Version 4
SHEET 1 880 680
WIRE -80 96 -80 64
WIRE -80 64 -64 64
WIRE -80 192 -80 176
WIRE 96 128 112 128
WIRE 288 176 288 160
WIRE 288 80 288 64
WIRE 288 64 256 64
WIRE 96 64 160 64
WIRE 160 64 176 64
FLAG -80 192 0
FLAG -64 64 i
FLAG 160 160 0
FLAG 96 128 i
FLAG 288 176 0
FLAG 96 64 o
SYMBOL voltage -80 80 R0
WINDOW 3 24 99 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE({-a} {a} 1k)
SYMBOL njf 112 64 R0
SYMATTR InstName J1
SYMATTR Value 2N4119
SYMBOL voltage 288 64 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 160 80 R270
WINDOW 0 41 34 VTop 0
WINDOW 3 69 82 VBottom 0
SYMATTR InstName R2
SYMATTR Value 10k
TEXT -120 256 Left 0 !* Disable compression\n.option plotwinsize=0
TEXT -120 328 Left 0 !.param a=sqrt(2)/2 b=100m c=b/65536\n.save V(o) V(i)\n.tran 0 {b} 0 {c}
TEXT -120 432 Left 0 ;2N4119: N-JFET General Purpose 40V, 50mA, 300mW,\nIdss 0.2 .. 0.6mA, Gfs 100 .. 330uS, Vgs(off) -2 .. -6V