Version 4
SHEET 1 880 680
WIRE 144 96 48 96
WIRE 48 112 48 96
WIRE 224 128 224 96
WIRE 48 224 48 192
WIRE 224 224 224 192
FLAG 224 224 0
FLAG 48 224 0
SYMBOL res 240 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 208 128 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL voltage 48 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0.000001 2e-9 2e-9 1u 0 1)
TEXT 16 248 Left 2 !.tran 0 10u 0 1e-8