Version 4
SHEET 1 1084 904
WIRE 256 64 -48 64
WIRE 480 64 256 64
WIRE 592 64 480 64
WIRE 592 128 592 64
WIRE -48 144 -48 64
WIRE 256 144 256 64
WIRE -48 272 -48 224
WIRE 256 272 256 224
WIRE 256 272 -48 272
WIRE 592 272 592 208
WIRE 592 272 256 272
WIRE -48 288 -48 272
FLAG -48 288 0
FLAG 480 64 vlim
SYMBOL res 576 112 R0
SYMATTR InstName R2
SYMATTR Value R=10*(1-time*0.5)
SYMBOL current -48 224 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName IQ
SYMATTR Value 1.4
SYMBOL bi 256 144 R0
WINDOW 3 -269 188 Left 2
SYMATTR Value I=TABLE(V(vlim), -100, -10k, -10, 0, 0, 0, 10, 0, 100, 10k)
SYMATTR InstName B1
TEXT -32 -152 Left 2 !.tran 0 1 0 1m
TEXT -32 -120 Left 2 !.options plotwinsize=0
TEXT -32 -200 Left 2 ;+/-10V Voltage Limiter
TEXT 184 32 Left 2 ;Voltage Limiter
TEXT 616 112 Left 2 ;Testload
RECTANGLE Normal 384 304 160 0