v {xschem version=3.4.6RC file_version=1.2 * * This file is part of XSCHEM, * a schematic capture and Spice/Vhdl/Verilog netlisting tool for circuit * simulation. * Copyright (C) 1998-2024 Stefan Frederik Schippers * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA } G {} K {} V {} S {} E {} B 2 1340 -650 2310 -140 {flags=graph,unlocked y1=-13 y2=86 ypos1=0 ypos2=2 divy=5 subdivy=1 unity=1 x1=0 x2=10 subdivx=8 xlabmag=1.0 ylabmag=1.0 node="\\"dB(out) comp; out db20() %0\\" \\"dB(out) uncomp; out db20() %1\\" \\"0 dB; 0" color="4 5 8 4 4" dataset=-1 unitx=1 logx=1 logy=0 divx=10 rainbow=0 lock=0 autoload=0 sim_type=ac} B 2 1340 -1200 2310 -670 {flags=graph,unlocked y1=-38 y2=180 ypos1=0 ypos2=2 divy=5 subdivy=1 unity=1 x1=-0.12711811 x2=9.8728819 subdivx=8 xlabmag=1.0 ylabmag=1.0 node="\\"ph(out) comp.; ph(out)%0\\" \\"ph(out) uncomp.; ph(out)%1\\"" color="4 5" unitx=1 logx=1 logy=0 divx=10 rainbow=0 lock=0 dataset=-1 autoload=0 sim_type=ac} B 2 2330 -725 3150 -10 {flags=graph,unlocked y1=-5.4178481 y2=4.8134072 ypos1=0 ypos2=2 subdivy=1 unity=1 x1=-45.601981 x2=5.9488199 subdivx=4 xlabmag=1.4 ylabmag=1.0 node="\\"im_out; im_out%0\\" \\"im_out*; im_out -1 *%0\\" \\"im_out; im_out%1\\" \\"im_out*; im_out -1 *%1\\"" color="4 4 5 5" dataset=-1 unitx=1 logx=0 logy=0 divx=10 sweep=re_out divy=10 lock=1 rainbow=0 autoload=0 sim_type=ac} B 2 2330 -1460 3150 -745 {flags=graph,unlocked y1=-9400 y2=9400 ypos1=0 ypos2=2 subdivy=1 unity=1 x1=-323.03362 x2=18222.875 subdivx=1 xlabmag=1.4 ylabmag=1.0 node="\\"im_out; im_out%0\\" \\"im_out*; im_out -1 *%0\\" \\"im_out; im_out%1\\" \\"im_out*; im_out -1 *%1\\"" color="4 4 7 7" unitx=1 logx=0 logy=0 divx=10 sweep=re_out divy=10 lock=1 rainbow=0 dataset=1 autoload=0 sim_type=ac} B 4 930 -440 1050 -260 {fill=0 dash=6} A 6 2450 -1100 40 0 360 {} A 7 3020 -382.5 3.952847075210474 18.43494882292201 360 {fill=full} P 6 7 2465 -1060 2635 -670 2645 -675 2650 -640 2625 -665 2635 -670 2465 -1060 {fill=full} T {Feedback loading} 670 -930 0 0 0.4 0.4 {} T {DC-only feedback} 670 -670 0 0 0.4 0.4 {} T {Freq. Compens.