Modeling voltage-controlled and temperature-dependent resistors
Analog Behavioral Modeling (ABM) can be used to model a nonlinear resistor through use of Ohm抯 law and tables and expressions which describe resistance. Here are some examples.
Voltage-controlled resistor
If a Resistance vs. Voltage curve is available, a look-up table can be used in the ABM expression. This table contains (Voltage, Resistance) pairs picked from points on the curve. The voltage input is nonlinearly mapped from the voltage values in the table to the resistance values. Linear interpolation is used between table values.
Let抯 say that points picked from a Resistance vs. Voltage curve are:
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