Version 4
SHEET 1 2876 952
WIRE 1312 -80 1168 -80
WIRE 1376 -80 1312 -80
WIRE 1520 -80 1456 -80
WIRE 1584 -80 1520 -80
WIRE 1728 -80 1664 -80
WIRE 1840 -80 1728 -80
WIRE 1312 -32 1312 -80
WIRE 1520 -32 1520 -80
WIRE 1728 -32 1728 -80
WIRE 944 -16 736 -16
WIRE 736 0 736 -16
WIRE 944 48 944 -16
WIRE 1312 80 1312 32
WIRE 1312 80 1216 80
WIRE 1376 80 1312 80
WIRE 1520 80 1520 32
WIRE 1520 80 1456 80
WIRE 1584 80 1520 80
WIRE 1728 80 1728 32
WIRE 1728 80 1664 80
WIRE 1808 80 1728 80
WIRE 736 96 736 80
WIRE 1120 112 1216 80
WIRE 1120 112 1072 112
WIRE 816 128 480 128
WIRE 2304 128 2128 128
WIRE 480 144 480 128
WIRE 1168 144 1168 -80
WIRE 1168 144 1072 144
WIRE 2304 144 2304 128
WIRE 2128 192 2128 128
WIRE 480 224 480 208
WIRE 2304 240 2304 224
WIRE 1216 256 1072 256
WIRE 1280 256 1216 256
WIRE 1424 256 1360 256
WIRE 1488 256 1424 256
WIRE 1632 256 1568 256
WIRE 1888 256 1632 256
WIRE 2000 256 1952 256
WIRE 816 272 592 272
WIRE 2336 272 2256 272
WIRE 2400 272 2336 272
WIRE 1152 288 1072 288
WIRE 1888 288 1952 256
WIRE 1888 288 1728 288
WIRE 1952 288 1888 256
WIRE 2000 288 1952 288
WIRE 2400 288 2400 272
WIRE 1216 304 1216 256
WIRE 1424 304 1424 256
WIRE 1632 304 1632 256
WIRE 592 368 592 272
WIRE 2400 384 2400 352
WIRE 944 400 944 368
WIRE 1840 400 1840 -80
WIRE 2000 400 1840 400
WIRE 1152 416 1152 288
WIRE 1216 416 1216 368
WIRE 1216 416 1152 416
WIRE 1280 416 1216 416
WIRE 1424 416 1424 368
WIRE 1424 416 1360 416
WIRE 1504 416 1424 416
WIRE 1632 416 1632 368
WIRE 1632 416 1584 416
WIRE 1728 416 1728 288
WIRE 1728 416 1632 416
WIRE 2336 416 2336 272
WIRE 2336 416 2256 416
WIRE 1808 432 1808 80
WIRE 2000 432 1808 432
WIRE 592 464 592 448
WIRE 1408 560 1360 560
WIRE 1520 560 1488 560
WIRE 2128 560 2128 512
FLAG 944 400 0
FLAG 736 96 0
FLAG 480 224 0
FLAG 592 464 0
FLAG 2304 240 COM
FLAG 2400 384 COM
FLAG 2128 560 COM
FLAG 1360 560 0
FLAG 1520 560 COM
SYMBOL voltage 736 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL cap 464 144 R0
WINDOW 123 25 60 Left 2
WINDOW 3 43 32 Left 2
SYMATTR Value2 Rpar=1Meg
SYMATTR Value 5p
SYMATTR InstName C1
SYMBOL voltage 2304 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL voltage 592 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 3.3 .1u 4n 4n 42n 100n 10)
SYMBOL voltage 1504 560 R90
WINDOW 123 74 56 VTop 2
WINDOW 39 53 56 VTop 2
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V4
SYMATTR Value SINE(0 20 1Meg)
SYMBOL ind 1376 240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL cap 1200 304 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 1408 304 R0
SYMATTR InstName C3
SYMATTR Value 100p
SYMBOL cap 1616 304 R0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL ind 1584 240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
SYMATTR InstName L2
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL ind 1376 432 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 123 -16 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL ind 1600 432 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 123 -16 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL ind 1472 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
SYMATTR InstName L5
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL cap 1296 -32 R0
SYMATTR InstName C5
SYMATTR Value 100p
SYMBOL cap 1504 -32 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap 1712 -32 R0
SYMATTR InstName C7
SYMATTR Value 100p
SYMBOL ind 1680 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
SYMATTR InstName L6
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL ind 1472 96 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 123 -16 56 VBottom 2
SYMATTR InstName L7
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL ind 1680 96 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 123 -16 56 VBottom 2
SYMATTR InstName L8
SYMATTR Value 50n
SYMATTR Value2 Rser=10
SYMBOL cap 2384 288 R0
WINDOW 123 24 58 Left 2
WINDOW 3 37 35 Left 2
SYMATTR Value2 Rpar=1Meg
SYMATTR Value 5p
SYMATTR InstName C8
SYMBOL LTC2863-1 944 208 R0
SYMATTR InstName U1
SYMBOL LTC2863-1 2128 352 M0
SYMATTR InstName U2
TEXT 2424 568 Left 2 !.tran 3u
TEXT 1456 -144 Left 2 ;Twisted pair
TEXT 1368 200 Left 2 ;Twisted pair
TEXT 1488 -200 Bottom 2 ;Loopback Test
RECTANGLE Normal 1792 144 1264 -176 2
RECTANGLE Normal 1712 480 1184 176 2