Version 4
SHEET 1 880 680
WIRE -272 96 -272 128
WIRE -144 128 -176 128
WIRE -128 320 -128 304
WIRE -128 224 -128 208
WIRE -272 336 -272 320
WIRE -272 240 -272 224
WIRE -272 224 -336 224
WIRE -272 224 -272 208
WIRE -336 224 -336 48
WIRE -336 48 -288 48
WIRE -240 -48 -192 -48
WIRE -240 -48 -272 -48
WIRE -48 112 -16 112
WIRE -528 160 -528 144
WIRE -528 64 -528 32
WIRE -528 32 -512 32
WIRE -528 -32 -528 -16
WIRE -512 -144 -528 -144
WIRE -528 -144 -528 -112
WIRE -176 128 -176 144
WIRE -176 128 -272 128
WIRE -144 208 -128 208
WIRE -128 208 -128 176
WIRE -272 -144 -192 -144
WIRE -240 0 -240 -48
WIRE -528 336 -528 320
WIRE -128 208 -48 208
WIRE -48 208 -48 240
WIRE -48 304 -48 320
WIRE -528 240 -528 224
WIRE -528 224 -432 224
WIRE -352 224 -336 224
WIRE -96 32 -96 64
WIRE -192 -144 -96 -144
WIRE -192 -64 -192 -48
WIRE -192 -48 -96 -48
WIRE -96 -48 -96 -64
FLAG -128 320 0
FLAG -272 336 0
FLAG -16 112 g2
FLAG -528 -16 0
FLAG -528 160 0
FLAG -512 -144 B
FLAG -272 -48 p
FLAG -512 32 g2
FLAG -336 48 a
FLAG -176 144 g
FLAG -144 208 k
FLAG -272 -144 B
FLAG -528 336 0
FLAG -48 320 0
SYMBOL Misc\\triode -240 48 R0
SYMATTR InstName U1
SYMATTR Value 12AX7
SYMBOL Misc\\tetrode -96 112 R0
SYMATTR InstName U2
SYMATTR Value 6V6GT
SYMBOL res -288 112 R0
SYMATTR InstName R2
SYMATTR Value 8.2k
SYMBOL res -208 -160 R0
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL ind -112 -160 R0
SYMATTR InstName L1
SYMATTR Value 20
SYMBOL voltage -528 -128 R0
WINDOW 3 30 97 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 295
SYMATTR InstName V1
SYMBOL voltage -528 48 R0
WINDOW 3 26 93 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 295
SYMATTR InstName V2
SYMBOL res -144 208 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL current -272 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 0.3547m
SYMBOL cap -64 240 R0
SYMATTR InstName C1
SYMATTR Value 330e-6
SYMBOL current -528 320 R180
WINDOW 0 -52 74 Left 0
WINDOW 3 -203 1 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I2
SYMATTR Value SINE(0 {ampl} 1k)
SYMBOL res -112 -64 R0
SYMATTR InstName R5
SYMATTR Value 1e-6
SYMBOL res -336 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 1e-6
TEXT -560 408 Left 0 !.include ./doclib/ExcemTubesOK.lib\n.option plotwinsize=0\n.save I(R4) V(a) V(g) V(k) V(p) I(R5)\n.param tstep=100e-3/65536\n*\n* .param ampl=210u\n.step param ampl list 210u 230u 250u\n.tran 0 800.0005m 700m {tstep}\n.four 1k 7 I(R4) V(p)
TEXT -136 376 Left 0 !* .savebias 392bias.txt time=0.8\n.loadbias 392bias.txt