* SPICE netlist
M1 N026 vgb vs_m1 0 NMOS_VTL l=50n w=150n
M2 N021 N018 N026 0 NMOS_VTL l=50n w=150n
M3 N019 vgb N021 0 NMOS_VTL l=50n w=150n
M4 vd_m4 N018 N019 0 NMOS_VTL l=50n w=150n
C30 0 vd_m4 {CL}
C2 N021 0 {CL}
C3 N019 0 {Cdec}
C4 N018 0 {Cdec}
C5 N026 0 {Cdec}
R1 N018 vgb {Rval}
V1 vgb 0 {Vgb}
M5 N013 vgb vd_m4 0 NMOS_VTL l=50n w=150n
M6 N009 N001 N013 0 NMOS_VTL l=50n w=150n
M7 N005 vgb N009 0 NMOS_VTL l=50n w=150n
M8 vd_m8 N001 N005 0 NMOS_VTL l=50n w=150n
C6 0 vd_m8 {CL}
C7 N009 0 {CL}
C8 N005 0 {Cdec}
C9 N001 0 {Cdec}
C10 N013 0 {Cdec}
R4 N001 vgb {Rval}
M9 N014 vgb vd_m8 0 NMOS_VTL l=50n w=150n
M10 N010 N002 N014 0 NMOS_VTL l=50n w=150n
M11 N006 vgb N010 0 NMOS_VTL l=50n w=150n
M12 vd_m12 N002 N006 0 NMOS_VTL l=50n w=150n
C11 0 vd_m12 {CL}
C12 N010 0 {CL}
C13 N006 0 {Cdec}
C14 N002 0 {Cdec}
C15 N014 0 {Cdec}
R5 N002 vgb {Rval}
M13 N015 vgb vd_m12 0 NMOS_VTL l=50n w=150n
M14 N011 N003 N015 0 NMOS_VTL l=50n w=150n
M15 N007 vgb N011 0 NMOS_VTL l=50n w=150n
M16 vd_m16 N003 N007 0 NMOS_VTL l=50n w=150n
C16 0 vd_m16 {CL}
C17 N011 0 {CL}
C18 N007 0 {Cdec}
C19 N003 0 {Cdec}
C20 N015 0 {Cdec}
R6 N003 vgb {Rval}
M17 N016 vgb vd_m16 0 NMOS_VTL l=50n w=150n
M18 N012 N004 N016 0 NMOS_VTL l=50n w=150n
M19 N008 vgb N012 0 NMOS_VTL l=50n w=150n
M20 vd_m20 N004 N008 0 NMOS_VTL l=50n w=150n
C21 0 vd_m20 {CL}
C22 N012 0 {CL}
C23 N008 0 {Cdec}
C24 N004 0 {Cdec}
C25 N016 0 {Cdec}
R7 N004 vgb {Rval}
M21 out vd_m20 0 0 NMOS_VTL l=50n w=75n
I2 vdd out 15n
M22 vdd out N024 0 NMOS_VTL l=500n w=1u
V3 vdd 0 1
I3 N024 0 20n
R8 N024 vs_m1 20Meg
C1 vs_m1 0 1n
M23 N025 N023 0 0 NMOS_VTL l=50n w=75n
M24 N023 N023 0 0 NMOS_VTL l=50n w=75n
M25 N020 N022 N023 N020 PMOS_VTL l=150n w=1u
M26 N020 out N025 N020 PMOS_VTL l=150n w=1u
V4 N022 0 0.18V
I4 N017 0 15n
C27 out 0 15f
M27 comp_out N025 0 0 NMOS_VTL l=50n w=300n
M29 vdd N017 N020 vdd PMOS_VTL l=150n w=1u m=3
M30 vdd N017 N017 vdd PMOS_VTL l=150n w=1u
M28 vdd N017 comp_out vdd PMOS_VTL l=150n w=1u m=3
.param CL=25f
.param Cdec=25f
.param Rval=1Meg
.param Vgb=0.26
.noise V(out) V1 dec 100 10 1000Meg

* LTspice schematic (.asc)
Version 4
SHEET 1 4880 2208
WIRE -328 -1088 -392 -1088
WIRE -200 -1088 -264 -1088
WIRE 552 -1088 488 -1088
WIRE 680 -1088 616 -1088
WIRE 1432 -1088 1368 -1088
WIRE 1560 -1088 1496 -1088
WIRE 2312 -1088 2248 -1088
WIRE 2440 -1088 2376 -1088
WIRE -200 -1072 -200 -1088
WIRE 680 -1072 680 -1088
WIRE 1560 -1072 1560 -1088
WIRE 2440 -1072 2440 -1088
WIRE -392 -1008 -392 -1088
WIRE 488 -1008 488 -1088
WIRE 1368 -1008 1368 -1088
WIRE 2248 -1008 2248 -1088
WIRE -440 -928 -520 -928
WIRE 440 -928 360 -928
