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Schmitt Trigger
Input Resistor (R1)
Ohms
Ground Resistor (R2)
Ohms
Feedback Resistor (R3)
Ohms
Inverting Input (V-)
Volts
Supply Voltage (Vcc)
Volts
Input Voltage High Threshold =
V-
+ ( R1 * (( Vi / R3 ) + ( Vi / R2 )))
Input Voltage High =
Volts
Input Voltage Low Threshold =
V- ( R1 * ((( Vcc - Vi ) / R3 ) - ( Vi / R2 ))
Input Voltage Low =
Volts
Input Voltage Mid =
V- * (( R1 + R2 ) / R2)
Input Voltage Mid =
Volts
Inverting Schmitt Trigger
Non-Inverting Input Resistor (R1)
Ohms
Feedback Resistor (R2)
Ohms
Non-Inverting Input Voltage (V+in)
Volts
Supply Voltage (Vcc)
Volts
Inverting Input Voltage High Threshold (V-in) =
Vcc - ( ( Vcc-V+in ) x ( R2 /(R2+R1)))
Input Voltage High =
Volts
Inverting Input Voltage Low Threshold (V-in) =
V+in x R2 /(R1 + R2)
Input Voltage Low =
Volts
Inverting Input Voltage Mid =
V+in * (( R1 + R2 ) / R2)
Input Voltage Mid =
Volts
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