Version 4
SHEET 1 920 696
WIRE 160 -224 -384 -224
WIRE 848 -224 160 -224
WIRE -384 -208 -384 -224
WIRE 160 -144 160 -224
WIRE 448 -96 208 -96
WIRE 544 -96 448 -96
WIRE 720 -96 624 -96
WIRE 848 -96 848 -224
WIRE 848 -96 784 -96
WIRE -384 -80 -384 -128
WIRE -352 -80 -384 -80
WIRE -240 -80 -272 -80
WIRE -224 -80 -240 -80
WIRE -112 -80 -144 -80
WIRE 64 -80 -112 -80
WIRE 112 -80 64 -80
WIRE 448 -32 448 -96
WIRE 128 32 128 -32
WIRE -240 64 -240 -80
WIRE -32 64 -240 64
WIRE 128 64 128 32
WIRE 128 64 32 64
WIRE 304 64 128 64
WIRE 448 64 448 32
WIRE 448 64 384 64
WIRE 544 64 448 64
WIRE 128 96 128 64
WIRE 544 128 544 64
WIRE -112 144 -112 -80
WIRE 448 160 448 64
WIRE 448 160 256 160
WIRE -432 192 -496 192
WIRE -160 192 -432 192
WIRE 128 208 128 160
WIRE 256 208 256 160
WIRE -384 224 -384 -80
WIRE 448 240 448 160
WIRE 544 256 544 192
WIRE 448 272 448 240
WIRE -144 320 -144 240
WIRE 128 320 128 272
WIRE 368 320 128 320
WIRE 384 320 368 320
WIRE 848 336 848 -96
WIRE -384 352 -384 304
WIRE -144 352 -144 320
WIRE -144 352 -384 352
WIRE -64 352 -144 352
WIRE 128 352 128 320
WIRE -496 368 -496 192
WIRE 544 368 544 256
WIRE -144 400 -144 352
WIRE -64 400 -64 352
WIRE 448 400 448 368
WIRE 448 416 448 400
WIRE 448 416 336 416
WIRE 128 448 128 432
WIRE 256 448 256 272
WIRE 256 448 128 448
WIRE 128 464 128 448
WIRE 448 464 448 416
WIRE -144 576 -144 480
WIRE -64 576 -64 464
WIRE -64 576 -144 576
WIRE 336 576 336 416
WIRE 336 576 -64 576
WIRE -496 624 -496 448
WIRE 128 624 128 544
WIRE 128 624 -496 624
WIRE 448 624 448 544
WIRE 448 624 128 624
WIRE 544 624 544 448
WIRE 544 624 448 624
WIRE 848 624 848 416
WIRE 848 624 544 624
WIRE 448 656 448 624
FLAG 448 656 0
FLAG 368 320 b
FLAG 448 240 e
FLAG 64 -80 g1p
FLAG -432 192 g1t
FLAG 544 256 last
FLAG -144 320 kt
FLAG 128 32 kp
FLAG 448 400 c
SYMBOL Misc\\triode -112 192 R0
SYMATTR InstName U1
SYMATTR Value ECL86T
SYMBOL Misc\\tetrode 160 -96 R0
SYMATTR InstName U2
SYMATTR Value ECL86P
SYMBOL pnp 384 368 M180
SYMATTR InstName Q1
SYMBOL Misc\\EuropeanResistor 112 336 R0
SYMATTR InstName R3
SYMATTR Value 39K
SYMBOL voltage 848 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 350
SYMBOL Misc\\EuropeanResistor -160 384 R0
SYMATTR InstName R9
SYMATTR Value 2K2
SYMBOL Misc\\EuropeanResistor 400 48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R25
SYMATTR Value 68
SYMBOL cap 432 -32 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL Misc\\EuropeanResistor 640 -112 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 5.6K
SYMBOL Misc\\EuropeanResistor -128 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 100K
SYMBOL voltage -496 352 R0
WINDOW 3 -46 304 Left 2
WINDOW 123 128 305 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1.8 1K)
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMBOL cap 240 208 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL cap 528 128 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL res 528 352 R0
SYMATTR InstName R1
SYMATTR Value 1K6
SYMBOL cap -80 400 R0
SYMATTR InstName C4
SYMATTR Value 100µ
SYMBOL Misc\\EuropeanResistor 112 448 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL diode 112 96 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 112 208 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 432 448 R0
SYMATTR InstName R4
SYMATTR Value 3.3
SYMBOL Misc\\EuropeanResistor -400 -224 R0
SYMATTR InstName R5
SYMATTR Value 220K
SYMBOL Misc\\EuropeanResistor -400 208 R0
SYMATTR InstName R6
SYMATTR Value 220K
SYMBOL Misc\\EuropeanResistor -256 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL cap 32 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1µ
SYMBOL diode 784 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
TEXT -168 680 Left 2 !.tran 0 60m 55m
TEXT 80 680 Left 2 !.inc koren_tubes.cir