Version 4
SHEET 1 2164 1000
WIRE 944 -64 944 -96
WIRE 1056 -64 1056 -96
WIRE 784 0 784 -96
WIRE 848 0 848 -96
WIRE 1488 32 1168 32
WIRE 1808 32 1488 32
WIRE -336 48 -368 48
WIRE -224 48 -256 48
WIRE -128 48 -160 48
WIRE 1056 48 1056 16
WIRE -640 64 -640 -64
WIRE 432 64 400 64
WIRE 544 64 512 64
WIRE 640 64 608 64
WIRE 1328 64 1328 -96
WIRE 1328 64 1248 64
WIRE 1408 64 1328 64
WIRE 1648 64 1648 -96
WIRE 1648 64 1568 64
WIRE 1728 64 1648 64
WIRE 128 80 128 -48
WIRE 784 96 784 64
WIRE 848 96 848 64
WIRE 848 96 784 96
WIRE 944 96 944 16
WIRE 944 96 848 96
WIRE 992 96 944 96
WIRE 1248 96 1248 64
WIRE 1408 96 1408 64
WIRE 1568 96 1568 64
WIRE 1728 96 1728 64
WIRE -1216 144 -1216 -80
WIRE -1104 144 -1104 -80
WIRE -992 144 -992 -80
WIRE -880 144 -880 -80
WIRE 944 144 944 96
WIRE 1168 144 1168 32
WIRE 1168 144 1056 144
WIRE 1184 144 1168 144
WIRE 1488 144 1488 32
WIRE 1488 144 1472 144
WIRE 1504 144 1488 144
WIRE 1808 144 1808 32
WIRE 1808 144 1792 144
WIRE -480 176 -512 176
WIRE -368 176 -368 48
WIRE -368 176 -400 176
WIRE -336 176 -368 176
WIRE -128 192 -128 48
WIRE -128 192 -272 192
WIRE -80 192 -128 192
WIRE 288 192 256 192
WIRE 400 192 400 64
WIRE 400 192 368 192
WIRE 432 192 400 192
WIRE -336 208 -704 208
WIRE 640 208 640 64
WIRE 640 208 496 208
WIRE 688 208 640 208
WIRE 432 224 64 224
WIRE 1248 224 1248 192
WIRE 1328 224 1248 224
WIRE 1408 224 1408 192
WIRE 1408 224 1328 224
WIRE 1568 224 1568 192
WIRE 1648 224 1568 224
WIRE 1728 224 1728 192
WIRE 1728 224 1648 224
WIRE -640 240 -640 144
WIRE 128 256 128 160
WIRE 1328 256 1328 224
WIRE 1328 256 1248 256
WIRE 1488 256 1328 256
WIRE 1648 256 1648 224
WIRE 1648 256 1488 256
WIRE 944 272 944 224
WIRE 1488 272 1488 256
WIRE 1488 368 1488 352
WIRE 1488 368 1248 368
WIRE 1488 384 1488 368
WIRE -1216 448 -1216 224
WIRE -1104 448 -1104 224
WIRE -992 448 -992 224
WIRE -880 448 -880 224
WIRE -640 448 -640 320
WIRE 128 464 128 336
WIRE 1488 496 1488 464
FLAG -880 448 0
FLAG -880 -80 vs
FLAG 1056 -96 vs
FLAG 1488 496 0
FLAG 1248 368 i_sense
FLAG -992 -80 v_op+
FLAG -992 448 0
FLAG 1248 256 u_sense
FLAG -80 192 u_drive
FLAG -640 448 0
FLAG -640 -64 vs
FLAG -1104 448 0
FLAG -1104 -80 u_soll
FLAG -304 160 v_op+
FLAG -512 176 u_sense
FLAG -304 224 0
FLAG -704 208 u_soll
FLAG 128 464 0
FLAG 128 -48 vs
FLAG 464 176 v_op+
FLAG 256 192 i_sense
FLAG 464 240 0
FLAG 64 224 i_max
FLAG 784 -96 i_drive
FLAG 848 -96 u_drive
FLAG -1216 448 0
FLAG -1216 -80 i_max
FLAG 688 208 i_drive
FLAG 1648 -96 vs
FLAG 944 -96 vs
FLAG 944 272 0
FLAG 1328 -96 vs
SYMBOL voltage -880 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=1
SYMATTR InstName V2
SYMATTR Value 24
SYMBOL npn 1184 96 R0
SYMATTR InstName Q1
SYMATTR Value FZT849
SYMBOL res 1472 368 R0
SYMATTR InstName R4
SYMATTR Value .1
SYMBOL voltage -992 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL res 1504 368 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R1
SYMATTR Value 15
SYMBOL res -656 48 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res -656 224 R0
SYMATTR InstName R8
SYMATTR Value 8k
SYMBOL res -496 192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R10
SYMATTR Value 470k
SYMBOL res -352 64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL cap -160 32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL voltage -1104 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value PULSE(0 26 100m 1u 100m 700m)
SYMBOL Opamps\\opamp2 -304 128 R0
SYMATTR InstName U3
SYMATTR Value LM358/MC
SYMBOL res 112 64 R0
SYMATTR InstName R14
SYMATTR Value 10k
SYMBOL res 112 240 R0
SYMATTR InstName R15
SYMATTR Value 8k
SYMBOL res 272 208 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R16
SYMATTR Value 470
SYMBOL res 416 80 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R17
SYMATTR Value 10k
SYMBOL cap 608 48 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL Opamps\\opamp2 464 144 R0
SYMATTR InstName U1
SYMATTR Value LM358/MC
SYMBOL schottky 832 0 R0
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 800 64 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn 992 48 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res 1040 -80 R0
SYMATTR InstName R9
SYMATTR Value 240
SYMBOL res 928 -80 R0
SYMATTR InstName R18
SYMATTR Value 22k
SYMBOL res 928 128 R0
SYMATTR InstName R19
SYMATTR Value 1k
SYMBOL voltage -1216 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0.2 0.1 300m 1u 1u 200m)
SYMBOL npn 1792 96 M0
SYMATTR InstName Q5
SYMATTR Value FZT849
SYMBOL npn 1504 96 R0
SYMATTR InstName Q3
SYMATTR Value FZT849
SYMBOL npn 1472 96 M0
SYMATTR InstName Q4
SYMATTR Value FZT849
TEXT -1232 488 Left 0 !.tran 1500m
TEXT -1232 520 Left 0 !.inc LM358_ON.MOD
TEXT 1456 -48 Left 0 ;FZT951