* Self-biased current source testbench | |
* Include SkyWater sky130 device models | |
.lib "/usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice" tt | |
.param mc_mm_switch=0 | |
.include "../mag/sbcs5v0.spice" | |
* supply voltages | |
vdda vdda 0 3.3 | |
vssa vssa 0 0.0 | |
* DUT | |
x0 io vdda vssa x sbcs5v0 | |
vo io vssa 0.0 | |
.option gmin=1e-13 | |
.control | |
dc vdda 10m 1.8 10m | |
plot i(vo) | |
plot abs(deriv(i(vo))/i(vo)) ylog | |
dc temp -40 125 1 | |
plot i(vo) | |
.endc | |
.end |