Version 4
SHEET 1 880 680
WIRE 208 64 80 64
WIRE 240 64 208 64
WIRE 336 64 320 64
WIRE 80 96 80 64
WIRE 208 96 208 64
WIRE 336 112 336 64
WIRE 80 224 80 176
WIRE 144 224 80 224
WIRE 208 224 208 176
WIRE 208 224 144 224
WIRE 336 224 336 192
WIRE 336 224 208 224
WIRE 144 240 144 224
FLAG 144 240 0
FLAG 208 64 A
SYMBOL res 192 80 R0
SYMATTR InstName R1
SYMATTR Value 2
SYMBOL ind 64 80 R0
SYMATTR InstName L1
SYMATTR Value 0.5
SYMBOL res 336 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 4
SYMBOL bv 336 96 R0
SYMATTR InstName B1
SYMATTR Value V=3*I(L1)
TEXT 392 80 Left 2 !.ic I(L1)=10
TEXT 68 264 Left 2 !.tran 10