Version 4
SHEET 1 980 680
WIRE -112 176 -288 176
WIRE -288 336 -288 176
WIRE -224 336 -288 336
WIRE -112 352 -112 176
WIRE -112 352 -160 352
WIRE -16 352 -112 352
WIRE -336 368 -368 368
WIRE -224 368 -336 368
FLAG -448 368 0
FLAG 112 400 0
FLAG 304 400 0
FLAG -192 384 neg_bes
FLAG 304 320 neg_bes
FLAG 112 320 poz_bes
FLAG -192 320 poz_bes
FLAG -336 368 in
FLAG -16 352 out
SYMBOL Misc\\battery -352 368 R90
WINDOW 0 29 -3 VRight 2
WINDOW 3 78 -4 VRight 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 10 50)
SYMBOL Opamps\\LT1001 -192 288 R0
SYMATTR InstName U1
SYMBOL Misc\\battery 112 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL Misc\\battery 304 416 R180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
TEXT -90 430 Left 2 !.tran 1