Bipolar to Unipolar Converter Example
The calculator solves the summing amplifier resistors based on the input and output voltage range requirements. It is a great tool to design a bipolar to unipolar converter, as an example and other circuits.
Enter the input range, Vin1 to Vin2, the output range, Vout1 to Vout2 and a reference voltage Vref which helps in adjusting the common-mode level of the amplifier. Since the 2-input summing amplifier has 4 resistors, you need to choose two resistors, R1 and R3, and calculate R2 and R4. For more details about this calculator read How to Design a Summing Amplifier Calculator.
Given Input Range
|Vin1 =||V||Vin2 =||V|
Required Output Range
|Vout1 =||V||Vout2 =||V|
Choose a Reference Voltage
Choose R1 and R3
|R1 =||kOhm||R3 =||kOhm|
Calculate R2 and R4
|R2 =||kOhm||R4 =||kOhm|
The default values show a bipolar to unipolar converter with the input range -5V to +5V and output 0 to 3V. If the results are negative or infinity you need to change the input data. Read How to Design a Summing Amplifier Calculator for help.
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