How to Calculate Emitter Resistance in Widlar Current Source?
Emitter Resistance in Widlar Current Source calculator uses Emitter Resistance = (Threshold Voltage/Output Current)*log10(Reference Current/Output Current) to calculate the Emitter Resistance, The Emitter resistance in Widlar Current Source formula is defined as the opposition offered in the emitter region of the Widlar Current Source. Emitter Resistance is denoted by Re symbol.
How to calculate Emitter Resistance in Widlar Current Source using this online calculator? To use this online calculator for Emitter Resistance in Widlar Current Source, enter Threshold Voltage (Vth), Output Current (Io) & Reference Current (Iref) and hit the calculate button. Here is how the Emitter Resistance in Widlar Current Source calculation can be explained with given input values -> 0.000909 = (25/0.005)*log10(0.0076/0.005).