Version 4 SHEET 1 3560 2856 WIRE 1456 960 1456 928 WIRE 1552 960 1552 928 WIRE 1648 960 1648 928 WIRE 1744 960 1744 928 WIRE 1168 1024 1040 1024 WIRE 1344 1024 1168 1024 WIRE 1376 1024 1344 1024 WIRE 1888 1024 1824 1024 WIRE 2016 1024 1968 1024 WIRE 1040 1040 1040 1024 WIRE 1344 1088 1344 1024 WIRE 1376 1088 1344 1088 WIRE 1856 1088 1824 1088 WIRE 1040 1136 1040 1120 WIRE 1344 1152 1344 1088 WIRE 1376 1152 1344 1152 WIRE 1856 1152 1856 1088 WIRE 1856 1152 1824 1152 WIRE 2096 1152 1856 1152 WIRE 2208 1152 2096 1152 WIRE 2096 1168 2096 1152 WIRE 2208 1168 2208 1152 WIRE 1344 1216 1344 1152 WIRE 1376 1216 1344 1216 WIRE 1888 1216 1824 1216 WIRE 1984 1216 1968 1216 WIRE 2096 1264 2096 1232 WIRE 2208 1264 2208 1248 WIRE 1296 1280 1264 1280 WIRE 1376 1280 1360 1280 WIRE 1888 1280 1824 1280 WIRE 1168 1376 1168 1024 WIRE 1344 1376 1168 1376 WIRE 1376 1376 1344 1376 WIRE 1888 1376 1824 1376 WIRE 2016 1376 1968 1376 WIRE 1344 1440 1344 1376 WIRE 1376 1440 1344 1440 WIRE 1856 1440 1824 1440 WIRE 1344 1504 1344 1440 WIRE 1376 1504 1344 1504 WIRE 1856 1504 1856 1440 WIRE 1856 1504 1824 1504 WIRE 2096 1504 1856 1504 WIRE 2208 1504 2096 1504 WIRE 2096 1520 2096 1504 WIRE 2208 1520 2208 1504 WIRE 1344 1568 1344 1504 WIRE 1376 1568 1344 1568 WIRE 1888 1568 1824 1568 WIRE 1984 1568 1968 1568 WIRE 2096 1616 2096 1584 WIRE 2208 1616 2208 1600 WIRE 1280 1632 1264 1632 WIRE 1376 1632 1344 1632 WIRE 1872 1632 1824 1632 WIRE 1168 1728 1168 1376 WIRE 1344 1728 1168 1728 WIRE 1376 1728 1344 1728 WIRE 1888 1728 1824 1728 WIRE 2016 1728 1968 1728 WIRE 1344 1792 1344 1728 WIRE 1376 1792 1344 1792 WIRE 1856 1792 1824 1792 WIRE 1344 1856 1344 1792 WIRE 1376 1856 1344 1856 WIRE 1856 1856 1856 1792 WIRE 1856 1856 1824 1856 WIRE 2096 1856 1856 1856 WIRE 2208 1856 2096 1856 WIRE 2096 1872 2096 1856 WIRE 2208 1872 2208 1856 WIRE 1344 1920 1344 1856 WIRE 1376 1920 1344 1920 WIRE 1888 1920 1824 1920 WIRE 1984 1920 1968 1920 WIRE 2096 1968 2096 1936 WIRE 2208 1968 2208 1952 WIRE 1312 1984 1296 1984 WIRE 1376 1984 1360 1984 WIRE 1856 1984 1824 1984 WIRE 1168 2080 1168 1728 WIRE 1344 2080 1168 2080 WIRE 1376 2080 1344 2080 WIRE 1888 2080 1824 2080 WIRE 2016 2080 1968 2080 WIRE 1344 2144 1344 2080 WIRE 1376 2144 1344 2144 WIRE 1856 2144 1824 2144 WIRE 1344 2208 1344 2144 WIRE 1376 2208 1344 2208 WIRE 1856 2208 1856 2144 WIRE 1856 2208 1824 2208 WIRE 2096 2208 1856 2208 WIRE 2208 2208 2096 2208 WIRE 2096 2224 2096 2208 WIRE 2208 2224 2208 2208 WIRE 1344 2272 1344 2208 WIRE 1376 2272 1344 2272 WIRE 1888 2272 1824 2272 WIRE 1984 2272 1968 2272 WIRE 2096 2320 2096 2288 WIRE 2208 2320 2208 2304 WIRE 1296 2336 1280 2336 WIRE 1376 2336 1360 2336 WIRE 1856 2336 