Version 4
SHEET 1 980 680
WIRE 96 112 -144 112
WIRE 368 112 176 112
WIRE -144 128 -144 112
WIRE 368 128 368 112
WIRE -144 224 -144 208
WIRE 368 224 368 192
FLAG 368 224 0
FLAG -144 224 0
FLAG 368 112 OUT
SYMBOL LT1004-1.2 368 160 R0
SYMATTR InstName U1
SYMBOL res 192 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 36K
SYMBOL voltage -144 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 100u 10n 10n 500u 1)
TEXT 392 288 Left 2 !.tran 700u