v { version=2.9.8 file_version=1.2}
G {}
K {}
V {}
S {}
E {}
N 1310 -430 1310 -90 {lab=#net1}
N 1070 -530 1070 -220 {lab=ac}
N 1010 -60 1030 -60 {lab=GND}
N 1010 -60 1010 0 {lab=GND}
N 1010 0 1070 0 {lab=GND}
N 1070 -30 1070 0 {lab=GND}
N 1310 -30 1310 0 {lab=GND}
N 1310 0 1370 0 {lab=GND}
N 1370 -60 1370 0 {lab=GND}
N 1350 -60 1370 -60 {lab=GND}
N 970 -1150 1070 -1150 {lab=#net2}
N 1070 -1150 1070 -1120 {lab=#net2}
N 1070 -1150 1310 -1150 {lab=#net2}
N 1310 -1150 1310 -1120 {lab=#net2}
N 1250 0 1310 0 {lab=GND}
N 620 0 1010 0 {lab=GND}
N 1310 -490 1310 -430 {lab=#net1}
N 1370 0 1560 0 {lab=GND}
N 440 -450 440 0 {lab=GND}
N 1560 -470 2010 -470 {lab=#net3}
N 1310 -1150 1560 -1150 {lab=#net2}
N 440 -970 440 -570 {lab=#net2}
N 2110 -750 2110 -510 {lab=#net2}
N 2080 -1150 2110 -1150 {lab=#net2}
N 1560 -1150 1560 -1120 {lab=#net2}
N 2500 -1150 2500 -1120 {lab=#net2}
N 2290 -1150 2500 -1150 {lab=#net2}
N 2290 -1150 2290 -1120 {lab=#net2}
N 2500 -120 2500 -90 {lab=#net4}
N 2290 -910 2290 -830 {lab=#net4}
N 2290 -830 2500 -830 {lab=#net4}
N 2570 -60 2750 -60 {lab=#net4}
N 2500 -120 2570 -120 {lab=#net4}
N 2570 -120 2570 -60 {lab=#net4}
N 2500 0 2790 0 {lab=GND}
N 2790 -30 2790 0 {lab=GND}
N 2500 -30 2500 0 {lab=GND}
N 2480 -60 2500 -60 {lab=GND}
N 2480 -60 2480 0 {lab=GND}
N 2790 -60 2810 -60 {lab=GND}
N 2810 -60 2810 0 {lab=GND}
N 2790 0 2810 0 {lab=GND}
N 2110 -1150 2290 -1150 {lab=#net2}
N 2500 -900 2500 -830 {lab=#net4}
N 2540 -60 2570 -60 {lab=#net4}
N 2480 0 2500 0 {lab=GND}
N 2110 0 2480 0 {lab=GND}
N 1650 -1050 1720 -1050 {lab=ctat}
N 2230 -570 2230 -450 {lab=ctat}
N 2190 -450 2230 -450 {lab=ctat}
N 1720 -570 1720 -550 {lab=ctat}
N 310 -770 310 -510 {lab=ptat}
N 930 -1050 980 -1050 {lab=ptat}
N 1720 -430 2010 -430 {lab=#net1}
N 200 -1150 440 -1150 {lab=#net2}
N 200 0 440 0 {lab=GND}
N 1070 -60 1130 -60 { lab=GND}
N 1130 -60 1130 0 { lab=GND}
N 1250 -60 1310 -60 { lab=GND}
N 1250 -60 1250 0 { lab=GND}
N 1070 0 1130 0 {lab=GND}
N 1130 0 1250 0 {lab=GND}
N 2080 -720 2080 -510 { lab=#net5}
N 1070 -900 1070 -670 { lab=#net6}
N 1070 -610 1070 -530 { lab=ac}
N 1310 -610 1310 -490 { lab=#net1}
N 1310 -900 1310 -670 { lab=#net7}
N 1560 -610 1560 -470 { lab=#net3}
N 1560 -900 1560 -670 { lab=#net8}
N 1310 -430 1720 -430 {lab=#net1}
N 470 -940 470 -630 { lab=#net9}
N 1720 -490 1720 -430 { lab=#net1}
N 1720 -570 2230 -570 { lab=ctat}
N 1720 -1050 1720 -570 {lab=ctat}
