Version 4 SHEET 1 980 680 WIRE 224 -176 128 -176 WIRE 448 -176 224 -176 WIRE 640 -176 448 -176 WIRE 448 -144 448 -176 WIRE 128 -80 128 -176 WIRE 448 -16 448 -64 WIRE 224 48 224 -176 WIRE 128 96 128 0 WIRE 160 96 128 96 WIRE 640 160 640 -176 WIRE 128 176 128 96 WIRE 128 176 32 176 WIRE 224 176 224 144 WIRE 592 176 224 176 WIRE 224 192 224 176 WIRE -176 224 -224 224 WIRE -32 224 -96 224 WIRE -224 240 -224 224 WIRE 128 240 128 176 WIRE 160 240 128 240 WIRE 32 288 32 272 WIRE -224 384 -224 320 WIRE 32 384 32 368 WIRE 224 384 224 288 WIRE 640 384 640 336 FLAG 224 384 0 FLAG 448 -16 0 FLAG -224 384 0 FLAG 32 384 0 FLAG 640 384 0 SYMBOL npn 160 48 R0 SYMATTR InstName Q1 SYMATTR Value BC337-40 SYMBOL pnp 160 288 M180 SYMATTR InstName Q2 SYMATTR Value BC327-40 SYMBOL voltage 448 -160 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 60 SYMBOL voltage -224 224 R0 WINDOW 3 -304 52 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 0 0 0 15u 30u) SYMATTR InstName V2 SYMBOL res 144 16 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL npn -32 176 R0 WINDOW 3 -18 -18 Left 0 SYMATTR Value BC337-40 SYMATTR InstName Q3 SYMBOL res -80 208 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 200 SYMBOL pmos 592 256 M180 SYMATTR InstName M2 SYMATTR Value IRFP9240 SYMBOL res 624 240 R0 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL res 16 272 R0 SYMATTR InstName R3 SYMATTR Value 330 TEXT -360 312 Left 0 !.tran 60u