v {xschem version=2.9.7 file_version=1.2}
G {}
V {}
S {}
E {}
L 18 845 -530 880 -530 {}
L 18 845 -530 845 -450 {}
L 18 845 -450 880 -450 {}
L 18 880 -450 900 -400 {}
L 18 900 -400 910 -400 {}
L 18 910 -580 910 -400 {}
L 18 900 -580 910 -580 {}
L 18 880 -530 900 -580 {}
L 18 880 -530 880 -450 {}
L 18 900 -580 900 -400 {}
T {actual value
50u} 410 -820 0 0 0.4 0.4 {}
T {actual value
50u} 420 -360 0 0 0.4 0.4 {}
T {actual value
50u} 50 -750 0 0 0.4 0.4 {}
T {actual value
50u} 80 -290 0 0 0.4 0.4 {}
T {actual value
200} 870 -1330 0 0 0.4 0.4 {}
N 160 -1250 160 -1230 {lab=#net1}
N 160 -1110 160 -1090 {lab=#net2}
N 280 -1170 340 -1170 {lab=VSS}
N 710 -700 860 -700 {lab=OUTM}
N 510 -1200 580 -1200 {lab=VSS}
N 580 -1200 580 -1190 {lab=VSS}
N 580 -1190 620 -1190 {lab=VSS}
N 550 -1240 580 -1240 {lab=IN}
N 620 -1250 710 -1250 {lab=REFP}
N 280 -1180 280 -1170 {lab=VSS}
N 280 -1250 280 -1240 {lab=VPP}
N 270 -1100 270 -1090 {lab=VNN}
N 270 -1170 270 -1160 {lab=VSS}
N 160 -1090 190 -1090 {lab=#net2}
N 270 -1090 340 -1090 {lab=VNN}
N 160 -1250 190 -1250 {lab=#net1}
N 280 -1250 340 -1250 {lab=VPP}
N 270 -1170 280 -1170 {lab=VSS}
N 250 -1250 280 -1250 {lab=VPP}
N 250 -1090 270 -1090 {lab=VNN}
N 160 -1170 270 -1170 {lab=VSS}
N 550 -950 710 -950 {lab=OUTM}
N 400 -890 550 -890 {lab=FBN}
N 550 -770 550 -750 {lab=IN}
N 350 -890 350 -700 {lab=FBN}
N 710 -950 710 -700 {lab=OUTM}
N 710 -240 860 -240 {lab=OUTP}
N 260 -220 350 -220 {lab=INX}
N 550 -490 710 -490 {lab=OUTP}
N 400 -430 550 -430 {lab=FB}
N 350 -430 350 -240 {lab=FB}
N 710 -490 710 -240 {lab=OUTP}
N 240 -370 240 -350 {lab=VPP}
N 240 -290 240 -220 {lab=INX}
N 260 -220 260 -190 {lab=INX}
N 260 -130 260 -110 {lab=VSS}
N 510 -1120 580 -1120 {lab=VSS}
N 550 -1160 580 -1160 {lab=IN}
N 620 -1170 710 -1170 {lab=REFM}
N 200 -220 240 -220 {lab=INX}
N 550 -310 550 -290 {lab=VSS}
N 650 -700 710 -700 {lab=OUTM}
N 650 -240 710 -240 {lab=OUTP}
N 240 -220 260 -220 {lab=INX}
N 260 -680 350 -680 {lab=VSSX}
N 240 -830 240 -810 {lab=VPP}
N 240 -750 240 -680 {lab=VSSX}
N 260 -680 260 -650 {lab=VSSX}
N 260 -590 260 -570 {lab=VSS}
N 240 -680 260 -680 {lab=VSSX}
N 180 -680 240 -680 {lab=VSSX}
N 880 -1250 900 -1250 {lab=IN_INT}
N 880 -1250 880 -1220 {lab=IN_INT}
N 400 -1000 400 -980 {lab=VPP}
N 400 -920 400 -890 {lab=FBN}
N 400 -540 400 -520 {lab=VPP}
N 400 -460 400 -430 {lab=FB}
N 860 -700 860 -520 {lab=OUTM}
N 860 -460 860 -240 {lab=OUTP}
N 350 -890 400 -890 {lab=FBN}
N 350 -430 400 -430 {lab=FB}
N 580 -1110 620 -1110 {lab=VSS}
N 580 -1120 580 -1110 {lab=VSS}
C {code.sym} 1020 -210 0 0 {name=STIMULI
only_toplevel=true
tclcommand="xschem edit_vi_prop"
value=".option PARHIER=LOCAL RUNLVL=6 post MODMONTE=1 warn maxwarns=400
.option ITL4=20000 ITL5=0
* .option sampling_method = SRS  
* .option method=gear
vvss vss 0 dc 0 
.temp 30

.param frequ=20k
.param gain=42
.tran  6e-7 0.009 uic