N 60 -1150 200 -1150 { lab=#net2}
N 200 -1150 200 -990 { lab=#net2}
N 200 -890 200 0 { lab=GND}
N 0 0 200 0 { lab=GND}
N 60 -940 110 -940 { lab=#net2}
N 60 -1150 60 -940 { lab=#net2}
N 440 -970 470 -970 { lab=#net2}
N 470 -1150 470 -1000 { lab=#net2}
N 2080 -750 2110 -750 { lab=#net2}
N 2080 -1150 2080 -780 { lab=#net2}
N 1560 -1150 2080 -1150 { lab=#net2}
N 440 -1150 440 -970 {lab=#net2}
N 2110 -1150 2110 -750 {lab=#net2}
N 440 -1150 470 -1150 {lab=#net2}
N 0 -1150 60 -1150 { lab=#net2}
N 0 -630 0 0 { lab=GND}
N 0 -1150 0 -690 { lab=#net2}
N 310 -770 930 -770 { lab=ptat}
N 960 -1120 970 -1120 { lab=#net2}
N 970 -1150 970 -1120 { lab=#net2}
N 930 -1150 930 -1120 { lab=#net2}
N 890 -1120 900 -1120 { lab=#net2}
N 890 -1150 890 -1120 { lab=#net2}
N 930 -1150 970 -1150 {lab=#net2}
N 890 -1150 930 -1150 {lab=#net2}
N 470 -1150 890 -1150 {lab=#net2}
N 540 -490 1310 -490 { lab=#net1}
N 900 -530 1070 -530 { lab=ac}
N 620 -400 620 -100 { lab=#net10}
N 620 -40 620 0 { lab=GND}
N 1560 -470 1560 -220 { lab=#net3}
N 2790 -880 2790 -90 { lab=cas}
N 2500 -830 2500 -120 { lab=#net4}
N 2110 -390 2110 0 { lab=GND}
N 1070 -160 1070 -90 {lab=#net11}
N 2790 -1150 2790 -1080 {lab=#net2}
N 2830 -1050 2870 -1050 {lab=cas}
N 2870 -1050 2870 -970 {lab=cas}
N 2790 -1020 2790 -990 {lab=#net12}
N 2770 -1050 2790 -1050 {lab=#net2}
N 2770 -1150 2770 -1050 {lab=#net2}
N 2770 -1150 2790 -1150 {lab=#net2}
N 2770 -1050 2770 -970 { lab=#net2}
N 2770 -970 2790 -970 { lab=#net2}
N 2830 -970 2870 -970 { lab=cas}
N 2870 -970 2870 -880 { lab=cas}
N 2790 -880 2870 -880 { lab=cas}
N 2790 -940 2790 -880 { lab=cas}
N 1560 -160 1560 -0 { lab=GND}
N 1560 -0 2110 0 { lab=GND}
N 2500 -1150 2770 -1150 {lab=#net2}
N 440 0 620 0 {lab=GND}
N 540 -530 840 -530 { lab=#net13}
N 930 -1050 930 -770 { lab=ptat}
N 310 -510 360 -510 { lab=ptat}
N 930 -1080 930 -1050 { lab=ptat}
N 620 -530 620 -460 { lab=#net13}
C {bandgap_opamp/bandgap_opamp.sym} 440 -510 0 1 {name=x1}
C {bandgap_opamp/bandgap_opamp.sym} 2110 -450 0 0 {name=x2}
C {lab_wire.sym} 980 -1050 0 0 {name=l1 sig_type=std_logic lab=ptat}
C {lab_wire.sym} 1220 -1050 0 0 {name=l2 sig_type=std_logic lab=ptat}
C {lab_wire.sym} 1650 -1050 0 1 {name=l3 sig_type=std_logic lab=ctat}
C {lab_wire.sym} 980 -970 0 0 {name=l4 sig_type=std_logic lab=cas}
C {lab_wire.sym} 1220 -970 0 0 {name=l5 sig_type=std_logic lab=cas}
C {lab_wire.sym} 1650 -970 0 1 {name=l6 sig_type=std_logic lab=cas}