WIRE 1320 -928 1240 -928
WIRE 2200 -928 2120 -928
WIRE -680 -848 -856 -848
WIRE -392 -848 -392 -912
WIRE -392 -848 -616 -848
WIRE 200 -848 24 -848
WIRE 488 -848 488 -912
WIRE 488 -848 264 -848
WIRE 1080 -848 904 -848
WIRE 1368 -848 1368 -912
WIRE 1368 -848 1144 -848
WIRE 1960 -848 1784 -848
WIRE 2248 -848 2248 -912
WIRE 2248 -848 2024 -848
WIRE -392 -800 -392 -848
WIRE 488 -800 488 -848
WIRE 1368 -800 1368 -848
WIRE 2248 -800 2248 -848
WIRE -440 -720 -456 -720
WIRE 440 -720 424 -720
WIRE 1320 -720 1304 -720
WIRE 2200 -720 2184 -720
WIRE -856 -672 -856 -848
WIRE -680 -672 -856 -672
WIRE -520 -672 -520 -928
WIRE -520 -672 -616 -672
WIRE 24 -672 24 -848
WIRE 200 -672 24 -672
WIRE 360 -672 360 -928
WIRE 360 -672 264 -672
WIRE 904 -672 904 -848
WIRE 1080 -672 904 -672
WIRE 1240 -672 1240 -928
WIRE 1240 -672 1144 -672
WIRE 1784 -672 1784 -848
WIRE 1960 -672 1784 -672
WIRE 2120 -672 2120 -928
WIRE 2120 -672 2024 -672
WIRE -392 -656 -392 -704
WIRE -248 -656 -392 -656
WIRE 488 -656 488 -704
WIRE 632 -656 488 -656
WIRE 1368 -656 1368 -704
WIRE 1512 -656 1368 -656
WIRE 2248 -656 2248 -704
WIRE 2392 -656 2248 -656
WIRE -248 -640 -248 -656
WIRE 632 -640 632 -656
WIRE 1512 -640 1512 -656
WIRE 2392 -640 2392 -656
WIRE -248 -624 -248 -640
WIRE 632 -624 632 -640
WIRE 1512 -624 1512 -640
WIRE 2392 -624 2392 -640
WIRE -392 -608 -392 -656
WIRE 488 -608 488 -656
WIRE 1368 -608 1368 -656
WIRE 2248 -608 2248 -656
WIRE -760 -560 -920 -560
WIRE -696 -560 -760 -560
WIRE -520 -560 -520 -672
WIRE -520 -560 -616 -560
WIRE 120 -560 -40 -560
WIRE 184 -560 120 -560
WIRE 360 -560 360 -672
WIRE 360 -560 264 -560
WIRE 1000 -560 840 -560
WIRE 1064 -560 1000 -560
WIRE 1240 -560 1240 -672
WIRE 1240 -560 1144 -560
WIRE 1880 -560 1720 -560
WIRE 1944 -560 1880 -560
WIRE 2120 -560 2120 -672
WIRE 2120 -560 2024 -560
WIRE -520 -528 -520 -560
WIRE -440 -528 -520 -528
WIRE 360 -528 360 -560
WIRE 440 -528 360 -528
WIRE 1240 -528 1240 -560
WIRE 1320 -528 1240 -528
WIRE 2120 -528 2120 -560
WIRE 2200 -528 2120 -528
WIRE -856 -464 -856 -672
WIRE -680 -464 -856 -464
WIRE -392 -464 -392 -512
WIRE -392 -464 -616 -464
WIRE 24 -464 24 -672
WIRE 200 -464 24 -464
WIRE 488 -464 488 -512
WIRE 488 -464 264 -464
WIRE 904 -464 904 -672
WIRE 1080 -464 904 -464
WIRE 1368 -464 1368 -512
WIRE 1368 -464 1144 -464
WIRE 1784 -464 1784 -672
WIRE 1960 -464 1784 -464
WIRE 2248 -464 2248 -512
WIRE 2248 -464 2024 -464
WIRE -392 -416 -392 -464
WIRE 488 -416 488 -464
WIRE 1368 -416 1368 -464
WIRE 2248 -416 2248 -464
WIRE -760 -336 -760 -560
WIRE -456 -336 -456 -720
WIRE -456 -336 -760 -336
WIRE -440 -336 -456 -336
