Version 4
SHEET 1 880 680
WIRE -32 400 128 400
WIRE 304 400 304 272
WIRE 304 192 304 -80
WIRE 128 256 128 240
WIRE 128 240 64 240
WIRE 32 240 32 352
WIRE 32 352 128 352
WIRE 128 352 128 336
WIRE 128 400 128 352
WIRE 128 400 304 400
WIRE -32 400 -32 352
WIRE -32 272 -32 224
WIRE -32 224 16 224
WIRE 304 -80 48 -80
WIRE 48 -80 48 -16
WIRE 48 64 48 128
WIRE -32 400 -160 400
WIRE -160 400 -160 176
WIRE -160 176 0 176
FLAG 304 400 0
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\res 32 -32 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\voltage 304 176 R0
WINDOW 3 24 44 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 24 72 Left 0
SYMATTR Value 250
SYMATTR SpiceLine Rser=1
SYMATTR InstName V1
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\Misc\triodeh 48 176 R0
SYMATTR InstName U1
SYMATTR Value 12AX7
SYMATTR SpiceModel 12ax7
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\res -48 256 R0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\voltage 128 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=0.01
SYMATTR InstName V2
SYMATTR Value SINE(0 8.91 50)
TEXT -2 506 Left 0 !.tran 15S startup uic
TEXT -8 536 Left 0 !.inc dmtriodep.inc