Version 4
SHEET 1 2204 980
WIRE 288 -96 112 -96
WIRE 352 -96 288 -96
WIRE 480 -96 432 -96
WIRE 528 -96 480 -96
WIRE 576 -96 528 -96
WIRE 752 -96 672 -96
WIRE 288 -80 288 -96
WIRE 752 -80 752 -96
WIRE 528 -64 528 -96
WIRE 288 16 288 0
WIRE 752 16 752 0
WIRE 528 32 528 0
WIRE -416 64 -688 64
WIRE -240 64 -416 64
WIRE -80 64 -240 64
WIRE 112 64 112 -96
WIRE 112 64 -80 64
WIRE 128 64 112 64
WIRE 480 64 480 -96
WIRE 480 64 448 64
WIRE -688 80 -688 64
WIRE -416 80 -416 64
WIRE -240 80 -240 64
WIRE -80 80 -80 64
WIRE -688 176 -688 160
WIRE -416 176 -416 144
WIRE -240 176 -240 160
WIRE -240 176 -416 176
WIRE -80 176 -80 160
WIRE 128 176 -80 176
WIRE 480 176 448 176
WIRE 480 192 480 176
WIRE -416 240 -416 176
WIRE -240 240 -416 240
WIRE -240 256 -240 240
WIRE -80 256 -80 240
WIRE -32 288 -128 288
WIRE 32 288 -32 288
WIRE 128 288 112 288
WIRE 480 288 480 272
WIRE 480 288 448 288
WIRE -128 304 -128 288
WIRE -32 304 -32 288
WIRE 480 304 480 288
WIRE -240 368 -240 336
WIRE -128 400 -128 384
WIRE -32 400 -32 384
WIRE 128 400 -32 400
WIRE 480 400 480 384
WIRE 480 400 448 400
WIRE 480 416 480 400
WIRE -32 448 -32 400
WIRE -32 448 -192 448
WIRE 288 464 288 448
WIRE -240 480 -240 464
WIRE 480 512 480 496
WIRE -416 544 -416 240
WIRE 592 544 592 -48
WIRE 592 544 -416 544
FLAG 288 464 0
FLAG -688 176 0
FLAG 752 16 0
FLAG 480 512 0
FLAG -240 480 0
FLAG -128 400 0
FLAG 528 32 0
FLAG -80 256 0
SYMBOL voltage -688 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 4u 12)
SYMBOL res 272 -96 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 336 -80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value .1
SYMBOL pmos 672 -48 M270
WINDOW 0 54 44 VTop 2
WINDOW 3 -11 71 VLeft 2
SYMATTR InstName Q1
SYMATTR Value IRF9640
SYMBOL res 464 176 R0
SYMATTR InstName R3
SYMATTR Value 6.04K
SYMBOL res 464 288 R0
SYMATTR InstName R4
SYMATTR Value 2.37K
SYMBOL res 464 400 R0
SYMATTR InstName R5
SYMATTR Value 1.6K
SYMBOL res -256 64 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL voltage -128 288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 3.3
SYMBOL res -48 288 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 16 304 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL res -256 240 R0
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL cap 512 -64 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL zener -432 144 M180
WINDOW 0 31 54 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BZX84C6V2L
SYMBOL nmos -192 368 M0
WINDOW 0 33 -9 Right 2
WINDOW 3 29 99 Right 2
SYMATTR InstName Q2
SYMATTR Value 2N7002
SYMBOL LT6119-2 288 224 R0
SYMATTR InstName U1
SYMBOL res -96 64 R0
SYMATTR InstName R10
SYMATTR Value 24.9K
SYMBOL cap -96 176 R0
WINDOW 0 45 21 Left 2
WINDOW 3 36 46 Left 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL current 752 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 38 40 Left 2
SYMATTR SpiceLine load
SYMATTR InstName I1
SYMATTR Value PWL(0 0 515u 0 535u 500m)
TEXT 640 504 Left 2 !.tran 0 540u 500u