diff --git a/examples/measure/mos-meas-dc-clipped.sp b/examples/measure/mos-meas-dc-clipped.sp new file mode 100644 index 000000000..a0baa6fba --- /dev/null +++ b/examples/measure/mos-meas-dc-clipped.sp @@ -0,0 +1,69 @@ +***** Single NMOS Transistor .measure (Id-Vd) *** +* Do measurements +* Clip the output current vector. +* Do some measurements +* Unclip the vector +* Do all measurements again + +m1 d g s b nch L=0.6u W=9.99u ; W is slightly below binning limit + +vgs g 0 3.5 +vds d 0 3.5 +vs s 0 dc 0 +vb b 0 dc 0 + +* model binning +* uses default parameters, except toxe +.model nch.1 nmos ( version=4.7 level=54 lmin=0.1u lmax=20u wmin=0.1u wmax=10u toxe=3n ) +.model nch.2 nmos ( version=4.7 level=54 lmin=0.1u lmax=20u wmin=10u wmax=100u toxe=4n) + +.control +dc vds 0 3.5 0.05 vgs 3.5 0.5 -0.5 +meas dc is_at FIND i(vs) AT=1 +meas dc is_max max i(vs) +meas dc vds_at2 when i(vs)=10m rise=1 +meas dc vds_at2 when i(vs)=10m rise=2 +* starting with branches in descending order of vgs +* trig ist the first branch which crosses 5mA +* Targ is the first branch crossing 10mA +meas dc vd_diff1 trig i(vs) val=0.005 rise=1 targ i(vs) val=0.01 rise=1 +* trig ist the first branch which crosses 5mA +* Targ is the second branch crossing 10mA +meas dc vd_diff2 trig i(vs) val=0.005 rise=2 targ i(vs) val=0.01 rise=2 + +plot i(vs) + +* clip the vector +clip i(vs) 1 1.5 +plot i(vs) +echo +echo after clipping +meas dc vds_at2 when vs#branch=10m rise=1 +meas dc vds_at2 when vs#branch=10m rise=2 + +* restore the unclipped vector +echo +echo after unclipping +clip i(vs) 0 0 +meas dc is_at FIND i(vs) AT=1 +meas dc is_max max i(vs) +meas dc vds_at2 when i(vs)=10m rise=1 +meas dc vds_at2 when i(vs)=10m rise=2 +* starting with branches in descending order of vgs +* trig ist the first branch which crosses 5mA +* Targ is the first branch crossing 10mA +meas dc vd_diff1 trig i(vs) val=0.005 rise=1 targ i(vs) val=0.01 rise=1 +* trig ist the first branch which crosses 5mA +* Targ is the second branch crossing 10mA +meas dc vd_diff2 trig i(vs) val=0.005 rise=2 targ i(vs) val=0.01 rise=2 +plot i(vs) + +.endc + + +.end + + + + +