Version 4 SHEET 1 2088 816 WIRE 1392 -384 1280 -384 WIRE 1616 -384 1456 -384 WIRE 1616 -336 1616 -384 WIRE 1616 -336 1472 -336 WIRE 2000 -304 1552 -304 WIRE 1472 -288 1472 -336 WIRE 1520 -288 1472 -288 WIRE 1616 -272 1616 -336 WIRE 1616 -272 1584 -272 WIRE 1808 -272 1616 -272 WIRE 1184 -256 1024 -256 WIRE 1280 -256 1280 -384 WIRE 1280 -256 1264 -256 WIRE 1312 -256 1280 -256 WIRE 1440 -256 1392 -256 WIRE 1520 -256 1440 -256 WIRE 1552 -224 1552 -240 WIRE 2000 -224 1552 -224 WIRE 944 -144 400 -144 WIRE 400 -64 400 -144 WIRE 448 -64 400 -64 WIRE 560 -64 512 -64 WIRE 400 -16 400 -64 WIRE 400 -16 80 -16 WIRE 560 -16 560 -64 WIRE 688 -16 560 -16 WIRE 80 16 80 -16 WIRE 80 16 32 16 WIRE 128 16 80 16 WIRE 1232 32 1040 32 WIRE 1376 32 1312 32 WIRE 1440 32 1376 32 WIRE 1584 32 1520 32 WIRE 1648 32 1584 32 WIRE 400 48 400 -16 WIRE 432 48 400 48 WIRE 560 48 560 -16 WIRE 560 48 528 48 WIRE 128 64 128 16 WIRE 688 64 688 -16 WIRE 688 64 608 64 WIRE 752 64 688 64 WIRE 32 96 32 16 WIRE 608 112 608 64 WIRE 752 112 752 64 WIRE 1376 128 1376 32 WIRE 1584 128 1584 32 WIRE 128 160 128 128 WIRE 32 224 32 176 WIRE 80 224 32 224 WIRE 128 224 80 224 WIRE 608 240 608 192 WIRE 752 240 752 176 WIRE 80 304 80 224 WIRE 208 304 80 304 WIRE 480 304 480 112 WIRE 480 304 288 304 WIRE 480 352 480 304 WIRE 480 352 416 352 WIRE 544 352 480 352 WIRE 80 384 80 304 WIRE 80 384 32 384 WIRE 128 384 80 384 WIRE 128 400 128 384 WIRE 416 400 416 352 WIRE 544 400 544 352 WIRE 128 496 128 464 WIRE 416 512 416 464 WIRE 544 512 544 480 WIRE 32 544 32 384 FLAG 608 240 0 FLAG 752 240 0 FLAG 416 512 0 FLAG 544 512 0 FLAG 128 496 0 FLAG 32 624 0 FLAG 1440 -192 0 FLAG 1808 -272 RFOUT IOPIN 1808 -272 Out FLAG 1584 192 0 FLAG 1376 192 0 FLAG 1728 32 RFOUT IOPIN 1728 32 Out FLAG 944 -144 RFOUT SYMBOL res 592 96 R0 SYMATTR InstName R1 SYMATTR Value 320 SYMBOL cap 736 112 R0 SYMATTR InstName C1 SYMATTR Value 46p SYMBOL cap 512 -80 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 11p SYMBOL cap 400 400 R0 SYMATTR InstName C3 SYMATTR Value 220p SYMBOL res 528 384 R0 SYMATTR InstName R2 SYMATTR Value 20k SYMBOL res 304 288 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 29k SYMBOL cap 112 64 R0 SYMATTR InstName C4 SYMATTR Value 22p SYMBOL cap 112 160 R0 SYMATTR InstName C5 SYMATTR Value 220p SYMBOL ind 16 80 R0 SYMATTR InstName L1 SYMATTR Value 39n SYMBOL cap 112 400 R0 SYMATTR InstName C6 SYMATTR Value 1000p SYMBOL voltage 32 528 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL npn 432 112 R270 SYMATTR InstName Q2 SYMATTR Value BC546B SYMBOL Opamps\\AD549 1552 -336 R0 SYMATTR InstName U1 SYMBOL cap 1424 -256 R0 SYMATTR InstName C7 SYMATTR Value 0.1p SYMBOL res 1408 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 4.7k SYMBOL res 1280 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 4.7k SYMBOL cap 1456 -400 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 0.13396p SYMBOL voltage 2000 -320 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 15 SYMBOL ind 1216 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 49.5n SYMBOL ind 1424 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 93.5n SYMBOL ind 1632 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 49.5n SYMBOL cap 1360 128 R0 SYMATTR InstName C9 SYMATTR Value 29p SYMBOL cap 1568 128 R0 SYMATTR InstName C10 SYMATTR Value 29p TEXT 406 720 Left 2 !.tran 1u