram


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