Version 4
SHEET 1 2328 1460
WIRE 432 560 400 560
WIRE 592 560 432 560
WIRE 400 592 400 560
WIRE 400 688 400 672
WIRE 80 720 0 720
WIRE 288 720 80 720
WIRE 80 768 80 720
WIRE 0 784 0 720
WIRE 288 800 288 720
WIRE 336 800 288 800
WIRE 592 800 592 560
WIRE 592 800 528 800
WIRE 0 896 0 864
WIRE 80 896 80 848
WIRE 80 896 0 896
WIRE 336 896 80 896
WIRE 592 896 528 896
WIRE 0 928 0 896
WIRE 592 928 592 896
FLAG 400 688 0
FLAG 0 928 0
FLAG 592 928 0
FLAG 432 560 in
FLAG 0 720 vd
SYMBOL voltage 400 576 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL current 0 864 R180
WINDOW 0 -28 93 Left 0
WINDOW 3 -41 -12 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 1m
SYMBOL res 64 752 R0
SYMATTR InstName R2
SYMATTR Value 1G
SYMBOL 4N35 432 848 R0
SYMATTR InstName U1
TEXT -24 656 Left 0 !.dc I1 0.01m 100m 0.01m
TEXT -24 680 Left 0 !.op
TEXT -24 568 Left 0 ;4N35, Coupling Ratio Test\nHelmut Sennewald 4/08/2007\nCoupling ratio  max. 200%