Version 4
SHEET 1 880 680
WIRE 16 16 -64 16
WIRE 128 16 96 16
WIRE 176 16 128 16
WIRE 320 48 320 16
WIRE -64 80 -64 16
WIRE 128 80 128 16
WIRE 176 96 176 16
WIRE 192 96 176 96
WIRE 416 112 384 112
WIRE 464 112 416 112
WIRE 608 112 544 112
WIRE -288 128 -288 112
WIRE -192 128 -192 112
WIRE 192 128 176 128
WIRE 608 128 608 112
WIRE 320 192 320 176
WIRE 352 192 352 176
WIRE 352 192 320 192
WIRE 320 208 320 192
WIRE -288 224 -288 208
WIRE -192 224 -192 208
WIRE -64 224 -64 160
WIRE 16 224 -64 224
WIRE 128 224 128 144
WIRE 128 224 96 224
WIRE 176 224 176 128
WIRE 176 224 128 224
WIRE 608 224 608 192
WIRE -64 240 -64 224
WIRE 288 240 288 176
WIRE 416 240 416 112
WIRE 416 240 288 240
WIRE 272 272 272 176
WIRE 272 368 272 352
FLAG -64 240 0
FLAG -288 224 0
FLAG -192 224 0
FLAG 320 16 +V
FLAG -192 112 -V
FLAG 272 368 0
FLAG 608 224 0
FLAG 608 112 OUT
FLAG -288 112 +V
FLAG 320 208 -V
SYMBOL voltage -64 64 R0
WINDOW 3 25 95 Left 2
SYMATTR Value SINE(0 1 10)
SYMATTR InstName V1
SYMBOL voltage -288 112 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -192 112 R0
SYMATTR InstName V3
SYMATTR Value -5
SYMBOL voltage 272 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 0
SYMBOL LTC2053 304 112 R0
SYMATTR InstName U1
SYMBOL res 112 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res 112 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 560 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL cap 592 128 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL cap 112 80 R0
SYMATTR InstName C2
SYMATTR Value 1µ
TEXT 488 280 Left 2 !.tran .5