Version 4
SHEET 1 880 680
WIRE -256 48 -368 48
WIRE -256 96 -256 48
WIRE -80 144 -240 144
WIRE 128 160 -16 160
WIRE -80 176 -112 176
WIRE 288 192 272 192
WIRE 368 192 288 192
WIRE 384 192 368 192
WIRE -256 224 -256 176
WIRE 128 224 112 224
WIRE 112 304 112 224
WIRE 288 304 288 192
WIRE 288 304 112 304
WIRE 368 336 368 192
WIRE -112 448 -112 176
WIRE 368 448 368 416
WIRE 368 448 -112 448
WIRE 368 480 368 448
WIRE 368 576 368 560
FLAG 368 576 0
FLAG -256 224 0
FLAG -368 48 In
FLAG 368 192 Out
SYMBOL Opamps\\LT1210 160 192 M180
SYMATTR InstName U1
SYMBOL Opamps\\LT1678 -48 160 M180
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 352 320 R0
SYMATTR InstName R1
SYMBOL Misc\\EuropeanResistor 352 464 R0
SYMATTR InstName R2
SYMBOL Misc\\EuropeanResistor -272 80 R0
SYMATTR InstName R3