** models are generally not free: you must download
** SPICE models for active devices and put them  into the below 
** referenced file in simulation directory.
.include \\"models_poweramp.txt\\"
.save all
* .FOUR 20k v(outm,outp)
* .probe i(*) 
* .probe p(r*) p(v*)
"}
C {vsource.sym} 160 -1200 0 0 {name=V1 value="pwl 0 0 1m 50"}
C {vsource.sym} 160 -1140 0 0 {name=V0 value="pwl 0 0 1m 50"}
C {lab_pin.sym} 340 -1250 0 1 {name=p5 lab=VPP}
C {lab_pin.sym} 340 -1090 0 1 {name=p6 lab=VNN}
C {lab_pin.sym} 340 -1170 0 1 {name=p3 lab=VSS}
C {lab_pin.sym} 860 -240 0 1 {name=p14 lab=OUTP}
C {res.sym} 860 -490 0 1 {name=R1 m=1 value=8}
C {lab_pin.sym} 510 -1200 0 0 {name=p26 lab=VSS}
C {lab_pin.sym} 550 -1240 0 0 {name=p31 lab=IN}
C {vcvs.sym} 620 -1220 0 0 {name=E3 value='gain*0.99'}
C {lab_pin.sym} 710 -1250 0 1 {name=p32 lab=REFP}
C {capa.sym} 280 -1210 0 0 {name=C2 m=1 value="100u"}
C {capa.sym} 270 -1130 0 0 {name=C3 m=1 value="100u"}
C {res.sym} 220 -1250 1 1 {name=R11 m=1 value=0.3}
C {res.sym} 220 -1090 1 1 {name=R9 m=1 value=0.3}
C {res.sym} 550 -920 0 1 {name=R19 m=1 value='100k'}
C {res.sym} 550 -860 0 1 {name=R0 m=1 value="'100k/gain'"}
C {lab_pin.sym} 550 -750 0 0 {name=p108 lab=IN}
C {mos_power_ampli.sym} 500 -660 0 0 {name=x1}
C {lab_pin.sym} 350 -640 0 0 {name=p2 lab=VPP}
C {lab_pin.sym} 350 -620 0 0 {name=p4 lab=VNN}
C {lab_pin.sym} 860 -700 0 1 {name=p9 lab=OUTM}
C {mos_power_ampli.sym} 500 -200 0 0 {name=x0}
C {lab_pin.sym} 350 -180 0 0 {name=p12 lab=VPP}
C {lab_pin.sym} 350 -160 0 0 {name=p13 lab=VNN}
C {res.sym} 240 -320 0 1 {name=R6 m=1 value=100k}
C {lab_pin.sym} 240 -370 0 0 {name=p7 lab=VPP}
C {res.sym} 260 -160 0 1 {name=R7 m=1 value=100k}
C {lab_pin.sym} 260 -110 0 0 {name=p15 lab=VSS}
C {lab_pin.sym} 510 -1120 0 0 {name=p20 lab=VSS}
C {lab_pin.sym} 550 -1160 0 0 {name=p21 lab=IN}
C {vcvs.sym} 620 -1140 0 0 {name=E0 value='-gain*0.99'}
C {lab_pin.sym} 710 -1170 0 1 {name=p23 lab=REFM}
C {lab_pin.sym} 240 -250 0 0 {name=p8 lab=INX}
C {lab_pin.sym} 880 -1100 0 0 {name=p126 lab=VSS}
C {lab_pin.sym} 960 -1250 0 1 {name=p127 lab=IN}
C {capa.sym} 550 -800 0 0 {name=C5 m=1 value="100n ic=0"}
C {lab_pin.sym} 550 -290 0 0 {name=p11 lab=VSS}
C {capa.sym} 550 -340 0 0 {name=C6 m=1 value="100n ic=0"}
C {lab_pin.sym} 350 -200 0 0 {name=p28 lab=VSS}
C {lab_pin.sym} 350 -660 0 0 {name=p1 lab=VSS}
C {res.sym} 550 -460 0 1 {name=R2 m=1 value='100k'}
C {res.sym} 550 -400 0 1 {name=R3 m=1 value="'100k/(gain-2)'"}
C {vsource.sym} 880 -1190 0 0 {name=V3 
xvalue="pulse -.1 .1 1m .1u .1u 10.1u 20u" 
value="sin 0 1 frequ 1m"
}
C {res.sym} 240 -780 0 1 {name=R4 m=1 value=100k}
C {lab_pin.sym} 240 -830 0 0 {name=p18 lab=VPP}
C {res.sym} 260 -620 0 1 {name=R5 m=1 value=100k}
C {lab_pin.sym} 260 -570 0 0 {name=p10 lab=VSS}
C {res.sym} 400 -950 0 1 {name=R8 m=1 value=100k}
C {capa.sym} 170 -220 1 0 {name=C4 m=1 value="100n ic=0"}
C {lab_pin.sym} 140 -220 0 0 {name=p0 lab=IN}
C {capa.sym} 150 -680 1 0 {name=C1 m=1 value="100n ic=0"}
C {lab_pin.sym} 120 -680 0 0 {name=p17 lab=VSS}
C {lab_pin.sym} 240 -710 0 0 {name=p22 lab=VSSX}
C {res.sym} 930 -1250 1 1 {name=R10 m=1 value=2}
C {lab_pin.sym} 400 -1000 0 0 {name=p24 lab=VPP}
C {res.sym} 400 -490 0 1 {name=R13 m=1 value=100k}
C {lab_pin.sym} 400 -540 0 0 {name=p16 lab=VPP}
C {vsource.sym} 880 -1130 0 0 {name=V4 value=0 xvalue="pwl 0 .1 1m .1 1.01m 0"
}
C {lab_pin.sym} 350 -270 0 0 {name=p19 lab=FB}
C {lab_pin.sym} 350 -730 0 0 {name=p25 lab=FBN}
C {title.sym} 160 -30 0 0 {name=l2 author="Stefan Schippers"}
C {lab_pin.sym} 880 -1250 0 0 {name=p27 lab=IN_INT}