Version 4 SHEET 1 1600 680 WIRE 96 -16 -128 -16 WIRE 224 -16 160 -16 WIRE -128 32 -128 -16 WIRE -128 32 -192 32 WIRE -48 32 -128 32 WIRE -48 64 -48 32 WIRE 224 96 224 -16 WIRE -192 176 -192 32 WIRE -48 176 -48 144 WIRE -48 272 -48 240 WIRE 64 272 -48 272 WIRE 224 272 224 176 WIRE -48 288 -48 272 WIRE -192 400 -192 240 WIRE -128 400 -192 400 WIRE -48 400 -48 368 WIRE -48 400 -128 400 WIRE -128 448 -128 400 WIRE 224 448 224 352 WIRE 224 448 -128 448 WIRE 224 464 224 448 FLAG 224 464 0 FLAG 64 272 POWER SYMBOL res -64 272 R0 SYMATTR InstName R1 SYMATTR Value 800 SYMBOL cap -64 176 R0 SYMATTR InstName C1 SYMATTR Value 130p SYMBOL ind -64 48 R0 SYMATTR InstName L1 SYMATTR Value 120m SYMBOL cap -208 176 R0 SYMATTR InstName C2 SYMATTR Value 2100p SYMBOL voltage 224 256 R0 WINDOW 123 24 132 Left 0 WINDOW 39 24 132 Left 0 SYMATTR Value2 AC 1V SYMATTR InstName V1 SYMATTR Value PULSE(-9V 9V 0 35ns 35ns 13us 26us 1000) SYMBOL cap 160 -32 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value 0.1u SYMBOL res 208 80 R0 SYMATTR InstName R2 SYMATTR Value {R} TEXT 312 416 Left 0 !.tran 0 5ms 4.95ms TEXT 312 440 Left 0 !;ac lin 1000 20k 46k TEXT 312 464 Left 0 !.step param R list 1m 100 200 TEXT 336 80 Center 0 ;0 ohm\nor\n100 ohm\nor\n200 ohm