Version 4 SHEET 1 2712 2032 WIRE 1104 960 944 960 WIRE 1392 960 1104 960 WIRE 1520 960 1392 960 WIRE 1712 960 1520 960 WIRE 1104 1088 1104 1040 WIRE 1328 1088 1104 1088 WIRE 1520 1088 1520 960 WIRE 1712 1088 1712 960 WIRE 848 1136 752 1136 WIRE 944 1136 944 1040 WIRE 944 1136 912 1136 WIRE 1040 1136 944 1136 WIRE 1456 1136 1392 1136 WIRE 944 1152 944 1136 WIRE 1104 1200 1104 1184 WIRE 1216 1200 1104 1200 WIRE 1312 1200 1216 1200 WIRE 1520 1200 1520 1184 WIRE 1392 1232 1392 1200 WIRE 752 1280 752 1136 WIRE 944 1280 752 1280 WIRE 1104 1280 1072 1280 WIRE 1312 1280 1312 1264 WIRE 1312 1280 1216 1280 WIRE 1520 1280 1312 1280 WIRE 1632 1280 1632 1248 WIRE 1632 1280 1520 1280 WIRE 1712 1280 1712 1168 WIRE 1776 1280 1712 1280 WIRE 1072 1296 1072 1280 WIRE 1312 1296 1312 1280 WIRE 1392 1312 1392 1296 WIRE 1776 1312 1776 1280 WIRE 1216 1360 1104 1360 WIRE 1312 1360 1216 1360 WIRE 1104 1376 1104 1360 WIRE 1520 1376 1520 1360 WIRE 1632 1376 1632 1360 WIRE 1712 1392 1712 1280 WIRE 752 1424 752 1280 WIRE 848 1424 752 1424 WIRE 944 1424 944 1408 WIRE 944 1424 912 1424 WIRE 1040 1424 944 1424 WIRE 1392 1424 1392 1376 WIRE 1456 1424 1392 1424 WIRE 752 1440 752 1424 WIRE 1328 1472 1104 1472 WIRE 944 1520 944 1424 WIRE 1104 1520 1104 1472 WIRE 752 1552 752 1520 WIRE 1104 1600 944 1600 WIRE 1392 1600 1104 1600 WIRE 1520 1600 1520 1472 WIRE 1520 1600 1392 1600 WIRE 1712 1600 1712 1472 WIRE 1712 1600 1520 1600 FLAG 752 1552 0 FLAG 1632 1376 0 FLAG 1072 1296 0 FLAG 1632 1248 OUT IOPIN 1632 1248 Out FLAG 1776 1312 0 SYMBOL VOLTAGE 752 1424 R0 WINDOW 123 24 124 Left 2 WINDOW 39 24 124 Left 2 WINDOW 3 -40 165 Left 2 SYMATTR Value2 AC 1 SYMATTR Value SINE(0 1 1000 20m) SYMATTR InstName V1 SYMBOL pnp 1040 1472 M180 SYMATTR InstName Q1 SYMATTR Value BC557B SYMBOL npn 1040 1088 R0 SYMATTR InstName Q2 SYMATTR Value BC547B SYMBOL res 928 1504 R0 SYMATTR InstName R1 SYMATTR Value 200k SYMBOL res 928 944 R0 SYMATTR InstName R2 SYMATTR Value 200k SYMBOL res 1088 944 R0 SYMATTR InstName R3 SYMATTR Value 750 SYMBOL res 1088 1504 R0 SYMATTR InstName R4 SYMATTR Value 750 SYMBOL res 1088 1184 R0 SYMATTR InstName R8 SYMATTR Value 180 SYMBOL res 1088 1264 R0 SYMATTR InstName R9 SYMATTR Value 180 SYMBOL res 1200 1184 R0 SYMATTR InstName R10 SYMATTR Value 3k3 SYMBOL res 1200 1264 R0 SYMATTR InstName R11 SYMATTR Value 3k3 SYMBOL cap 912 1120 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap 912 1408 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL diode 928 1152 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 928 1216 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL diode 928 1280 R0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL diode 928 1344 R0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL npn 1456 1088 R0 SYMATTR InstName Q3 SYMATTR Value 2N4401 SYMBOL pnp 1456 1472 M180 SYMATTR InstName Q4 SYMATTR Value 2N4403 SYMBOL res 1504 1184 R0 SYMATTR InstName R5 SYMATTR Value 2.2 SYMBOL res 1504 1264 R0 SYMATTR InstName R6 SYMATTR Value 2.2 SYMBOL pnp 1328 1136 M180 SYMATTR InstName Q5 SYMATTR Value BC557B SYMBOL npn 1328 1424 R0 SYMATTR InstName Q6 SYMATTR Value BC547B SYMBOL res 1376 1504 R0 SYMATTR InstName R12 SYMATTR Value 18 SYMBOL res 1376 944 R0 SYMATTR InstName R13 SYMATTR Value 18 SYMBOL diode 1376 1136 R0 SYMATTR InstName D5 SYMATTR Value 1N4148 SYMBOL diode 1376 1232 R0 SYMATTR InstName D6 SYMATTR Value 1N4148 SYMBOL diode 1376 1312 R0 SYMATTR InstName D7 SYMATTR Value 1N4148 SYMBOL res 1616 1264 R0 SYMATTR InstName R7 SYMATTR Value 32 SYMBOL cap 1296 1200 R0 SYMATTR InstName C3 SYMATTR Value 2p2 SYMBOL cap 1296 1296 R0 SYMATTR InstName C4 SYMATTR Value 2p2 SYMBOL voltage 1712 1072 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=.2 SYMATTR InstName V2 SYMATTR Value 24 SYMBOL voltage 1712 1376 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=.2 SYMATTR InstName V3 SYMATTR Value 24 TEXT 688 976 Left 2 !.OPT plotwinsize=-1\n.FOUR 10 7 -1 V(OUT)\n.tran 50m\n;.ac oct 16 1 10000000