WIRE 120 -336 120 -560
WIRE 424 -336 424 -720
WIRE 424 -336 120 -336
WIRE 440 -336 424 -336
WIRE 1000 -336 1000 -560
WIRE 1304 -336 1304 -720
WIRE 1304 -336 1000 -336
WIRE 1320 -336 1304 -336
WIRE 1880 -336 1880 -560
WIRE 2184 -336 2184 -720
WIRE 2184 -336 1880 -336
WIRE 2200 -336 2184 -336
WIRE -856 -272 -856 -464
WIRE 24 -272 24 -464
WIRE 904 -272 904 -464
WIRE 1784 -272 1784 -464
WIRE -392 -240 -392 -320
WIRE 488 -240 488 -320
WIRE 1368 -240 1368 -320
WIRE 2248 -240 2248 -320
WIRE 1768 64 1704 64
WIRE 1896 64 1832 64
WIRE 1896 80 1896 64
WIRE -1336 112 -1752 112
WIRE 1704 144 1704 64
WIRE 1656 224 1576 224
WIRE -2040 240 -2040 208
WIRE -2040 240 -2136 240
WIRE -1528 240 -1528 208
WIRE -1432 240 -1528 240
WIRE -1064 240 -1064 208
WIRE -968 240 -1064 240
WIRE -424 256 -424 224
WIRE -2136 288 -2136 240
WIRE -2040 288 -2136 288
WIRE -1432 288 -1432 240
WIRE -1432 288 -1528 288
WIRE -968 288 -968 240
WIRE -968 288 -1064 288
WIRE 1416 304 1240 304
WIRE 1704 304 1704 240
WIRE 1704 304 1480 304
WIRE -1944 320 -1992 320
WIRE -1752 320 -1752 112
WIRE -1752 320 -1944 320
WIRE -1576 320 -1752 320
WIRE -1336 320 -1336 112
WIRE -1112 320 -1336 320
WIRE 88 320 88 256
WIRE 1704 352 1704 304
WIRE -2040 384 -2040 336
WIRE -1944 384 -1944 320
WIRE -1944 384 -2040 384
WIRE -424 400 -424 336
WIRE -88 400 -424 400
WIRE 40 400 -88 400
WIRE -2040 416 -2040 384
WIRE -1528 416 -1528 336
WIRE -1528 416 -1672 416
WIRE -1384 416 -1528 416
WIRE -88 432 -88 400
WIRE 1656 432 1640 432
WIRE -1672 448 -1672 416
WIRE -1608 448 -1672 448
WIRE -1384 448 -1384 416
WIRE -1384 448 -1448 448
WIRE -1064 448 -1064 336
WIRE -968 448 -1064 448
WIRE -1672 480 -1672 448
WIRE -1384 480 -1384 448
WIRE 1240 480 1240 304
WIRE 1416 480 1240 480
WIRE 1576 480 1576 224
WIRE 1576 480 1480 480
WIRE 1704 496 1704 448
WIRE 1848 496 1704 496
WIRE -2040 512 -2040 496
WIRE 1848 512 1848 496
WIRE -1608 528 -1608 448
WIRE -1608 528 -1672 528
WIRE -1448 528 -1448 448
WIRE -1384 528 -1448 528
WIRE -88 528 -88 496
WIRE 1848 528 1848 512
WIRE 1704 544 1704 496
WIRE -1720 560 -1832 560
WIRE -1256 560 -1336 560
WIRE -424 560 -424 400
WIRE -1832 576 -1832 560
WIRE -1064 576 -1064 448
WIRE 1336 592 1160 592
WIRE 1400 592 1336 592
WIRE 1576 592 1576 480
WIRE 1576 592 1480 592
WIRE 1160 608 1160 592
WIRE 1576 624 1576 592
WIRE 1656 624 1576 624
WIRE -1672 640 -1672 576
WIRE -1544 640 -1672 640
WIRE -344 640 -376 640
WIRE -88 640 -120 640
WIRE -56 640 -88 640
WIRE 88 640 88 416
WIRE 88 640 24 640
WIRE -1384 656 -1384 576
WIRE -1112 656 -1384 656
WIRE 88 672 88 640
WIRE -88 688 -88 640
WIRE 1240 688 1240 480
WIRE 1416 688 1240 688
