Version 4
SHEET 1 880 680
WIRE 16 -256 -160 -256
WIRE 208 -256 16 -256
WIRE 448 -256 288 -256
WIRE -160 -160 -160 -256
WIRE 272 -160 176 -160
WIRE 272 -128 272 -160
WIRE 272 16 272 -48
WIRE -160 32 -160 -80
WIRE 16 48 16 -256
WIRE 112 48 16 48
WIRE 176 48 176 -160
WIRE 448 112 448 -256
WIRE 448 112 208 112
WIRE 112 176 0 176
WIRE 176 208 176 176
WIRE 272 208 176 208
WIRE 0 240 0 176
WIRE 272 272 272 208
WIRE 0 368 0 320
WIRE 272 384 272 352
FLAG 272 16 0
FLAG 272 384 0
FLAG 0 368 0
FLAG -160 32 0
SYMBOL lm358 160 112 R0
SYMATTR InstName U1
SYMBOL voltage 272 -144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage 272 256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL voltage 0 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0.5 0.5 10k 0 0 0 10)
SYMBOL res 304 -272 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL res -176 -176 R0
SYMATTR InstName R2
SYMATTR Value 1k
TEXT -112 472 Left 0 !.tran 3E-3