Version 4
SHEET 1 880 680
WIRE 304 -16 288 -16
WIRE 400 -16 384 -16
WIRE -32 32 -32 -48
WIRE 48 32 48 -48
WIRE 336 96 336 64
WIRE 176 112 48 112
WIRE 288 112 288 -16
WIRE 288 112 256 112
WIRE 304 112 288 112
WIRE 400 128 400 -16
WIRE 400 128 368 128
WIRE 512 128 400 128
WIRE 304 144 288 144
WIRE 512 144 512 128
WIRE -32 176 -32 112
WIRE 112 176 -32 176
WIRE 288 176 288 144
WIRE 288 176 192 176
WIRE 336 192 336 160
WIRE 288 224 288 176
WIRE -32 272 -32 176
WIRE 48 272 48 112
WIRE -32 368 -32 352
WIRE 48 368 48 352
WIRE 288 368 288 304
FLAG 336 64 5V
FLAG -64 -288 5V
FLAG -64 -208 0
FLAG -32 -128 0
FLAG 48 -128 0
FLAG 32 -208 0
FLAG 32 -288 -5V
FLAG -32 368 0
FLAG 48 368 0
FLAG 288 368 0
FLAG 512 224 0
FLAG 336 192 -5V
SYMBOL voltage -64 -304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -32 -32 R180
WINDOW 3 90 66 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(30 0 0 1n 1n 1u 2u)
SYMBOL voltage 32 -304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value -5
SYMBOL voltage 48 -32 R180
WINDOW 3 172 29 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 30 0 1n 1n 1u 2u)
SYMBOL res 32 16 R0
SYMATTR InstName R2
SYMATTR Value 470
SYMBOL res -48 16 R0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL res -48 256 R0
SYMATTR InstName R3
SYMATTR Value 47
SYMBOL res 32 256 R0
SYMATTR InstName R4
SYMATTR Value 47
SYMBOL res 288 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 160 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 96 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 272 208 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL Opamps\\UniversalOpamp2 336 128 R0
SYMATTR InstName U2
SYMBOL res 528 128 M0
SYMATTR InstName R9
SYMATTR Value 1k2
TEXT -496 344 Left 2 !.tran 10m