Version 4 SHEET 1 880 680 WIRE 16 112 -96 112 WIRE 272 144 192 144 WIRE 192 160 192 144 WIRE 272 176 272 144 WIRE -96 208 -96 192 WIRE 192 256 192 240 WIRE -96 304 -96 288 WIRE -32 304 -96 304 WIRE 16 304 16 192 WIRE 16 304 -32 304 WIRE -32 320 -32 304 FLAG -32 320 0 FLAG 192 256 0 FLAG 272 256 0 SYMBOL ind2 0 96 R0 SYMATTR InstName L1 SYMATTR Value 2 SYMATTR Type ind SYMBOL ind2 176 144 R0 SYMATTR InstName L3 SYMATTR Value 2 SYMATTR Type ind SYMBOL voltage -96 192 R0 WINDOW 123 32 86 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -29 159 Left 0 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value PULSE(-60 60 8.333E-3 0 0 8.333e-3 16.666E-3 30) SYMBOL res -112 96 R0 SYMATTR InstName R1 SYMATTR Value .01 SYMBOL res 256 160 R0 SYMATTR InstName R2 SYMATTR Value 10 TEXT 0 64 Left 0 !k1 l1 l3 .99 TEXT 176 64 Left 0 !.tran .5