Version 4
SHEET 1 1128 680
WIRE 880 -112 560 -112
WIRE 1024 -112 976 -112
WIRE 560 -16 560 -112
WIRE 576 -16 560 -16
WIRE 688 -16 656 -16
WIRE 720 -16 688 -16
WIRE 848 -16 800 -16
WIRE 928 -16 928 -48
WIRE 928 -16 848 -16
WIRE 128 16 32 16
WIRE 1024 16 1024 -112
WIRE 688 32 688 -16
WIRE 848 32 848 -16
WIRE 928 32 928 -16
WIRE 32 48 32 16
WIRE 688 128 688 96
WIRE 848 128 848 96
WIRE 848 128 688 128
WIRE 928 128 928 96
WIRE 928 128 848 128
WIRE 1024 128 1024 96
WIRE 1024 128 928 128
WIRE 32 160 32 128
WIRE 128 160 32 160
WIRE 688 160 688 128
WIRE 848 160 848 128
WIRE 928 160 928 128
WIRE 1024 160 1024 128
WIRE 32 192 32 160
WIRE 128 208 128 160
WIRE 576 272 560 272
WIRE 688 272 688 224
WIRE 688 272 656 272
WIRE 720 272 688 272
WIRE 848 272 848 224
WIRE 848 272 800 272
WIRE 928 272 928 224
WIRE 928 272 848 272
WIRE 32 304 32 272
WIRE 128 304 32 304
WIRE 928 304 928 272
WIRE 560 368 560 272
WIRE 880 368 560 368
WIRE 1024 368 1024 240
WIRE 1024 368 976 368
FLAG 128 208 0
FLAG 128 16 +24V
FLAG 128 304 -24V
SYMBOL voltage 32 32 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL voltage 32 176 R0
SYMATTR InstName V2
SYMATTR Value 24
SYMBOL res 672 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMBOL res 816 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMBOL cap 672 32 R0
SYMATTR InstName C1
SYMBOL cap 672 160 R0
SYMATTR InstName C2
SYMBOL res 672 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMBOL res 816 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMBOL diode 864 96 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL diode 864 224 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL cap 912 32 R0
SYMATTR InstName C3
SYMBOL cap 912 160 R0
SYMATTR InstName C4
SYMBOL res 1008 0 R0
SYMATTR InstName R5
SYMBOL res 1008 144 R0
SYMATTR InstName R6
SYMBOL npn 880 -48 R270
SYMATTR InstName Q1
SYMBOL pnp 880 304 M90
SYMATTR InstName Q2