C {lab_wire.sym} 2200 -970 0 0 {name=l7 sig_type=std_logic lab=cas}
C {lab_wire.sym} 2410 -970 0 0 {name=l8 sig_type=std_logic lab=cas}
C {lab_wire.sym} 2200 -1050 0 0 {name=l9 sig_type=std_logic lab=ptat}
C {lab_wire.sym} 2410 -1050 0 0 {name=l10 sig_type=std_logic lab=ctat}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2520 -60 0 1 {name=M3
L=8
W=7
ad="[expr @W *0.29]" pd="[expr 2*(@W + 0.29)]"
as="[expr @W *0.29]" ps="[expr 2*(@W + 0.29)]"
nrd="[expr 0.29/@W ]" nrs="[expr 0.29/@W ]"
sa=0 sb=0 sd=0
nf=1 mult=2
model=nfet_01v8_lvt
spiceprefix=X
}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2770 -60 0 0 {name=M1
L=8
W=7
ad="[expr @W *0.29]" pd="[expr 2*(@W + 0.29)]"
as="[expr @W *0.29]" ps="[expr 2*(@W + 0.29)]"
nrd="[expr 0.29/@W ]" nrs="[expr 0.29/@W ]"
sa=0 sb=0 sd=0
nf=1 mult=2
model=nfet_01v8_lvt
spiceprefix=X
}
C {spice_probe.sym} 1070 -530 0 0 {name=p6 analysis=tran voltage=0.7342}
C {spice_probe.sym} 1310 -490 0 0 {name=p7 analysis=tran voltage=0.7341}
C {spice_probe.sym} 1560 -470 0 0 {name=p8 analysis=tran voltage=0.7341}
C {spice_probe.sym} 1650 -970 0 0 {name=p12 analysis=tran voltage=0.5687}
C {ammeter.sym} 470 -600 0 0 {name=v2 current=7.5997e-06}
C {bandgap_cascurr_cell/bandgap_cascurr_cell.sym} 1070 -1010 0 0 {name=x5 m=8}
C {bandgap_cascurr_cell/bandgap_cascurr_cell.sym} 1310 -1010 0 0 {name=x6 m=8}
C {bandgap_cascurr_cell/bandgap_cascurr_cell.sym} 1560 -1010 0 1 {name=x7 m=8}
C {bandgap_cascurr_cell/bandgap_cascurr_cell.sym} 2290 -1010 0 0 {name=x10 m=2}
C {bandgap_cascurr_cell/bandgap_cascurr_cell.sym} 2500 -1010 0 0 {name=x11 m=2}
C {sky130_fd_pr/pnp_05v5.sym} 1050 -60 0 0 {name=Q1
m=8
model=pnp_05v5_W3p40L3p40
spiceprefix=X
}
C {sky130_fd_pr/pnp_05v5.sym} 1330 -60 0 1 {name=Q2
m=1
model=pnp_05v5_W3p40L3p40
spiceprefix=X
}
C {ammeter.sym} 1070 -640 0 0 {name=v3 current=7.9258e-06}
C {ammeter.sym} 1310 -640 0 0 {name=v5 current=7.9257e-06}
C {ammeter.sym} 1560 -640 0 0 {name=v6 current=1.2106e-05}
C {capa.sym} 1720 -520 0 0 {name=C1
m=1
value=1m
footprint=1206
device="ceramic capacitor"}
C {spice_probe.sym} 470 -810 0 1 {name=p11 analysis=tran voltage=0.8189}
C {spice_probe.sym} 1780 -570 0 0 {name=p9 analysis=tran voltage=1.004}
C {bandgap_bmr/bandgap_bmr.sym} 200 -940 0 0 {name=x8}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 490 -970 0 1 {name=Mcurr
L=8
W=5
