Version 4
SHEET 1 880 996
WIRE -1888 -144 -2000 -144
WIRE -1680 -144 -1824 -144
WIRE -1504 -144 -1680 -144
WIRE -1280 -144 -1504 -144
WIRE -624 -144 -1280 -144
WIRE -496 -144 -624 -144
WIRE -304 -144 -496 -144
WIRE 16 -144 -304 -144
WIRE 176 -144 16 -144
WIRE 336 -144 176 -144
WIRE 384 -144 336 -144
WIRE 528 -144 384 -144
WIRE 736 -144 528 -144
WIRE -2000 -128 -2000 -144
WIRE -1680 -128 -1680 -144
WIRE 16 -128 16 -144
WIRE 176 -128 176 -144
WIRE 384 -128 384 -144
WIRE 736 -64 736 -144
WIRE 0 -48 -464 -48
WIRE -2000 -32 -2000 -48
WIRE -1120 -32 -1440 -32
WIRE 16 -32 16 -48
WIRE 176 -32 176 -48
WIRE 384 -32 384 -48
WIRE 656 -32 384 -32
WIRE -1120 -16 -1120 -32
WIRE -1280 0 -1280 -144
WIRE -304 0 -304 -144
WIRE 528 0 528 -144
WIRE 96 16 80 16
WIRE 112 16 96 16
WIRE -1680 32 -1680 -48
WIRE -624 48 -624 -144
WIRE -1440 64 -1440 -32
WIRE -1392 64 -1440 64
WIRE -1120 64 -1168 64
WIRE -464 64 -464 -48
WIRE -416 64 -464 64
WIRE -160 64 -192 64
WIRE 0 64 0 -48
WIRE 0 64 -80 64
WIRE 16 64 0 64
WIRE 384 64 384 -32
WIRE 416 64 384 64
WIRE 656 64 656 -32
WIRE 656 64 640 64
WIRE -2000 80 -2000 48
WIRE -1824 80 -2000 80
WIRE -1744 80 -1824 80
WIRE 96 96 96 16
WIRE 176 96 176 64
WIRE 176 96 96 96
WIRE 736 96 736 16
WIRE -2000 112 -2000 80
WIRE -1568 128 -1680 128
WIRE -1440 128 -1440 64
WIRE -1440 128 -1568 128
WIRE -1392 128 -1440 128
WIRE -912 128 -1168 128
WIRE -784 128 -912 128
WIRE -464 128 -464 64
WIRE -416 128 -464 128
WIRE -112 128 -192 128
WIRE 0 128 -112 128
WIRE 224 128 64 128
WIRE 416 128 224 128
WIRE -624 144 -624 128
WIRE -112 176 -112 128
WIRE -1392 192 -1440 192
WIRE -1120 192 -1168 192
WIRE -496 192 -496 -144
WIRE -416 192 -496 192
WIRE -160 192 -192 192
WIRE 336 192 336 -144
WIRE 416 192 336 192
WIRE 736 192 736 176
WIRE 736 192 640 192
WIRE -1824 208 -1824 80
WIRE 736 208 736 192
WIRE 176 224 176 96
WIRE -912 256 -912 128
WIRE -2000 272 -2000 192
WIRE -624 272 -624 224
WIRE -160 272 -160 192
WIRE -160 272 -624 272
WIRE -624 288 -624 272
WIRE 384 304 384 64
WIRE -1680 320 -1680 128
WIRE -1504 320 -1504 -144
WIRE -160 320 -160 272
WIRE 736 320 736 288
WIRE -1120 336 -1120 192
WIRE -624 384 -624 368
WIRE -464 384 -464 128
WIRE -2000 480 -2000 352
WIRE -1824 480 -1824 272
WIRE -1824 480 -2000 480
WIRE -1680 480 -1680 384
WIRE -1680 480 -1824 480
WIRE -1504 480 -1504 384
WIRE -1504 480 -1680 480
WIRE -1280 480 -1280 256
WIRE -1280 480 -1504 480
WIRE -1120 480 -1120 400
WIRE -1120 480 -1280 480
WIRE -912 480 -912 320
WIRE -912 480 -1120 480
WIRE -624 480 -624 464
WIRE -624 480 -912 480
WIRE -464 480 -464 448
WIRE -464 480 -624 480
WIRE -304 480 -304 256
WIRE -304 480 -464 480
WIRE -160 480 -160 384
WIRE -160 480 -304 480
WIRE 48 480 -160 480
WIRE 176 480 176 304
WIRE 176 480 48 480
WIRE 384 480 384 368
WIRE 384 480 176 480
WIRE 528 480 528 256
WIRE 528 480 384 480
WIRE 736 480 736 400
WIRE 736 480 528 480
WIRE 48 512 48 480
WIRE -112 544 -112 176
WIRE 672 544 160 544
WIRE 160 560 160 544
WIRE 352 640 352 624
WIRE 352 640 320 640
WIRE 528 640 352 640
WIRE 672 640 672 544
WIRE 672 640 608 640
WIRE 160 656 160 640
WIRE 160 656 80 656
WIRE 320 656 320 640
WIRE 528 688 528 640
WIRE -464 704 -464 688
WIRE -112 704 -112 608
WIRE -96 704 -112 704
WIRE 16 704 -16 704
WIRE 320 752 320 736
WIRE 320 752 80 752
WIRE 368 752 320 752
WIRE 416 752 368 752
WIRE 672 752 672 640
WIRE 672 752 640 752
WIRE -464 800 -464 784
WIRE 160 816 160 656
WIRE 320 816 320 752
WIRE 368 816 368 752
WIRE 416 816 368 816
WIRE 160 928 160 880
WIRE 320 928 320 896
WIRE 320 928 160 928
WIRE 320 960 320 928
WIRE 528 976 528 944
FLAG 736 -144 +12V
FLAG 48 512 0
FLAG -464 800 0
FLAG 640 128 ENA
FLAG 224 128 GEN
FLAG 528 976 0
FLAG 416 880 +12V
FLAG 352 624 +12V
FLAG 320 960 0
FLAG 640 816 DIR
FLAG -464 688 +12V
FLAG -112 176 BASIS
FLAG -784 128 SPEED
FLAG -1824 80 SET
