** sch_path: /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/spdt.sch
**.subckt spdt in ctr gnd vdd out1 out2
*.ipin in
*.ipin ctr
*.ipin gnd
*.ipin vdd
*.opin out1
*.opin out2
XINV1 vdd ctr gnd net1 inverter
XTG1 vdd ctr in gnd net1 out1 transgate
XTG2 vdd net1 in gnd ctr out2 transgate
XINV1 vdd ctr gnd net1 inverter
**.ends

* expanding   symbol:
*+  /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/inverter.sym # of pins=4
** sym_path: /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/inverter.sym
** sch_path: /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/inverter.sch
.subckt inverter  vdd in gnd out
*.ipin in
*.ipin gnd
*.ipin vdd
*.opin out
XM1 out in gnd gnd sky130_fd_pr__nfet_01v8 L=0.15 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=1 m=1
XM2 out in vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=1 m=1
.ends


* expanding   symbol:
*+  /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/transgate.sym # of pins=6
** sym_path: /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/transgate.sym
** sch_path: /Volumes/WORK_DRIVE/caravel_automatic_gain_control/xschem/attenuator/transgate.sch
.subckt transgate  vdd ctr2 in gnd ctr1 out
*.ipin in
*.ipin ctr2
*.ipin ctr1
*.ipin vdd
*.ipin gnd
*.opin out
XM1 in ctr1 out gnd sky130_fd_pr__nfet_01v8 L=0.15 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=1 m=1
XM2 in ctr2 out vdd sky130_fd_pr__pfet_01v8 L=0.15 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=1 m=1
.ends

.end