} 930 -250 0 0 0.4 0.4 { layer=4} T {Uncompensated Unstable} 2380 -1540 0 0 0.6 0.6 { layer=5} T {Compensated Stable} 2890 -1540 0 0 0.6 0.6 { layer=4} T {Uncompensated Unstable} 1950 -1280 0 0 0.6 0.6 { layer=5} T {Compensated Stable} 1480 -1280 0 0 0.6 0.6 { layer=4} T {Some graphs are locked (lock=1) Double click close to the inner border and set lock=0 to edit} 1370 -1450 0 0 0.8 0.8 {} T {AC signal gen} 530 -770 0 0 0.4 0.4 {} N 30 -310 30 -280 { lab=VCC} N 30 -310 60 -310 { lab=VCC} N 260 -240 260 -190 { lab=GN} N 260 -190 300 -190 { lab=GN} N 300 -190 300 -160 { lab=GN} N 300 -160 530 -160 { lab=GN} N 500 -290 520 -290 { lab=0} N 670 -290 690 -290 { lab=0} N 570 -260 690 -260 { lab=S} N 440 -290 460 -290 { lab=MINUS} N 730 -290 750 -290 { lab=PLUS} N 690 -490 740 -490 { lab=VCC} N 450 -490 500 -490 { lab=VCC} N 540 -490 650 -490 { lab=G} N 540 -490 540 -460 { lab=G} N 500 -460 540 -460 { lab=G} N 690 -560 690 -520 { lab=VCC} N 570 -560 690 -560 { lab=VCC} N 500 -560 500 -520 { lab=VCC} N 570 -580 570 -560 { lab=VCC} N 690 -420 840 -420 { lab=DIFFOUT} N 30 -590 30 -560 { lab=PLUS} N 30 -590 60 -590 { lab=PLUS} N 570 -130 570 -100 { lab=0} N 570 -130 590 -130 { lab=0} N 590 -160 590 -130 { lab=0} N 570 -160 590 -160 { lab=0} N 260 -130 260 -100 { lab=0} N 240 -130 260 -130 { lab=0} N 240 -160 240 -130 { lab=0} N 240 -160 260 -160 { lab=0} N 690 -420 690 -400 { lab=DIFFOUT} N 570 -260 570 -190 { lab=S} N 500 -340 500 -320 { lab=#net1} N 690 -340 690 -320 { lab=#net2} N 500 -460 500 -400 { lab=G} N 1160 -130 1160 -100 { lab=0} N 1160 -130 1180 -130 { lab=0} N 1180 -160 1180 -130 { lab=0} N 1160 -160 1180 -160 { lab=0} N 1060 -160 1120 -160 { lab=GN} N 1160 -490 1210 -490 { lab=VCC} N 1160 -560 1160 -520 { lab=VCC} N 690 -560 1160 -560 { lab=VCC} N 840 -490 840 -420 { lab=DIFFOUT} N 1160 -290 1160 -190 { lab=OUT} N 500 -560 570 -560 { lab=VCC} N 690 -460 690 -420 { lab=DIFFOUT} N 500 -260 570 -260 { lab=S} N 1160 -330 1260 -330 { lab=OUT} N 1160 -460 1160 -330 { lab=OUT} N 990 -290 1160 -290 { lab=OUT} N 760 -980 900 -980 {lab=#net3} N 680 -980 700 -980 {lab=0} N 760 -1120 900 -1120 {lab=#net4} N 680 -1120 700 -1120 {lab=0} N 900 -1120 900 -1080 { lab=#net4} N 900 -1020 900 -980 { lab=#net3} N 940 -1050 960 -1050 { lab=OUT} N 960 -1050 960 -790 { lab=OUT} N 620 -790 730 -790 { lab=#net5} N 920 -790 960 -790 { lab=OUT} N 750 -1040 750 -1020 { lab=S} N 710 -1040 710 -1020 { lab=0} N 750 -1180 750 -1160 { lab=G} N 710 -1180 710 -1160 { lab=0} N 960 -790 980 -790 { lab=OUT} N 840 -790 840 -760 { lab=#net6} N 840 -790 860 -790 { lab=#net6} N 770 -790 770 -770 { lab=#net6} N 770 -790 840 -790 { lab=#net6} N 730 -720 730 -700 { lab=0} N 770 -700 840 -700 { lab=0} N 770 -730 770 -700 { lab=0} N 730 -790 730 -780 { lab=#net5} N 1160 -330 1160 -290 { lab=OUT} N 840 -490 1120 -490 { lab=DIFFOUT} N 730 -700 770 -700 { lab=0} N 520 -790 560 -790 { lab=MINUS} N 990 -430 990 -410 { lab=DIFFOUT} N 990 -490 990 -430 { lab=DIFFOUT} C {lab_pin.sym} 30 -220 0 0 {name=p17 lab=0} C {title.sym} 160 -30 0 0 {name=l1 author="Stefan Schippers"} C {nmos4.sym} 550 -160 0 0 {name=m1 model=cmosn w=5u l=2u m=2 } C {pmos4.sym} 670 -490 0 0 {name=m2 model=cmosp w=5u l=2u m=1 } C {vsource.sym} 30 -250 0 0 {name=VVCC value='VCC' } C {lab_pin.sym} 570 -100 0 0 {name=p1 lab=0} C {lab_pin.sym} 60 -310 0 1 {name=p2 lab=VCC} C {nmos4.sym} 280 -160 0 1 {name=m3 model=cmosn w=5u l=2u m=1 } C {lab_pin.sym} 260 -100 0 0 {name=p3 lab=0} C {isource.sym} 260 -270 0 0 {name=IBIAS value='IB' } C {lab_pin.sym} 260 -300 0 0 {name=p4 lab=0} C {nmos4.sym} 480 -290 0 0 {name=m4 model=cmosn w=10u l=1u m=1 } C {lab_pin.sym} 520 -290 0 1 {name=p5 lab=0} C {nmos4.sym} 710 -290 0 1 {name=m5 model=cmosn w=10u l=1u m=1 } C {lab_pin.sym} 670 -290 0 0 {name=p0 lab=0} C {lab_pin.sym} 740 -490 0 1 {name=p6 lab=VCC} C {pmos4.sym} 520 -490 0 1 {name=m6 model=cmosp w=5u l=2u m=1 } C {lab_pin.sym} 450 -490 0 0 {name=p7 lab=VCC} C {lab_pin.sym} 570 -580 0 0 {name=p8 lab=VCC} C {lab_pin.sym} 750 -290 0 1 {name=p9 lab=PLUS} C {lab_pin.sym} 440 -290 0 0 {name=p10 lab=MINUS} C {lab_pin.sym} 840 -420 0 1 {name=p11 lab=DIFFOUT} C {lab_pin.sym} 260 -220 0 0 {name=p13 lab=GN} C {lab_pin.sym} 30 -500 0 0 {name=p16 lab=0} C {vsource.sym} 30 -530 0 0 {name=VPLUS value="dc 2.5 pwl 0 2.5 100n 2.5 100.1n 2.51" } C {lab_pin.sym} 60 -590 0 1 {name=p18 lab=PLUS} C {lab_pin.sym} 500 -430 0 0 {name=p12 lab=G} C {launcher.sym} 700 -60 0 0 {name=h1 descr=Backannotate tclcommand=" xschem raw read $netlist_dir/test_nyquist.raw ac xschem raw add re_out \{out ph(out) re() -1 *\} xschem raw add im_out \{out ph(out) im() -1 *\} xschem raw read $netlist_dir/test_nyquist.raw op xschem update_op xschem redraw " } C {launcher.sym} 700 -110 0 0 {name=h2 descr="View raw file" tclcommand="textwindow $netlist_dir/cmos_example_ngspice.raw"} C {ammeter.sym} 690 -370 0 1 {name=Vmeasr} C {simulator_commands.sym} 60 -830 0 0 {name=COMMANDS simulator=ngspice only_toplevel=true value=".temp 30 .param IB=2u GMIN=1e-16 .param VCC = 5 .option savecurrents .control save all op remzerovec write test_nyquist.raw set appendwrite ac dec 100 1 10G * tran 0.1n 1u remzerovec write test_nyquist.raw alter R1=5000G alter C1=1a ac dec 100 1 10G * tran 0.1n 1u remzerovec write test_nyquist.raw quit 0 .endc "} C {ammeter.sym} 500 -370 0 1 {name=Vmeasl} C {lab_pin.sym} 570 -230 0 0 {name=p19 lab=S} C {nmos4.sym} 1140 -160 0 0 {name=m7 model=cmosn w=5u l=2u m=1 device_model=" *n-ch model .MODEL CMOSN NMOS ( +LEVEL = 49 acm = 3 +VERSION = 3.1 TNOM = 27 TOX = 7.7E-9 +XJ = 1E-7 NCH = 2.3579E17 VTH0 = 0.5048265 +K1 = 0.5542796 K2 = 0.0155863 K3 = 2.3475646 +K3B = -3.3142916 W0 = 4.145888E-5 NLX = 1.430868E-7 +DVT0W = 0 DVT1W = 0 DVT2W = 0 +DVT0 = -0.0150839 DVT1 = 1.51022E-3 DVT2 = 0.170688 +U0 = 415.8570638 UA = 5.057324E-11 UB = 1.496793E-18 +UC = 2.986268E-11 VSAT = 1.237033E5 A0 = 0.9098788 +AGS = 0.2120181 B0 = 1.683612E-6 B1 = 5E-6 +KETA = -4.011887E-4 A1 = 0 A2 = 1 +RDSW = 1.156967E3 PRWG = -8.468558E-3 PRWB = -7.678669E-3 +WR = 1 WINT = 5.621821E-8 LINT = 1.606205E-8 +XL = -2E-8 XW = 0 DWG = -6.450939E-9 +DWB = 6.530228E-9 VOFF = -0.1259348 NFACTOR = 0.3344887 +CIT = 0 CDSC = 1.527511E-3 CDSCD = 0 +CDSCB = 0 ETA0 = 1.21138E-3 ETAB = -1.520242E-4 +DSUB = 0.1259886 PCLM = 0.8254768 PDIBLC1 = 0.4211084 +PDIBLC2 = 6.081164E-3 PDIBLCB = -5.865856E-6 DROUT = 0.7022263 +PSCBE1 = 7.238634E9 PSCBE2 = 5E-10 PVAG = 0.6261655 +DELTA = 0.01 MOBMOD = 1 PRT = 0 +UTE = -1.5 KT1 = -0.11 KT1L = 0 +KT2 = 0.022 UA1 = 4.31E-9 UB1 = -7.61E-18 +UC1 = -5.6E-11 AT = 3.3E4 WL = 0 +WLN = 1 WW = -1.22182E-15 WWN = 1.137 +WWL = 0 LL = 0 LLN = 1 +LW = 0 LWN = 1 LWL = 0 +CAPMOD = 2 XPART = 0.4 CGDO = 1.96E-10 +CGSO = 1.96E-10 CGBO = 0 CJ = 8.829973E-4 +PB = 0.7946332 MJ = 0.3539285 CJSW = 2.992362E-10 +PBSW = 0.9890846 MJSW = 0.1871372 PVTH0 = -0.0148617 +PRDSW = -114.7860236 PK2 = -5.151187E-3 WKETA = 5.687313E-3 +LKETA = -0.018518 ) "} C {lab_pin.sym} 1160 -100 0 0 {name=p21 lab=0} C {lab_pin.sym} 1060 -160 0 0 {name=p22 lab=GN} C {pmos4.sym} 1140 -490 0 0 {name=m8 model=cmosp w=5u l=2u m=1 device_model=" *p-ch model .MODEL CMOSP PMOS ( +LEVEL = 49 acm = 3 +VERSION = 3.1 TNOM = 27 TOX = 7.7E-9 +XJ = 1E-7 NCH = 8.52E16 VTH0 = -0.6897992 +K1 = 0.4134289 K2 = -5.342989E-3 K3 = 24.8361788 +K3B = -1.4390847 W0 = 2.467689E-6 NLX = 3.096223E-7 +DVT0W = 0 DVT1W = 0 DVT2W = 0 +DVT0 = 1.3209807 DVT1 = 0.4695965 DVT2 = -8.790762E-4 +U0 = 150.6275733 UA = 2.016943E-10 UB = 1.714919E-18 +UC = -1.36948E-11 VSAT = 9.559222E4 A0 = 0.9871247 +AGS = 0.3541967 B0 = 3.188091E-6 B1 = 5E-6 +KETA = -0.0169877 A1 = 0 A2 = 1 +RDSW = 2.443009E3 PRWG = 0.0260616 PRWB = 0.141561 +WR = 