* 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/ESD.spice"

* supply voltages
vdda	vdda 0 3.3
vssa	vssa 0 0.0

* DUT
va a vssa 0.0
*x0 a b vdda vssa ESD

.option gmin=1e-13
.control

  dc va -11 11 100m
  plot i(va)

.endc

.end