Version 4
SHEET 1 1264 680
WIRE -16 -400 -16 -416
WIRE -416 -336 -848 -336
WIRE -240 -336 -368 -336
WIRE -128 -336 -240 -336
WIRE 208 -336 96 -336
WIRE -1264 -320 -1264 -336
WIRE -1072 -320 -1072 -336
WIRE -848 -320 -848 -336
WIRE -416 -320 -416 -336
WIRE -368 -320 -368 -336
WIRE -240 -320 -240 -336
WIRE 208 -320 208 -336
WIRE -128 -240 -144 -240
WIRE 112 -240 96 -240
WIRE 208 -240 208 -256
WIRE -1264 -224 -1264 -240
WIRE -1072 -224 -1072 -240
WIRE -848 -224 -848 -240
WIRE -416 -224 -416 -240
WIRE -368 -224 -368 -240
WIRE -240 -224 -240 -240
WIRE -64 -160 -64 -176
WIRE 32 -160 32 -176
FLAG -1264 -224 0
FLAG -1264 -336 +V
FLAG -16 -416 +V
FLAG 32 -160 0
FLAG 112 -240 0
FLAG 208 -336 OUT
FLAG -1072 -224 0
FLAG -1072 -336 -V
FLAG 208 -240 0
FLAG -368 -224 0
FLAG -416 -224 0
FLAG -144 -240 0
FLAG -240 -224 0
FLAG -64 -160 -V
FLAG -848 -224 0
SYMBOL voltage -1264 -336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL LTC1966 -16 -288 R0
SYMATTR InstName U1
SYMBOL voltage -1072 -336 R0
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL cap 192 -320 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL ind2 -432 -224 M180
WINDOW 0 -5 74 Right 2
WINDOW 3 -2 44 Right 2
WINDOW 123 -7 14 Right 2
SYMATTR InstName L1
SYMATTR Value 20n
SYMATTR Type ind
SYMBOL ind2 -352 -224 R180
WINDOW 0 1 70 Right 2
WINDOW 3 2 41 Right 2
SYMATTR InstName L2
SYMATTR Value 118m
SYMATTR Type ind
SYMBOL res -256 -336 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL current -848 -240 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 24 -42 Left 2
WINDOW 39 24 -21 Left 2
SYMATTR InstName I1
SYMATTR Value SINE(0 {ARMS*sqrt(2)} 60)
TEXT -40 -104 Left 2 !.tran 3\n.step param ARMS list 5 10 70
TEXT -392 -336 Bottom 2 !K1 L1 L2 1
TEXT -376 -456 Left 2 ;70 A current measurement
TEXT 120 -392 Left 2 ;V(out) = 4m * ARMS
TEXT -848 -336 Bottom 2 ;AC Current 60 Hz