1824 2336 WIRE 1536 2416 1536 2400 WIRE 1664 2416 1664 2400 FLAG 1664 2416 0 FLAG 1536 2416 0 FLAG 1040 1136 0 FLAG 2208 1264 0 FLAG 1984 1216 0 FLAG 1264 1280 0 FLAG 2208 1152 OUT1 FLAG 1040 1024 IN FLAG 2096 1264 0 FLAG 1888 1280 Comp1 FLAG 2208 1616 0 FLAG 1984 1568 0 FLAG 1264 1632 0 FLAG 2208 1504 OUT2 FLAG 2096 1616 0 FLAG 1872 1632 Comp2 FLAG 2208 1968 0 FLAG 1984 1920 0 FLAG 1296 1984 0 FLAG 2208 1856 OUT3 FLAG 2096 1968 0 FLAG 1856 1984 Comp3 FLAG 2208 2320 0 FLAG 1984 2272 0 FLAG 1280 2336 0 FLAG 2208 2208 OUT4 FLAG 2096 2320 0 FLAG 1856 2336 Comp4 FLAG 1456 928 SW1 FLAG 1552 928 SW2 FLAG 1648 928 SW3 FLAG 1744 928 SW4 FLAG 2016 1024 IN FLAG 2016 1376 IN FLAG 2016 1728 IN FLAG 2016 2080 IN SYMBOL VOLTAGE 1040 1024 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value 3.3 SYMATTR InstName V1 SYMBOL res 1872 1232 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL cap 1360 1264 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 4.7n SYMBOL cap 2080 1168 R0 WINDOW 123 24 77 Left 2 SYMATTR Value2 x2 SYMATTR InstName C1 SYMATTR Value 100µ SYMATTR SpiceLine Rser=5m SYMBOL res 1984 1008 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 500K SYMBOL res 1872 1584 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 60.4k SYMBOL res 2192 1152 R0 SYMATTR InstName Rload1 SYMATTR Value 0.1 SYMBOL cap 1344 1616 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 4.7n SYMBOL cap 2080 1520 R0 WINDOW 123 24 84 Left 2 SYMATTR Value2 x2 SYMATTR InstName C4 SYMATTR Value 100µ SYMATTR SpiceLine Rser=5m SYMBOL res 1984 1360 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 500K SYMBOL res 1872 1936 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 43.2k SYMBOL res 2192 1504 R0 SYMATTR InstName Rload2 SYMATTR Value 0.1 SYMBOL cap 1360 1968 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 4.7n SYMBOL res 1984 1712 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 500K SYMBOL res 1872 2288 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R10 SYMATTR Value 30.1k SYMBOL res 2192 1856 R0 SYMATTR InstName Rload3 SYMATTR Value 0.12 SYMBOL cap 1360 2320 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 4.7n SYMBOL res 1984 2064 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 500K SYMBOL res 2192 2208 R0 SYMATTR InstName Rload4 SYMATTR Value 0.15 SYMBOL cap 2080 1872 R0 WINDOW 123 24 77 Left 2 SYMATTR Value2 x2 SYMATTR InstName C6 SYMATTR Value 100µ SYMATTR SpiceLine Rser=5m SYMBOL cap 2080 2224 R0 WINDOW 123 24 77 Left 2 SYMATTR Value2 x2 SYMATTR InstName C8 SYMATTR Value 100µ SYMATTR SpiceLine Rser=5m SYMBOL LTM4670 1600 1600 R0 SYMATTR InstName U1 TEXT 2048 2424 Left 2 !.tran 0.4m startup