Version 4 SHEET 1 976 680 WIRE 144 128 64 128 WIRE 272 128 224 128 WIRE 464 128 352 128 WIRE 560 128 464 128 WIRE 608 128 560 128 WIRE 560 208 560 128 WIRE 64 224 64 128 WIRE 464 224 464 128 WIRE 64 336 64 304 WIRE 464 336 464 288 WIRE 560 336 560 288 FLAG 64 336 0 FLAG 560 336 0 FLAG 464 336 0 FLAG 608 128 A SYMBOL voltage 64 208 R0 WINDOW 0 47 42 Left 2 WINDOW 123 46 75 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value2 AC 3.5m SYMATTR Value "" SYMBOL res 240 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 450 SYMBOL ind 256 144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 45m SYMBOL res 544 192 R0 SYMATTR InstName R2 SYMATTR Value 47k SYMBOL cap 448 224 R0 SYMATTR InstName C1 SYMATTR Value 52p TEXT 32 360 Left 2 !.ac oct 100 1k 100k