WIRE 1704 688 1704 640
WIRE 1704 688 1480 688
WIRE -1672 704 -1672 640
WIRE -1384 704 -1384 656
WIRE -424 704 -424 656
WIRE 1160 704 1160 688
WIRE -1064 720 -1064 672
WIRE 1704 736 1704 688
WIRE -1544 784 -1544 640
WIRE -1544 784 -1624 784
WIRE -1432 784 -1544 784
WIRE -88 784 -88 752
WIRE 88 784 88 752
WIRE 1336 816 1336 592
WIRE 1640 816 1640 432
WIRE 1640 816 1336 816
WIRE 1656 816 1640 816
WIRE -1672 832 -1672 800
WIRE -1384 832 -1384 800
WIRE 1240 848 1240 688
WIRE 1704 912 1704 832
WIRE 1240 1104 1240 848
FLAG 1704 192 0
FLAG 1704 400 0
FLAG 1704 592 0
FLAG 1704 784 0
FLAG 1896 80 0
FLAG 1848 576 0
FLAG 1160 704 0
FLAG -392 -960 0
FLAG -392 -752 0
FLAG -392 -560 0
FLAG -392 -368 0
FLAG -200 -1072 0
FLAG -248 -576 0
FLAG -392 -1088 vd_m8
FLAG -856 -272 vg
FLAG -392 -240 vd_m4
FLAG 1240 848 vg
FLAG 1160 592 vgb
FLAG -920 -560 vgb
FLAG 488 -960 0
FLAG 488 -752 0
FLAG 488 -560 0
FLAG 488 -368 0
FLAG 680 -1072 0
FLAG 632 -576 0
FLAG 488 -1088 vd_m12
FLAG 24 -272 vg
FLAG 488 -240 vd_m8
FLAG -40 -560 vgb
FLAG 1368 -960 0
FLAG 1368 -752 0
FLAG 1368 -560 0
FLAG 1368 -368 0
FLAG 1560 -1072 0
FLAG 1512 -576 0
FLAG 1368 -1088 vd_m16
FLAG 904 -272 vg
FLAG 1368 -240 vd_m12
FLAG 840 -560 vgb
FLAG 2248 -960 0
FLAG 2248 -752 0
FLAG 2248 -560 0
FLAG 2248 -368 0
FLAG 2440 -1072 0
FLAG 2392 -576 0
FLAG 2248 -1088 vd_m20
FLAG 1784 -272 vg
FLAG 2248 -240 vd_m16
FLAG 1720 -560 vgb
FLAG 1704 64 vd_m4
FLAG 1704 912 vs_m1
FLAG -424 704 0
FLAG -424 608 0
FLAG 88 256 vdd
FLAG -2440 288 0
FLAG -2440 208 vdd
FLAG 88 784 0
FLAG -88 784 0
FLAG -344 640 vd_m20
FLAG 88 368 0
FLAG -120 640 vs_m1
FLAG -424 400 out
FLAG -424 224 vdd
FLAG -1384 832 0
FLAG -1672 832 0
FLAG -1672 752 0
FLAG -1384 752 0
FLAG -1832 656 0
FLAG -1256 560 out
FLAG -88 528 0
FLAG -1064 624 0
FLAG -1528 208 vdd
FLAG -2040 208 vdd
FLAG -2040 512 0
FLAG -1064 720 0
FLAG -1064 208 vdd
FLAG 1240 1104 0
FLAG -968 448 comp_out
SYMBOL nmos4 1656 736 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M1
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1656 544 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M2
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1656 352 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M3
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1656 144 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M4
SYMATTR Value2 l=50n w=150n
SYMBOL cap 1832 48 R90
SYMATTR InstName C30
SYMATTR Value {CL}
SYMBOL cap 1832 512 R0
SYMATTR Value {CL}
SYMATTR InstName C2
SYMBOL cap 1480 288 R90
SYMATTR InstName C3
SYMATTR Value {Cdec}
SYMBOL cap 1480 464 R90
SYMATTR InstName C4
