Version 4
SHEET 1 896 680
WIRE -304 0 -320 0
WIRE -208 0 -224 0
WIRE -144 0 -208 0
WIRE -16 0 -64 0
WIRE -576 48 -576 32
WIRE -448 48 -448 32
WIRE -144 96 -144 64
WIRE -208 128 -208 0
WIRE -176 128 -208 128
WIRE -576 144 -576 128
WIRE -448 144 -448 128
WIRE -16 160 -16 0
WIRE -16 160 -48 160
WIRE -176 192 -400 192
WIRE -400 208 -400 192
WIRE -144 256 -144 224
WIRE -80 272 -80 224
WIRE -400 304 -400 288
WIRE -80 368 -80 352
FLAG -448 144 0
FLAG -448 32 +V
FLAG -576 144 0
FLAG -576 32 -V
FLAG -320 0 0
FLAG -400 304 0
FLAG -144 64 +V
FLAG -144 256 -V
FLAG -112 224 0
FLAG -80 368 0
SYMBOL voltage -448 32 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage -576 32 R0
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL res -48 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res -208 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL voltage -400 192 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1K)
SYMBOL opamps\\LT1795 -112 160 R0
SYMATTR InstName U1
SYMBOL voltage -80 256 R0
SYMATTR InstName V4
SYMATTR Value 5
TEXT -288 360 Left 2 !.tran 3m