1 WINT = 5.038936E-8 LINT = 1.650588E-9 +XL = -2E-8 XW = 0 DWG = -1.535456E-8 +DWB = 1.256904E-8 VOFF = -0.15 NFACTOR = 1.5460516 +CIT = 0 CDSC = 1.413317E-4 CDSCD = 0 +CDSCB = 0 ETA0 = 0.3751392 ETAB = 2.343374E-3 +DSUB = 0.8877574 PCLM = 5.8638076 PDIBLC1 = 1.05224E-3 +PDIBLC2 = 3.481753E-5 PDIBLCB = 2.37525E-3 DROUT = 0.0277454 +PSCBE1 = 3.013379E10 PSCBE2 = 3.608179E-8 PVAG = 3.9564294 +DELTA = 0.01 MOBMOD = 1 PRT = 0 +UTE = -1.5 KT1 = -0.11 KT1L = 0 +KT2 = 0.022 UA1 = 4.31E-9 UB1 = -7.61E-18 +UC1 = -5.6E-11 AT = 3.3E4 WL = 0 +WLN = 1 WW = -5.22182E-16 WWN = 1.125 +WWL = 0 LL = 0 LLN = 1 +LW = 0 LWN = 1 LWL = 0 +CAPMOD = 2 XPART = 0.4 CGDO = 2.307E-10 +CGSO = 2.307E-10 CGBO = 0 CJ = 1.397645E-3 +PB = 0.99 MJ = 0.5574537 CJSW = 3.665392E-10 +PBSW = 0.99 MJSW = 0.3399328 PVTH0 = 0.0114364 +PRDSW = 52.7951169 PK2 = 9.714153E-4 WKETA = 0.0109418 +LKETA = 7.702974E-3 ) "} C {lab_pin.sym} 1210 -490 0 1 {name=p23 lab=VCC} C {lab_pin.sym} 1260 -330 0 1 {name=p24 lab=OUT lock=1} C {launcher.sym} 2000 -100 0 0 {name=h5 descr="load waves" tclcommand="xschem raw_read $netlist_dir/test_nyquist.raw ac xschem raw add re_out \{out ph(out) re() -1 *\} xschem raw add im_out \{out ph(out) im() -1 *\} xschem redraw " } C {launcher.sym} 1750 -100 0 0 {name=h3 descr="Simulate" tclcommand="simulate" } C {res.sym} 990 -380 0 0 {name=R1 value=70k footprint=1206 device=resistor m=1} C {capa.sym} 990 -320 0 0 {name=C1 m=1 value=200f footprint=1206 device="ceramic capacitor"} C {lab_pin.sym} 520 -790 0 0 {name=p20 lab=MINUS} C {lab_pin.sym} 750 -1040 2 0 {name=l18 lab=S} C {lab_pin.sym} 710 -1040 2 0 {name=l19 lab=0} C {lab_pin.sym} 680 -980 1 0 {name=l20 lab=0} C {vcvs.sym} 730 -980 1 0 {name=e1 value=1} C {lab_pin.sym} 750 -1180 2 0 {name=l2 lab=G} C {lab_pin.sym} 710 -1180 2 0 {name=l3 lab=0} C {lab_pin.sym} 680 -1120 1 0 {name=l4 lab=0} C {vcvs.sym} 730 -1120 1 0 {name=e2 value=1} C {lab_pin.sym} 900 -1050 0 0 {name=p25 lab=0} C {lab_pin.sym} 980 -790 0 1 {name=p27 lab=OUT} C {nmos4.sym} 920 -1050 0 1 {name=m10 model=cmosn w=10u l=1u m=1 } C {res.sym} 890 -790 1 0 {name=R3 value=10G m=1} C {capa.sym} 840 -730 0 0 {name=C3 m=1 value=1 footprint=1206 device="ceramic capacitor"} C {vcvs.sym} 730 -750 0 1 {name=e3 value=1} C {lab_pin.sym} 730 -700 0 0 {name=l8 lab=0} C {vsource.sym} 590 -790 3 0 {name=VLOOP value="dc 0 ac 1 0" } C {launcher.sym} 1480 -100 0 0 {name=h4 descr="netlist" tclcommand="xschem netlist" }