abhii
Newbie level 5
i need to do a parametric analysis in spice to show the different drain current curves with varying channel length of NMOS. But i am getting an error can anyone plz help me out
vds 1 0 5v
vgs 2 0
m1 1 2 0 0 n1
.param l_val = .1u
.model n1 nmos level = 2 tox = 50n nsub = 1e16 l = l_val w = 10u
---------------------------------------------------$
ERROR -- 'l_val' is not a model parameter name
.dc vgs 0 5 1 sweep l_val .1u 10u .5u
--------------$
ERROR -- Must be 'I' or 'V'
.probe
.op
.end
vds 1 0 5v
vgs 2 0
m1 1 2 0 0 n1
.param l_val = .1u
.model n1 nmos level = 2 tox = 50n nsub = 1e16 l = l_val w = 10u
---------------------------------------------------$
ERROR -- 'l_val' is not a model parameter name
.dc vgs 0 5 1 sweep l_val .1u 10u .5u
--------------$
ERROR -- Must be 'I' or 'V'
.probe
.op
.end