Version 4
SHEET 1 880 680
WIRE -32 400 128 400
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 128 400 240 400
WIRE -32 400 -32 352
WIRE -32 272 -32 224
WIRE -32 224 16 224
WIRE 48 -80 48 -16
WIRE 48 64 48 96
WIRE -32 400 -160 400
WIRE -160 176 0 176
WIRE -160 176 -160 240
WIRE -160 320 -160 400
WIRE 240 400 240 432
WIRE 240 400 336 400
WIRE 208 96 48 96
WIRE 48 96 48 128
WIRE 272 96 336 96
WIRE 336 96 336 224
WIRE 336 304 336 400
WIRE 480 192 480 -80
WIRE 480 272 480 400
WIRE 480 400 336 400
WIRE 480 -80 352 -80
WIRE 352 -64 352 -80
WIRE 352 -80 48 -80
WIRE 352 0 352 16
FLAG 240 432 0
FLAG 352 16 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 480 176 R0
WINDOW 3 41 45 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 40 72 Left 0
WINDOW 0 46 16 Left 0
SYMATTR Value 250
SYMATTR SpiceLine Rser=5000
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)
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\voltage -160 224 R0
WINDOW 0 -134 11 Left 0
WINDOW 3 -208 40 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.5 200)
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\cap 272 80 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 22n
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\res 320 208 R0
SYMATTR InstName R3
SYMATTR Value 470K
SYMBOL C:\Program\ Files\LTC\SwCADIII\lib\sym\cap 336 -64 R0
WINDOW 0 44 21 Left 0
WINDOW 3 46 50 Left 0
SYMATTR InstName C2
SYMATTR Value 100µ
TEXT -2 506 Left 0 !.tran 15S startup uic
TEXT -8 536 Left 0 !.inc dmtriodep.inc