SYMATTR Value {Cdec}
SYMBOL cap 1480 672 R90
SYMATTR InstName C5
SYMATTR Value {Cdec}
SYMBOL res 1496 576 R90
SYMATTR InstName R1
SYMATTR Value {Rval}
SYMBOL voltage 1160 592 R0
SYMATTR Value {Vgb}
SYMATTR InstName V1
SYMBOL nmos4 -440 -416 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M5
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 -440 -608 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M6
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 -440 -800 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M7
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 -440 -1008 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M8
SYMATTR Value2 l=50n w=150n
SYMBOL cap -264 -1104 R90
SYMATTR InstName C6
SYMATTR Value {CL}
SYMBOL cap -264 -640 R0
SYMATTR Value {CL}
SYMATTR InstName C7
SYMBOL cap -616 -864 R90
SYMATTR InstName C8
SYMATTR Value {Cdec}
SYMBOL cap -616 -688 R90
SYMATTR InstName C9
SYMATTR Value {Cdec}
SYMBOL cap -616 -480 R90
SYMATTR InstName C10
SYMATTR Value {Cdec}
SYMBOL res -600 -576 R90
SYMATTR InstName R4
SYMATTR Value {Rval}
SYMBOL nmos4 440 -416 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M9
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 440 -608 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M10
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 440 -800 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M11
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 440 -1008 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M12
SYMATTR Value2 l=50n w=150n
SYMBOL cap 616 -1104 R90
SYMATTR InstName C11
SYMATTR Value {CL}
SYMBOL cap 616 -640 R0
SYMATTR Value {CL}
SYMATTR InstName C12
SYMBOL cap 264 -864 R90
SYMATTR InstName C13
SYMATTR Value {Cdec}
SYMBOL cap 264 -688 R90
SYMATTR InstName C14
SYMATTR Value {Cdec}
SYMBOL cap 264 -480 R90
SYMATTR InstName C15
SYMATTR Value {Cdec}
SYMBOL res 280 -576 R90
SYMATTR InstName R5
SYMATTR Value {Rval}
SYMBOL nmos4 1320 -416 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M13
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1320 -608 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M14
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1320 -800 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M15
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 1320 -1008 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M16
SYMATTR Value2 l=50n w=150n
SYMBOL cap 1496 -1104 R90
SYMATTR InstName C16
SYMATTR Value {CL}
SYMBOL cap 1496 -640 R0
SYMATTR Value {CL}
SYMATTR InstName C17
SYMBOL cap 1144 -864 R90
SYMATTR InstName C18
