Version 4
SHEET 1 1728 1024
WIRE -800 -96 -800 -128
WIRE -768 -96 -800 -96
WIRE -2016 -64 -2032 -64
WIRE -1904 -64 -1936 -64
WIRE -1840 -64 -1840 -96
WIRE -1840 -64 -1904 -64
WIRE -928 -64 -960 -64
WIRE -912 -64 -928 -64
WIRE -800 -64 -800 -96
WIRE -800 -64 -832 -64
WIRE -1600 -48 -1760 -48
WIRE -1840 -32 -1840 -64
WIRE -1200 -16 -1200 -32
WIRE -1232 0 -1248 0
WIRE -1760 16 -1760 -48
WIRE -1744 16 -1760 16
WIRE -1136 16 -1168 16
WIRE -1104 16 -1136 16
WIRE -1008 16 -1024 16
WIRE -800 16 -800 -64
WIRE -1600 32 -1600 -48
WIRE -1600 32 -1616 32
WIRE -1584 32 -1600 32
WIRE -1424 32 -1504 32
WIRE -1344 32 -1424 32
WIRE -1232 32 -1280 32
WIRE -1136 32 -1136 16
WIRE -1840 48 -1840 32
WIRE -1776 48 -1840 48
WIRE -1744 48 -1776 48
WIRE -1280 80 -1280 32
WIRE -1776 96 -1776 48
WIRE -1712 96 -1712 64
WIRE -1696 96 -1712 96
WIRE -1680 96 -1696 96
WIRE -1600 96 -1600 32
WIRE -1248 112 -1248 0
WIRE -1136 112 -1136 96
WIRE -1136 112 -1248 112
WIRE -1104 112 -1136 112
WIRE -960 112 -960 32
WIRE -960 112 -1024 112
WIRE -1680 128 -1680 96
WIRE -1392 128 -1392 96
WIRE -960 128 -960 112
WIRE -1776 224 -1776 176
WIRE -1680 224 -1680 208
WIRE -1680 224 -1776 224
WIRE -1600 224 -1600 176
WIRE -1600 224 -1680 224
WIRE -1392 224 -1392 208
WIRE -1392 224 -1600 224
WIRE -1280 224 -1280 160
WIRE -1280 224 -1392 224
WIRE -1200 224 -1200 48
WIRE -1200 224 -1280 224
WIRE -960 224 -960 208
WIRE -960 224 -1200 224
WIRE -832 224 -960 224
WIRE -800 224 -800 96
WIRE -800 224 -832 224
FLAG -928 -64 out-n
FLAG -768 -96 0
FLAG -1392 96 -48V
FLAG -1712 0 -48V
FLAG -1200 -32 -48V
FLAG -1696 96 -72V
FLAG -1424 32 in-n
FLAG -832 224 -Ub
FLAG -1904 -64 in
FLAG -2032 -64 0
SYMBOL voltage -1392 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -55 87 Left 2
WINDOW 0 -54 24 Left 2
SYMATTR Value 12
SYMATTR InstName V1
SYMBOL nmos -1008 -64 R0
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL Opamps\\opamp2 -1200 -48 R0
WINDOW 3 19 -1 Left 2
SYMATTR Value LM358
SYMATTR InstName U1
SYMBOL cap -1152 32 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor -1120 128 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -944 224 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value .47
SYMBOL Misc\\EuropeanResistor -1120 32 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL voltage -800 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 60
SYMBOL Misc\\EuropeanResistor -1264 176 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL Opamps\\opamp2 -1712 -32 R0
WINDOW 3 19 -1 Left 2
SYMATTR Value LM358
SYMATTR InstName U2
SYMBOL voltage -1680 224 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 29 96 Left 2
WINDOW 0 45 20 Right 2
SYMATTR Value 12
SYMATTR InstName V5
SYMBOL Misc\\EuropeanResistor -1760 192 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL diode -1680 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL cap -1344 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL cap -1824 -32 M0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor -1600 48 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor -1584 192 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -928 -48 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R17
SYMATTR Value 20
SYMBOL voltage -1920 -64 R90
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 52 111 VLeft 2
WINDOW 0 -54 57 VLeft 2
SYMATTR Value SINE(0 1.44 800)
SYMATTR InstName V2
TEXT -2040 64 Left 2 !.lib LM358.lib
TEXT -2040 88 Left 2 !.lib IRFP9240.lib
TEXT -2040 40 Left 2 !.opt plotwinsize=0
TEXT -2040 16 Left 2 !.tran 0 35mm 25m 1m
TEXT -1520 -136 Left 4 !.temp 15 75