$useconstIg

Since DDCC solver is solved by input bias, therefore it is hard to obtain the exactly desired current density. $useconstIg is a command for the program to get a certain Ig value by tunning the bias itself to reach the required gate current. However, it is very time consuming. This function is used for BJT simulation we Ig is treated as base current to get IC versus V_CE current at a fixed base current density.

$useconstIg
Ig_value V_trial_min V_trial_max Vg_step_min Precision