SYMATTR Value {Cdec}
SYMBOL cap 1144 -688 R90
SYMATTR InstName C19
SYMATTR Value {Cdec}
SYMBOL cap 1144 -480 R90
SYMATTR InstName C20
SYMATTR Value {Cdec}
SYMBOL res 1160 -576 R90
SYMATTR InstName R6
SYMATTR Value {Rval}
SYMBOL nmos4 2200 -416 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M17
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 2200 -608 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M18
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 2200 -800 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M19
SYMATTR Value2 l=50n w=150n
SYMBOL nmos4 2200 -1008 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M20
SYMATTR Value2 l=50n w=150n
SYMBOL cap 2376 -1104 R90
SYMATTR InstName C21
SYMATTR Value {CL}
SYMBOL cap 2376 -640 R0
SYMATTR Value {CL}
SYMATTR InstName C22
SYMBOL cap 2024 -864 R90
SYMATTR InstName C23
SYMATTR Value {Cdec}
SYMBOL cap 2024 -688 R90
SYMATTR InstName C24
SYMATTR Value {Cdec}
SYMBOL cap 2024 -480 R90
SYMATTR InstName C25
SYMATTR Value {Cdec}
SYMBOL res 2040 -576 R90
SYMATTR InstName R7
SYMATTR Value {Rval}
SYMBOL nmos4 -376 560 M0
SYMATTR Value NMOS_VTL
SYMATTR InstName M21
SYMATTR Value2 l=50n w=75n
SYMBOL current -424 256 R0
SYMATTR Value 15n
SYMATTR InstName I2
SYMBOL nmos4 40 320 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M22
SYMATTR Value2 l=500n w=1u
SYMBOL voltage -2440 192 R0
SYMATTR InstName V3
SYMATTR Value 1
SYMBOL current 88 672 R0
SYMATTR InstName I3
SYMATTR Value 20n
SYMBOL res 40 624 R90
SYMATTR InstName R8
SYMATTR Value 20Meg
SYMBOL cap -104 688 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL nmos4 -1432 704 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M23
SYMATTR Value2 l=50n w=75n
SYMBOL nmos4 -1624 704 M0
SYMATTR Value NMOS_VTL
SYMATTR InstName M24
SYMATTR Value2 l=50n w=75n
SYMBOL pmos4 -1720 480 R0
SYMATTR Value PMOS_VTL
SYMATTR InstName M25
SYMATTR Value2 l=150n w=1u
SYMBOL pmos4 -1336 480 M0
SYMATTR Value PMOS_VTL
SYMATTR InstName M26
SYMATTR Value2 l=150n w=1u
SYMBOL voltage -1832 560 R0
SYMATTR InstName V4
SYMATTR Value 0.18V
SYMBOL current -2040 416 R0
SYMATTR InstName I4
SYMATTR Value 15n
SYMBOL cap -104 432 R0
SYMATTR InstName C27
SYMATTR Value 15f
SYMBOL nmos4 -1112 576 R0
SYMATTR Value NMOS_VTL
SYMATTR InstName M27
SYMATTR Value2 l=50n w=300n
SYMBOL pmos4 -1576 240 R0
SYMATTR Value PMOS_VTL
SYMATTR InstName M29
SYMATTR Value2 l=150n w=1u m=3
SYMBOL pmos4 -1992 240 M0
SYMATTR Value PMOS_VTL
SYMATTR InstName M30
SYMATTR Value2 l=150n w=1u
SYMBOL pmos4 -1112 240 R0
SYMATTR Value PMOS_VTL
SYMATTR InstName M28
SYMATTR Value2 l=150n w=1u m=3