FLAG -1568 128 TRIGGER
FLAG -1440 192 ENA
SYMBOL res -640 368 R0
SYMATTR InstName R1
SYMATTR Value 2k2
SYMBOL res -640 272 R0
SYMATTR InstName R2
SYMATTR Value {Ru1}
SYMBOL res -640 128 R0
SYMATTR InstName R3
SYMATTR Value {Ro1}
SYMBOL res -640 32 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL polcap -480 384 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 4µ7
SYMATTR InstName C1
SYMATTR SpiceLine V=6.3 Irms=34m Rser=2.4 Lser=0 mfg="Nichicon" pn="UPR0J220MAH" type="Al electrolytic"
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL cap -176 320 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL Misc\\NE555_Alleskoenner -304 128 R0
SYMATTR InstName U1
SYMBOL voltage -464 688 R0
WINDOW 123 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12V
SYMATTR SpiceLine Rser=100
SYMBOL res 32 -32 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res 192 -32 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL Misc\\NE555_Alleskoenner 528 128 R0
SYMATTR InstName U2
SYMBOL res 720 304 R0
SYMATTR InstName R7
SYMATTR Value 7k
SYMBOL res 720 192 R0
SYMATTR InstName R8
SYMATTR Value {Ru2}
SYMBOL res 720 80 R0
SYMATTR InstName R9
SYMATTR Value {Ro2}
SYMBOL res 720 -80 R0
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL res 368 -144 R0
SYMATTR InstName R11
SYMATTR Value 100k
SYMBOL cap 368 304 R0
SYMATTR InstName C2
SYMATTR Value 4µ7
SYMBOL res 160 208 R0
SYMATTR InstName R12
SYMATTR Value 220k
SYMBOL pnp 80 64 R180
SYMATTR InstName Q1
SYMATTR Value BC327-25
SYMBOL pnp 112 64 M180
SYMATTR InstName Q2
SYMATTR Value BC327-25
SYMBOL Misc\\NE555_Alleskoenner 528 816 R0
SYMATTR InstName U3
SYMBOL diode 0 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 0 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL cap 144 816 R0
SYMATTR InstName C4
SYMATTR Value 470n
SYMBOL res 624 624 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 100k
SYMBOL res 176 656 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R15
SYMATTR Value 10k
SYMBOL res 336 752 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R16
SYMATTR Value 100k
SYMBOL res 336 912 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R17
SYMATTR Value 100k
SYMBOL pnp 16 656 R0
SYMATTR InstName Q3
SYMBOL diode -128 544 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -176 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 2k2
SYMBOL res -2016 256 R0
SYMATTR InstName R19
SYMATTR Value 27k
SYMBOL res -2016 96 R0
SYMATTR InstName R20
SYMATTR Value {Ru}
SYMBOL res -2016 -48 R0
SYMATTR InstName R21
SYMATTR Value {Ro}
SYMBOL res -2016 -144 R0
SYMATTR InstName R22
SYMATTR Value 1k
SYMBOL diode -1824 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL pnp -1744 128 M180
SYMATTR InstName Q4
SYMATTR Value BC556B
SYMBOL res -1696 -144 R0
SYMATTR InstName R23
SYMATTR Value 8k2
SYMBOL cap -1696 320 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL polcap -1520 320 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 22µ
SYMATTR InstName C6
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=60m Rser=2.4 Lser=0 mfg="Nichicon" pn="UPR1E220MAH" type="Al electrolytic"
SYMBOL cap -1136 336 R0
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL Misc\\NE555_Alleskoenner -1280 128 R0
SYMATTR InstName U4
SYMBOL cap -928 256 R0
SYMATTR InstName C8
SYMATTR Value 0.001µ
SYMATTR SpiceLine V=25 Irms=55.6m Rser=5.11126 Lser=0 mfg="KEMET" pn="C0603C102K3RAC" type="X7R"
SYMBOL cap -1840 208 R0
SYMATTR InstName C9
SYMATTR Value 1n
SYMBOL res -1136 -32 R0
SYMATTR InstName R24
SYMATTR Value 100
TEXT -480 504 Left 2 !.tran 0 10s 0\n.step param Rt1 list 0.1 0.9\n;step param Rt2 list 0.1 0.9
TEXT -504 -168 Left 2 !.param Rt2=0.1 Rt1=0.1 Ro1=25k*{Rt1} Ro2=25k*{Rt2} Ru1=25k-{Ro1} Ru2=25k-{Ro2}
TEXT -1728 -176 Left 2 !.param Rt=0.5 Ro=25k*Rt Ru=25k-Ro