Fri Feb 7 19:52:59 CET 2014

Dependence on V_T

IIRC, it's bad practice to have a circuit's operation depend on V_T,
as this parameter is higly variable.  E.g the 2N7002 has min/max of
0.8V to 3V, with a typical V_T of 2.1V at I_D = 1mA.

What are typical tricks to do so?