Version 4
SHEET 1 880 680
WIRE 32 160 -16 160
WIRE 96 160 32 160
WIRE 224 160 176 160
WIRE 272 160 224 160
WIRE 304 160 272 160
WIRE 416 160 384 160
WIRE 432 160 416 160
WIRE -16 192 -16 160
WIRE 224 192 224 160
WIRE 432 208 432 160
WIRE -16 320 -16 272
WIRE 224 320 224 256
WIRE 224 320 -16 320
WIRE 432 320 432 272
WIRE 432 320 224 320
WIRE -16 336 -16 320
FLAG -16 336 0
FLAG 272 160 2
FLAG 416 160 3
FLAG 32 160 1
SYMBOL cap 208 192 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor 80 176 R270
WINDOW 0 27 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 288 176 R270
WINDOW 0 27 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL cap 416 208 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL voltage -16 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1u 10)
TEXT -24 24 Left 0 !.tran 20m