Version 4
SHEET 1 1592 680
WIRE -16 -144 -80 -144
WIRE 176 -144 -16 -144
WIRE 464 -144 288 -144
WIRE 1008 -144 864 -144
WIRE -16 -128 -16 -144
WIRE 464 -128 464 -144
WIRE 864 -128 864 -144
WIRE 1008 -112 1008 -144
WIRE 176 -80 176 -144
WIRE 288 -80 288 -144
WIRE 64 -16 -816 -16
WIRE 528 -16 400 -16
WIRE 608 -16 528 -16
WIRE 720 -16 688 -16
WIRE 864 -16 864 -48
WIRE 864 -16 784 -16
WIRE 1008 -16 1008 -32
WIRE -816 0 -816 -16
WIRE 864 16 864 -16
WIRE 64 64 -416 64
WIRE -416 80 -416 64
WIRE 432 96 400 96
WIRE 816 96 512 96
WIRE 64 144 48 144
WIRE 864 144 864 112
WIRE -416 176 -416 160
WIRE -80 224 -80 -144
WIRE -64 224 -80 224
WIRE 64 224 16 224
WIRE -80 304 -80 224
WIRE -32 304 -80 304
WIRE 64 304 48 304
WIRE 464 304 400 304
WIRE 544 304 464 304
WIRE 464 320 464 304
WIRE 176 384 176 368
WIRE 288 416 288 368
WIRE 464 416 464 400
WIRE 464 416 288 416
FLAG 528 48 0
FLAG 176 384 0
FLAG 48 144 0
FLAG -416 176 0
FLAG -16 -48 0
FLAG 544 304 0
FLAG 864 144 0
FLAG 464 -48 0
FLAG 1008 -16 0
FLAG -816 80 0
SYMBOL res 416 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 3.9
SYMBOL res 32 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res 64 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL diode 720 -32 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value MMSD4148
SYMBOL res 704 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL cap 512 -16 R0
WINDOW 0 34 19 Left 2
WINDOW 3 35 44 Left 2
SYMATTR InstName C2
SYMATTR Value 10p
SYMBOL voltage -416 64 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PULSE(0 5 0 2n 2n 5u 10u)
SYMATTR InstName V1
SYMBOL voltage -16 -144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 464 -144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL voltage 1008 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value PULSE(80 100 15.5u 20u 1u 2u)
SYMBOL res 848 -144 R0
SYMATTR InstName R8
SYMATTR Value 1
SYMBOL voltage 464 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL ADuM4136 240 128 R0
SYMATTR InstName U1
SYMBOL voltage -816 -16 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PULSE(5 0 42.5u 10n 10n 2u)
SYMATTR InstName V6
SYMBOL nmos 816 16 R0
SYMATTR InstName M1
SYMATTR Value BSC12DN20NS3
TEXT 920 296 Left 2 !.tran 100u