| **.subckt comp Inp bias Inn VP VN OutN OutP |
| *.ipin Inp |
| *.ipin bias |
| *.ipin Inn |
| *.iopin VP |
| *.iopin VN |
| *.opin OutN |
| *.opin OutP |
| XM1 OutN Inp VIq VN sky130_fd_pr__nfet_01v8_lvt L=0.3 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 OutP Inn VIq VN sky130_fd_pr__nfet_01v8_lvt L=0.3 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 |
| XM4 OutP bias VN VN sky130_fd_pr__nfet_01v8_lvt L=0.3 W=1 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 |
| XM3 OutN bias VN VN sky130_fd_pr__nfet_01v8_lvt L=0.3 W=1 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 |
| XM7 bias bias VN VN sky130_fd_pr__nfet_01v8_lvt L=0.3 W=1 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 |
| XM9 VIq bias VN VN sky130_fd_pr__nfet_01v8_lvt L=0.3 W=5 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 |
| XM5 OutP net1 VP VP sky130_fd_pr__pfet_01v8_lvt L=0.35 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 |
| XM6 OutN net1 VP VP sky130_fd_pr__pfet_01v8_lvt L=0.35 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 |
| XR1 OutN net1 GND sky130_fd_pr__res_xhigh_po_0p35 L=3 mult=1 m=1 |
| XR2 net1 OutP GND sky130_fd_pr__res_xhigh_po_0p35 L=3 mult=1 m=1 |
| **** begin user architecture code |
| |
| *.lib /home/simon/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt |
| .lib /home/simon/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice.tt.red tt |
| |
| |
| |
| *.options savecurrents |
| .option warn=1 |
| .control |
| set wr_vecnames |
| set wr_singlescale |
| * Power consumption |
| op |
| * save all |
| * #OP# |
| print @m.xm1.msky130_fd_pr__nfet_01v8_lvt[gds] |
| print vdd#branch |
| print v(vm2d) |
| print v(vm3d) |
| print v(UD_M5) |
| wrdata 'result_op.csv' vdd#branch |
| ac dec 10 1 10G |
| meas ac dc_gain_vm2d FIND vdb(vm2d) AT=1 |
| let bw_amp_vm2d=dc_gain_vm2d-3 |
| meas ac dc_gain_vm3d FIND vdb(vm3d) AT=1 |
| let bw_amp_vm3d=dc_gain_vm3d-3 |
| meas ac bw_vm2d when vdb(vm2d)=bw_amp_vm2d |
| meas ac bw_vm3d when vdb(vm3d)=bw_amp_vm3d |
| *MEAS AC phasem FIND vp(vm2d) WHEN vdb(vm2d)=0 |
| * wrdata 'result_ac.csv' dc_gain bw |
| * plot vdb(vm2D) log |
| * |
| *print WM3D |
| run |
| reset |
| save @m.xm1.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm1.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm1.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm1.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm2.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm2.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm2.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm2.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm3.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm3.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm3.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm3.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm4.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm4.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm4.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm4.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm5.msky130_fd_pr__pfet_01v8_lvt[gm] |
| save @m.xm5.msky130_fd_pr__pfet_01v8_lvt[gds] |
| save @m.xm5.msky130_fd_pr__pfet_01v8_lvt[cgs] |
| save @m.xm5.msky130_fd_pr__pfet_01v8_lvt[cdg] |
| save @m.xm6.msky130_fd_pr__pfet_01v8_lvt[gm] |
| save @m.xm6.msky130_fd_pr__pfet_01v8_lvt[gds] |
| save @m.xm6.msky130_fd_pr__pfet_01v8_lvt[cgs] |
| save @m.xm6.msky130_fd_pr__pfet_01v8_lvt[cdg] |
| save @m.xm7.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm7.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm7.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm7.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm8.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm8.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm8.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm8.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save @m.xm9.msky130_fd_pr__nfet_01v8_lvt[gm] |
| save @m.xm9.msky130_fd_pr__nfet_01v8_lvt[gds] |
| save @m.xm9.msky130_fd_pr__nfet_01v8_lvt[cgs] |
| save @m.xm9.msky130_fd_pr__nfet_01v8_lvt[cdg] |
| save v(Voutp) |
| save v(Voutn) |
| save v(VIa) |
| save v(VIq) |
| |
| save v(Vinn) |
| save v(Vinp) |
| save v(VM8G) |
| |
| op |
| write comp.raw |
| run |
| *reset |
| *noise v(vm1d) I1 dec 100 1 10G |
| *print all |
| *setplot noise2 |
| *write noise2.raw |
| *run |
| reset |
| ac dec 10 1 1T |
| plot vdb(Voutp) vdb(Voutn) |
| plot phase(Voutp)/pi*180 phase(Voutn)/pi*180 |
| run |
| reset |
| tran 1ps 10ns |
| plot v(Vinp) v(Voutn) v(Voutp) |
| run |
| .endc |
| |
| |
| **** end user architecture code |
| **.ends |
| .GLOBAL GND |
| ** flattened .save nodes |
| .end |
