Version 4 SHEET 1 880 680 WIRE 48 48 -48 48 WIRE 192 48 128 48 WIRE -48 128 -48 48 WIRE 336 128 336 48 WIRE -48 272 -48 208 WIRE 192 272 -48 272 WIRE 336 272 336 208 WIRE 336 272 192 272 WIRE 192 288 192 272 FLAG -48 48 s FLAG 192 288 0 SYMBOL voltage -48 112 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 5 0 SYMATTR InstName V1 SYMATTR Value SINE(0 5 500K) SYMBOL res 144 32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 50 SYMBOL res 320 112 R0 SYMATTR InstName RL SYMATTR Value 10K SYMBOL ind 176 64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 TEXT -82 312 Left 2 !.ac lin 100 100K 1000K