ad="'W * 0.29'" pd="'2 * (W + 0.29)'"
as="'W * 0.29'" ps="'2 * (W + 0.29)'"
nrd="'0.29 / W'" nrs="'0.29 / W'"
sa=0 sb=0 sd=0
nf=1 mult=4
model=pfet_01v8_lvt
spiceprefix=X
}
C {lab_wire.sym} 290 -940 0 1 {name=l12 sig_type=std_logic lab=bmr_biasv}
C {lab_wire.sym} 510 -970 0 1 {name=l13 sig_type=std_logic lab=bmr_biasv}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2060 -750 0 0 {name=Mcurr1
L=8
W=5
ad="'W * 0.29'" pd="'2 * (W + 0.29)'"
as="'W * 0.29'" ps="'2 * (W + 0.29)'"
nrd="'0.29 / W'" nrs="'0.29 / W'"
sa=0 sb=0 sd=0
nf=1 mult=4
model=pfet_01v8_lvt
spiceprefix=X
}
C {lab_wire.sym} 2040 -750 0 0 {name=l14 sig_type=std_logic lab=bmr_biasv}
C {vsource.sym} 0 -660 0 0 {name=Vdd value=\{vdd\}}
C {gnd.sym} 0 0 0 0 {name=l15 lab=GND}
C {lab_wire.sym} 920 -530 0 1 {name=l16 sig_type=std_logic lab=ac}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 930 -1100 1 1 {name=Mcurr2
L=8
W=7
ad="'W * 0.29'" pd="'2 * (W + 0.29)'"
as="'W * 0.29'" ps="'2 * (W + 0.29)'"
nrd="'0.29 / W'" nrs="'0.29 / W'"
sa=0 sb=0 sd=0
nf=1 mult=32
model=pfet_01v8_lvt
spiceprefix=X
}
C {vsource.sym} 620 -70 0 0 {name=Vin1 value="dc=0 ac=1"}
C {code.sym} 2470 -1370 0 0 {name=simulation only_toplevel=false value="
.temp 27

.lib "sky130_fd_pr/models/sky130.lib.spice" tt
.include sky130_fd_pr/models/sky130_fd_pr__model__pnp.model.spice

.param vdd=1.8

.save all

.ac dec 10 1 1G

.control
   run
   setplot ac1
   set units=degrees
   gnuplot bandgap_core_stability_ptat db(ac) ph(ac)
.endc
"}
C {res_ac.sym} 870 -530 1 0 {name=R5
value=1u
device=resistor
m=1
ac=1G}
C {res_ac.sym} 620 -430 2 0 {name=R6
value=1G
device=resistor
m=1
ac=1u}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2810 -1050 0 1 {name=Mtri_bias_cas
L=8
W=5
ad="'W * 0.29'" pd="'2 * (W + 0.29)'"
as="'W * 0.29'" ps="'2 * (W + 0.29)'"
nrd="'0.29 / W'" nrs="'0.29 / W'"
sa=0 sb=0 sd=0
nf=1 mult=2
model=pfet_01v8_lvt
spiceprefix=X
}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2810 -970 0 1 {name=Mcas_bias
L=0.5
W=5
ad="'W * 0.29'" pd="'2 * (W + 0.29)'"
as="'W * 0.29'" ps="'2 * (W + 0.29)'"
nrd="'0.29 / W'" nrs="'0.29 / W'"
sa=0 sb=0 sd=0
nf=1 mult=4
model=pfet_01v8_lvt
spiceprefix=X
}
C {lab_wire.sym} 2800 -880 0 1 {name=l11 sig_type=std_logic lab=cas}
C {res.sym} 1070 -190 0 0 {name=R2
value=6.624k
footprint=1206
device=resistor
m=1}
C {res.sym} 1560 -190 0 0 {name=R1
value=51.16k
footprint=1206
device=resistor
m=1}