Version 4
SHEET 1 880 680
WIRE -800 0 -1264 0
WIRE -1024 128 -1168 128
WIRE -928 128 -1024 128
WIRE -896 128 -928 128
WIRE -800 128 -800 80
WIRE -800 128 -816 128
WIRE -672 128 -800 128
WIRE -1264 160 -1264 0
WIRE -1168 160 -1168 128
WIRE -1264 272 -1264 240
WIRE -1168 272 -1168 240
WIRE -1168 272 -1264 272
WIRE -1024 272 -1024 208
WIRE -1024 272 -1168 272
WIRE -928 272 -928 208
WIRE -928 272 -1024 272
WIRE -800 272 -800 192
WIRE -800 272 -928 272
WIRE -672 272 -800 272
FLAG -1168 272 0
SYMBOL res -912 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3k
SYMBOL res -784 96 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 33k
SYMBOL cap -816 128 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL voltage -1264 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL res -1040 112 R0
SYMATTR InstName R5
SYMATTR Value 270
SYMBOL res -800 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 33k
SYMBOL current -1168 160 R0
WINDOW 3 24 28 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value 20m
SYMATTR InstName I1
TEXT -1296 280 Left 2 !.tran 5