Version 4
SHEET 1 2336 1256
WIRE 1296 -176 1280 -176
WIRE 1392 -176 1376 -176
WIRE 1408 -176 1392 -176
WIRE 1520 -176 1488 -176
WIRE 1392 -48 1392 -176
WIRE 1408 -48 1392 -48
WIRE 1520 -32 1520 -176
WIRE 1520 -32 1488 -32
WIRE 1408 -16 1136 -16
WIRE 1136 0 1136 -16
WIRE 816 16 816 0
WIRE 928 16 928 0
WIRE 1424 32 1424 16
WIRE 1424 32 1392 32
WIRE 1440 32 1440 16
WIRE 1456 32 1456 16
WIRE 1488 32 1456 32
WIRE 1488 64 1488 32
WIRE 1392 80 1392 32
WIRE 1136 96 1136 80
WIRE 816 112 816 96
WIRE 928 112 928 96
FLAG 816 112 0
FLAG 928 112 0
FLAG 1440 -80 +V
FLAG 816 0 +V
FLAG 928 0 -V
FLAG 1440 32 -V
FLAG 1280 -176 0
FLAG 1136 96 0
FLAG 1488 64 0
FLAG 1392 80 +V
SYMBOL SpecialFunctions\\LT1739 1440 -32 R0
SYMATTR InstName U1
SYMBOL voltage 816 0 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 928 0 R0
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL res 1504 -192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 1392 -192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL voltage 1136 -16 R0
SYMATTR InstName V3
SYMATTR Value sine(0 .1 1Meg)
TEXT 1416 160 Left 2 !.tran 3u