Version 4
SHEET 1 5312 4436
WIRE -1360 1296 -1360 1264
WIRE -1056 1312 -1216 1312
WIRE -1136 1376 -1136 1360
WIRE -1216 1392 -1216 1312
WIRE -1168 1392 -1216 1392
WIRE -1632 1408 -1808 1408
WIRE -1056 1408 -1056 1312
WIRE -1056 1408 -1104 1408
WIRE -1008 1408 -1056 1408
WIRE -880 1408 -928 1408
WIRE -1360 1424 -1360 1376
WIRE -1168 1424 -1360 1424
WIRE -1808 1440 -1808 1408
WIRE -1136 1456 -1136 1440
WIRE -1360 1520 -1360 1424
WIRE -784 1520 -832 1520
WIRE -656 1520 -704 1520
WIRE -1808 1552 -1808 1520
WIRE -1056 1552 -1216 1552
WIRE -1136 1616 -1136 1600
WIRE -1728 1632 -1808 1632
WIRE -1216 1632 -1216 1552
WIRE -1168 1632 -1216 1632
WIRE -736 1632 -736 1616
WIRE -1056 1648 -1056 1552
WIRE -1056 1648 -1104 1648
WIRE -1008 1648 -1056 1648
WIRE -832 1648 -832 1520
WIRE -832 1648 -928 1648
WIRE -768 1648 -832 1648
WIRE -1360 1664 -1360 1600
WIRE -1168 1664 -1360 1664
WIRE -656 1664 -656 1520
WIRE -656 1664 -704 1664
WIRE -576 1664 -656 1664
WIRE -1808 1680 -1808 1632
WIRE -880 1680 -880 1408
WIRE -768 1680 -880 1680
WIRE -1136 1696 -1136 1680
WIRE -736 1712 -736 1696
WIRE -880 1728 -880 1680
WIRE -1360 1792 -1360 1664
WIRE -1808 1808 -1808 1760
WIRE -1552 1840 -1552 1824
WIRE -1584 1856 -1680 1856
WIRE -880 1856 -880 1808
WIRE -1408 1872 -1520 1872
WIRE -1584 1888 -1808 1888
WIRE -1808 1920 -1808 1888
WIRE -1552 1920 -1552 1904
WIRE -1680 1968 -1680 1856
WIRE -1360 1968 -1360 1888
WIRE -1360 1968 -1680 1968
WIRE -1360 2016 -1360 1968
WIRE -1808 2032 -1808 2000
WIRE -1360 2144 -1360 2096
FLAG -1360 2144 0
FLAG -1808 2032 0
FLAG -1808 1808 0
FLAG -1728 1632 V+
FLAG -1360 1264 VB
FLAG -1632 1408 VB
FLAG -1808 1552 0
FLAG -880 1856 0
FLAG -736 1712 0
FLAG -736 1616 VB
FLAG -1136 1696 0
FLAG -1136 1600 VB
FLAG -1136 1456 0
FLAG -1136 1360 VB
FLAG -1552 1920 0
FLAG -1552 1824 V+
DATAFLAG -1296 1664 "round($*1k)/1k"
DATAFLAG -1296 1424 "round($*1k)/1k"
DATAFLAG -1056 1312 "round($*1k)/1k"
DATAFLAG -1056 1552 "round($*1k)/1k"
DATAFLAG -576 1664 "round($*1k)/1k"
DATAFLAG -1456 1968 "round($*1k)/1k"
DATAFLAG -1808 1888 "round($*1k)/1k"
DATAFLAG -1808 1632 "round($*1k)/1k"
DATAFLAG -1808 1408 "round($*1k)/1k"
SYMBOL res -1376 1504 R0
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL res -1376 2000 R0
SYMATTR InstName R2
SYMATTR Value 1440
SYMBOL voltage -1808 1904 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL voltage -1808 1664 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res -1376 1280 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL voltage -1808 1424 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL res -1024 1664 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 12k
SYMBOL res -896 1712 R0
SYMATTR InstName R5
SYMATTR Value 2k
SYMBOL res -1024 1424 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 12k
SYMBOL res -800 1536 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 2k
SYMBOL nmos -1408 1792 R0
SYMATTR InstName M1
SYMATTR Value BSN20
SYMATTR Prefix X
SYMBOL Opamps\\opamp2 -1552 1808 R0
SYMATTR InstName U6
SYMATTR Value TSB61X
SYMBOL Opamps\\opamp2 -1136 1344 R0
SYMATTR InstName U7
SYMATTR Value TSB61X
SYMBOL Opamps\\opamp2 -1136 1584 R0
SYMATTR InstName U8
SYMATTR Value TSB61X
SYMBOL Opamps\\opamp2 -736 1600 R0
SYMATTR InstName U9
SYMATTR Value TSB61X
TEXT -1808 1280 Left 2 !.tran 10m
TEXT -1808 1224 Left 2 !.lib BSN20.net
TEXT -1808 1184 Left 2 !.lib TSB611.net
TEXT -1552 1184 Left 2 !.options noopiter gminsteps=0 srcsteps=0