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Transcript
Electronic Measure and Test Unit 35 P4 and P7 part 2 A comparator is a device that compares two voltages and switches its output on or off depending on which is higher. If non inverting input (+) Is greater than the Inverting input (-) The out put is on A voltage divider is a circuit that produces an output voltage (Vout) that is a fraction of its input Vout is the voltage across the R2 Worked out by the resistor ratio Vout can be changed by Adjusting the resistance The threshold voltage Is set by the voltage divider The threshold is the voltage setting at which the comparator switches on or off. If Vin is greater than the Threshold then Vout will go on If Vin is lower than the Threshold then Vout will go off Simulate the circuit in MultiSim Find maximum value change Take screen shots and use illustrations Build circuit on breadboard Find maximum value change Compare results. Relate to theory Comparator used in industry example Comparator video on bluepill
