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Diffstat (limited to 'Windows/spice/examples/measure/mos-meas-dc-control.sp')
-rw-r--r-- | Windows/spice/examples/measure/mos-meas-dc-control.sp | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/Windows/spice/examples/measure/mos-meas-dc-control.sp b/Windows/spice/examples/measure/mos-meas-dc-control.sp deleted file mode 100644 index be6660dc..00000000 --- a/Windows/spice/examples/measure/mos-meas-dc-control.sp +++ /dev/null @@ -1,49 +0,0 @@ -***** Single NMOS Transistor .measure (Id-Vd) *** -* Altering device witdth leads to select new model due to binning limits. -* New model has artificially thick gate oxide (changed from default 3n to 4n) -* to demonstrate the effect. -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 -* 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 -alter @m1[w]=10.01u ; W is slightly above binning limit -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 -meas dc vd_diff1 trig i(vs) val=0.005 rise=1 targ i(vs) val=0.01 rise=1 -* there is only one branch crossing 10mA, so this second meas fails with targ out of interval -echo -echo The next one will fail (no two branches crossing 10 mA): -meas dc vd_diff2 trig i(vs) val=0.005 rise=2 targ i(vs) val=0.01 rise=2 -*rusage all -plot dc1.i(vs) i(vs) -.endc - - -.end - - - - - |