Version 4.1 SHEET 1 2176 940 WIRE 144 448 48 448 WIRE 224 448 144 448 WIRE 480 448 224 448 WIRE 48 512 48 448 WIRE 144 512 144 448 WIRE 480 512 480 448 WIRE 48 624 48 592 WIRE 144 624 144 592 WIRE 144 624 48 624 WIRE 48 640 48 624 WIRE 480 640 480 592 WIRE 480 640 416 640 WIRE 416 656 416 640 FLAG 48 640 0 FLAG 416 656 0 FLAG 224 448 V_ind SYMBOL ind 464 496 R0 SYMATTR InstName L2 SYMATTR Value 1µ SYMBOL current 48 592 R180 WINDOW 0 24 80 Left 2 WINDOW 3 -263 -12 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value PULSE(0 5 10n 10n 10n 500n 1u) SYMBOL res 128 496 R0 SYMATTR InstName R1 SYMATTR Value 500R TEXT 624 264 Left 4 ;Instructions, square wave circuit TEXT 624 312 Left 2 ;click on run\nclick on the inductor to plot the current\nclick on the plot window, then on plot settings/add plot pane\nthen click on "V_ind" to plot the voltage TEXT 24 376 Left 4 ;square wave circuit TEXT -168 80 Left 2 !.tran 5u uic TEXT 8 40 Left 2 ;this basicly shows that driving an inductor with a square wave current source does not work, \nthe current source has to supply too much Voltage. TEXT -32 -72 Left 5 ;Inductor square wave current source circuit.\nan impractical cct. TEXT 640 504 Left 2 ;the voltage required from the current source is very high, \ndue to the rate of change of current in the square wave.\nR1 is the internal resistance of the current source, it will\nalways be present as there is no such thing as a perfect \ncurrent source. TEXT 648 464 Left 4 ;Description