Version 4
SHEET 1 1728 1024
WIRE -2208 -384 -2224 -384
WIRE -2112 -384 -2128 -384
WIRE -2320 -304 -2352 -304
WIRE -2224 -304 -2224 -384
WIRE -2224 -304 -2240 -304
WIRE -2208 -304 -2224 -304
WIRE -2112 -288 -2112 -384
WIRE -2112 -288 -2144 -288
WIRE -2032 -288 -2112 -288
WIRE -2208 -272 -2224 -272
WIRE -2352 -256 -2352 -304
WIRE -1552 -256 -1568 -256
WIRE -1456 -256 -1472 -256
WIRE -2224 -240 -2224 -272
WIRE -2176 -240 -2176 -256
WIRE -2032 -240 -2032 -288
WIRE -1568 -224 -1568 -256
WIRE -1856 -176 -1856 -192
WIRE -2352 -160 -2352 -176
WIRE -1920 -160 -1952 -160
WIRE -1888 -160 -1920 -160
WIRE -1808 -144 -1824 -144
WIRE -1792 -144 -1808 -144
WIRE -1760 -144 -1792 -144
WIRE -1712 -144 -1760 -144
WIRE -1616 -144 -1632 -144
WIRE -2032 -128 -2032 -160
WIRE -1888 -128 -2032 -128
WIRE -1792 -96 -1792 -144
WIRE -1568 -64 -1568 -128
WIRE -1456 -64 -1456 -256
WIRE -2032 -48 -2032 -128
WIRE -2112 16 -2112 -16
WIRE -1952 16 -1952 -160
WIRE -1792 16 -1792 -32
WIRE -1792 16 -1952 16
WIRE -1712 16 -1792 16
WIRE -1568 16 -1568 -64
WIRE -1568 16 -1632 16
WIRE -1760 32 -1760 -144
WIRE -1568 32 -1568 16
WIRE -1952 192 -1952 16
WIRE -1760 192 -1760 176
WIRE -1760 192 -1952 192
WIRE -1760 224 -1760 192
WIRE -2112 336 -2112 96
WIRE -2032 336 -2032 32
WIRE -2032 336 -2112 336
WIRE -1856 336 -1856 -112
WIRE -1856 336 -2032 336
WIRE -1760 336 -1760 304
WIRE -1760 336 -1856 336
WIRE -1568 336 -1568 112
WIRE -1568 336 -1760 336
WIRE -1488 336 -1568 336
WIRE -1456 336 -1456 16
WIRE -1456 336 -1488 336
WIRE -1488 352 -1488 336
FLAG -1568 -256 out
FLAG -1488 336 -Ub
FLAG -2112 -16 -48V
FLAG -1808 -144 Q
FLAG -1488 352 0
FLAG -2352 -160 0
FLAG -1856 -192 -48V
FLAG -1568 -64 sn
FLAG -2032 -128 in-n
FLAG -2224 -240 0
FLAG -2176 -240 0
FLAG -2176 -320 -48V
FLAG -1920 -160 inv
SYMBOL nmos -1616 -224 R0
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL cap -1808 -96 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL Misc\\EuropeanResistor -1728 32 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 9.1k
SYMBOL Misc\\EuropeanResistor -1552 128 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value .75
SYMBOL Misc\\EuropeanResistor -1728 -128 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL voltage -1456 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 60
SYMBOL Misc\\EuropeanResistor -2016 48 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL Misc\\EuropeanResistor -1568 -240 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R17
SYMATTR Value 20
SYMBOL voltage -2112 0 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 Opamps\\UniversalOpamp2 -1856 -144 R0
SYMATTR InstName U2
SYMBOL voltage -2352 -272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -50 151 Left 2
WINDOW 0 -48 22 Left 2
SYMATTR Value SINE(0 1.2 80)
SYMATTR InstName V6
SYMBOL Misc\\EuropeanResistor -2336 -288 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 33k
SYMBOL voltage -2032 -256 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 {voff}
SYMATTR InstName V4
SYMBOL Misc\\EuropeanResistor -2224 -368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 33k
SYMBOL Opamps\\UniversalOpamp2 -2176 -288 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor -1744 128 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMATTR SpiceLine tol=10k
SYMBOL Misc\\EuropeanResistor -1744 320 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R8
SYMATTR Value 33k
SYMBOL cap -1776 112 R0
SYMATTR InstName C2
SYMATTR Value 100n
TEXT -2296 16 Left 2 !.lib IRFP9240.lib
TEXT -2296 -8 Left 2 !.opt plotwinsize=0
TEXT -2296 -56 Left 2 !.tran 0 100m 0 1m
TEXT -2296 -32 Left 2 ;.meas Io avg I(R17)
TEXT -2248 -448 Left 2 !.step param voff list 0 .3
TEXT -2200 -136 Left 2 ;(+ Halbwelle)