Small-signal behavior At forward voltages less than the saturation voltage, the voltage versus current characteristic curve of most diodes is not a straight line. The current can be approximated by as explained in the Shockley diode equation article.
Small-signal behavior At forward voltages less than the saturation voltage, the voltage versus current characteristic curve of most diodes is not a straight line The current can be approximated by as explained in the Shockley diode equation article.