Version 4
SHEET 1 880 728
WIRE -432 -32 -560 -32
WIRE -192 -32 -352 -32
WIRE 32 -32 -192 -32
WIRE 160 -32 32 -32
WIRE 368 -32 160 -32
WIRE 160 16 160 -32
WIRE 368 16 368 -32
WIRE 32 48 32 -32
WIRE 272 64 224 64
WIRE 304 64 272 64
WIRE -560 112 -560 -32
WIRE -192 112 -192 -32
WIRE 272 112 272 64
WIRE 272 112 160 112
WIRE 32 160 32 128
WIRE 32 160 -128 160
WIRE 32 192 32 160
WIRE 160 192 32 192
WIRE 368 208 368 112
WIRE 576 208 368 208
WIRE 32 256 32 192
WIRE 272 272 272 112
WIRE 368 272 368 208
WIRE -192 304 -192 208
WIRE -32 304 -192 304
WIRE -192 336 -192 304
WIRE 224 336 192 336
WIRE 32 384 32 352
WIRE 272 384 272 368
WIRE 368 432 368 352
WIRE 384 432 368 432
WIRE 192 464 192 336
WIRE 240 464 192 464
WIRE 272 464 240 464
WIRE -560 480 -560 192
WIRE -192 480 -192 416
WIRE 32 480 32 464
WIRE -384 528 -448 528
WIRE -256 528 -304 528
WIRE -448 576 -448 528
WIRE 240 592 240 464
WIRE 384 592 384 432
WIRE -192 624 -192 576
WIRE -448 688 -448 656
FLAG 32 480 0
FLAG -560 480 0
FLAG -192 624 0
FLAG -448 688 0
FLAG 240 592 0
FLAG 384 592 0
SYMBOL res 16 32 R0
SYMATTR InstName R1
SYMATTR Value 0.5
SYMBOL pnp2 -32 352 M180
SYMATTR InstName Q1
SYMATTR Value BD132
SYMBOL pnp2 -128 208 R180
SYMATTR InstName Q2
SYMATTR Value BC807-40
SYMBOL voltage -560 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL res -208 320 R0
SYMATTR InstName R4
SYMATTR Value 330
SYMBOL npn -256 480 R0
SYMATTR InstName Q3
SYMATTR Value BC547C
SYMBOL res -400 512 M90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL voltage -448 560 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=2
SYMATTR InstName V3
SYMATTR Value 3
SYMBOL res 144 96 R0
SYMATTR InstName R5
SYMATTR Value 33k
SYMBOL pnp 304 112 M180
SYMATTR InstName Q6
SYMATTR Value BCV62
SYMBOL pnp 224 112 R180
SYMATTR InstName Q5
SYMATTR Value BCV62
SYMBOL res 352 256 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL njf 224 272 R0
SYMATTR InstName J1
SYMATTR Value 2N4117
SYMBOL res 256 368 R0
SYMATTR InstName R7
SYMATTR Value 47k
SYMBOL voltage 32 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=2
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL res -336 -48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 1
TEXT -592 504 Left 0 !;tran 1
TEXT -592 712 Left 0 !.dc V2 1 12 0.2