Version 4
SHEET 1 1728 1024
WIRE -816 -256 -1024 -256
WIRE -768 -256 -816 -256
WIRE -1024 -240 -1024 -256
WIRE -816 -224 -816 -256
WIRE -1744 -192 -1744 -224
WIRE -1520 -144 -1616 -144
WIRE -1392 -144 -1520 -144
WIRE -1328 -144 -1392 -144
WIRE -1280 -144 -1328 -144
WIRE -1248 -144 -1280 -144
WIRE -1120 -144 -1248 -144
WIRE -1024 -144 -1024 -160
WIRE -1024 -144 -1120 -144
WIRE -1616 -112 -1616 -144
WIRE -1520 -112 -1520 -144
WIRE -1392 -112 -1392 -144
WIRE -1248 -112 -1248 -144
WIRE -1120 -112 -1120 -144
WIRE -1744 -96 -1744 -112
WIRE -1744 -64 -1744 -96
WIRE -848 -64 -880 -64
WIRE -816 -64 -816 -144
WIRE -816 -64 -848 -64
WIRE -1328 -16 -1328 -144
WIRE -1248 -16 -1248 -48
WIRE -1120 -16 -1120 -48
WIRE -1120 -16 -1248 -16
WIRE -1392 0 -1392 -32
WIRE -1360 0 -1392 0
WIRE -1280 16 -1296 16
WIRE -1216 16 -1280 16
WIRE -1152 16 -1216 16
WIRE -1072 16 -1152 16
WIRE -1040 16 -1072 16
WIRE -928 16 -960 16
WIRE -768 16 -768 -256
WIRE -1744 32 -1744 16
WIRE -1712 32 -1744 32
WIRE -1584 32 -1648 32
WIRE -1472 32 -1584 32
WIRE -1360 32 -1472 32
WIRE -1584 48 -1584 32
WIRE -1152 48 -1152 16
WIRE -1072 48 -1072 16
WIRE -1392 64 -1392 0
WIRE -1392 64 -1440 64
WIRE -1216 64 -1216 16
WIRE -1440 112 -1440 64
WIRE -880 112 -880 32
WIRE -1616 144 -1616 -32
WIRE -1584 144 -1584 128
WIRE -1584 144 -1616 144
WIRE -1568 160 -1584 160
WIRE -1520 160 -1520 -32
WIRE -1520 160 -1568 160
WIRE -1504 160 -1520 160
WIRE -1392 160 -1392 64
WIRE -1216 160 -1216 128
WIRE -1216 160 -1392 160
WIRE -1152 160 -1152 128
WIRE -1152 160 -1216 160
WIRE -1040 160 -1152 160
WIRE -880 160 -880 112
WIRE -880 160 -960 160
WIRE -1616 176 -1616 144
WIRE -880 176 -880 160
WIRE -1584 192 -1584 160
WIRE -1520 208 -1520 160
WIRE -1440 240 -1440 208
WIRE -1392 240 -1440 240
WIRE -1072 240 -1072 112
WIRE -1072 240 -1392 240
WIRE -1616 304 -1616 256
WIRE -1584 304 -1584 256
WIRE -1584 304 -1616 304
WIRE -1520 304 -1520 288
WIRE -1520 304 -1584 304
WIRE -1328 304 -1328 48
WIRE -1328 304 -1520 304
WIRE -1248 304 -1248 -16
WIRE -1248 304 -1328 304
WIRE -960 304 -1248 304
WIRE -880 304 -880 256
WIRE -880 304 -960 304
WIRE -832 304 -880 304
WIRE -768 304 -768 96
WIRE -768 304 -832 304
WIRE -960 336 -960 304
FLAG -960 336 0
FLAG -1280 16 Q
FLAG -880 -64 Drain
FLAG -880 112 sn
FLAG -1472 32 noninv
FLAG -1392 0 inv
FLAG -832 304 -Ub
FLAG -1280 -144 Uop
FLAG -1392 240 e
FLAG -1568 160 b
FLAG -1744 -96 in
FLAG -848 -64 out
FLAG -1744 -224 0
SYMBOL nmos -928 -64 R0
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL Misc\\EuropeanResistor -1056 176 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -864 272 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value .47
SYMBOL Misc\\EuropeanResistor -1056 32 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 -3 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL voltage -768 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 60
SYMBOL Misc\\EuropeanResistor -1600 272 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R6
SYMATTR Value {R6}
SYMBOL cap -1712 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor -800 -128 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName RLast
SYMATTR Value 20
SYMBOL Opamps\\OP27 -1328 -48 R0
WINDOW 3 10 108 Left 2
SYMATTR InstName U2
SYMBOL cap -1264 -112 R0
WINDOW 3 27 49 Left 2
SYMATTR Value 10µ
SYMATTR InstName C1
SYMBOL zener -1104 -48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -73 0 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C12L
SYMBOL Misc\\EuropeanResistor -1040 -256 R0
SYMATTR InstName R3
SYMATTR Value 4K7
SYMBOL Misc\\EuropeanResistor -1168 32 R0
WINDOW 3 36 71 Left 2
SYMATTR Value 1Meg
SYMATTR InstName R5
SYMBOL voltage -1744 -96 R180
WINDOW 3 -134 102 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 {Uin} 400)
SYMATTR InstName V1
SYMBOL Misc\\EuropeanResistor -1632 -128 R0
WINDOW 0 -27 40 Left 2
WINDOW 3 -34 66 Left 2
SYMATTR InstName R7
SYMATTR Value {R7}
SYMBOL Misc\\EuropeanResistor -1408 -128 R0
SYMATTR InstName R8
SYMATTR Value 12K
SYMBOL diode -1056 112 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -89 28 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -1536 -128 R0
SYMATTR InstName R9
SYMATTR Value 22K
SYMBOL Misc\\EuropeanResistor -1536 192 R0
SYMATTR InstName R10
SYMATTR Value 4K7
SYMBOL npn -1504 112 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL cap -1600 192 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL cap -1232 64 R0
SYMATTR InstName C4
SYMATTR Value 8p2
SYMBOL Misc\\EuropeanResistor -1728 32 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R11
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor -1568 32 M0
WINDOW 0 -27 40 Left 2
WINDOW 3 -35 72 Left 2
SYMATTR InstName R12
SYMATTR Value 1Meg
TEXT -1824 120 Left 2 !.tran 0 25m 15m 100µ
TEXT -1824 144 Left 2 ;isource_darius_001_n.txt
TEXT -1824 80 Left 2 !.param Uin=.75
TEXT -1584 -216 Left 2 !.step param R7 list 118.8k 120k 121.2k\n.step param R6 list 99k 100k 101k
TEXT -1824 96 Left 2 ;.param Uin=0