Version 4 SHEET 1 880 680 WIRE -128 176 -304 176 WIRE 112 176 -48 176 WIRE 352 176 160 176 WIRE -304 192 -304 176 WIRE 112 192 112 176 WIRE 160 192 160 176 WIRE -304 288 -304 272 WIRE 112 288 112 272 WIRE 160 288 160 272 FLAG -304 288 0 FLAG 160 288 0 FLAG 112 288 0 SYMBOL ind2 96 288 M180 WINDOW 0 -7 76 Right 2 WINDOW 3 -7 42 Right 2 SYMATTR InstName L1 SYMATTR Value 100µ SYMATTR Type ind SYMBOL ind2 176 176 M0 WINDOW 0 -7 42 Right 2 WINDOW 3 -5 73 Right 2 SYMATTR InstName L2 SYMATTR Value 900µ SYMATTR Type ind SYMBOL voltage -304 176 R0 SYMATTR InstName V1 SYMATTR Value PULSE(0 1 0 10n 10n 5u 10u) SYMBOL res -32 160 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 10 TEXT 136 176 Bottom 2 !K1 L1 L2 1 TEXT 272 304 Left 2 !.tran 100u TEXT 32 352 Top 1 ;This example schematic is supplied for informational/educational purposes only. TEXT 40 112 Bottom 2 ;A transformer with two windings, 1 to 3 turns winding ratio