Version 4
SHEET 1 920 680
WIRE 448 -224 160 -224
WIRE 848 -224 448 -224
WIRE 448 -208 448 -224
WIRE 160 -144 160 -224
WIRE 448 -96 448 -128
WIRE 448 -96 208 -96
WIRE 64 -80 -112 -80
WIRE 112 -80 64 -80
WIRE 448 -32 448 -96
WIRE 128 32 128 -32
WIRE -112 64 -112 -80
WIRE -32 64 -112 64
WIRE 128 64 128 32
WIRE 128 64 48 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 64
WIRE 448 160 448 64
WIRE 448 160 256 160
WIRE -224 192 -288 192
WIRE -160 192 -224 192
WIRE 128 208 128 160
WIRE 256 208 256 160
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 -224
WIRE -144 352 -144 320
WIRE -64 352 -144 352
WIRE 128 352 128 320
WIRE -288 368 -288 192
WIRE 544 368 544 256
WIRE -144 400 -144 352
WIRE -64 416 -64 352
WIRE 128 448 128 432
WIRE 256 448 256 272
WIRE 256 448 128 448
WIRE 128 464 128 448
WIRE -288 560 -288 448
WIRE -144 560 -144 480
WIRE -144 560 -288 560
WIRE -64 560 -64 480
WIRE -64 560 -144 560
WIRE 128 560 128 544
WIRE 128 560 -64 560
WIRE 448 560 448 368
WIRE 448 560 128 560
WIRE 544 560 544 448
WIRE 544 560 448 560
WIRE 848 560 848 416
WIRE 848 560 544 560
WIRE 448 592 448 560
FLAG 448 592 0
FLAG 368 320 b
FLAG 448 240 e
FLAG 64 -80 g1p
FLAG -224 192 g1t
FLAG 544 256 last
FLAG -144 320 kt
FLAG 128 32 kp
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 22K
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 432 -224 R0
SYMATTR InstName R13
SYMATTR Value 5.6K
SYMBOL Misc\\EuropeanResistor 64 48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 68K
SYMBOL voltage -288 352 R0
WINDOW 3 -46 237 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1.4V 1K)
SYMATTR InstName V2
SYMBOL cap 240 208 R0
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL cap 528 128 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL res 528 352 R0
SYMATTR InstName R1
SYMATTR Value 1K6
SYMBOL cap -80 416 R0
SYMATTR InstName C4
SYMATTR Value 1µ
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
TEXT -168 616 Left 2 !.tran 0 60m 55m
TEXT 80 616 Left 2 !.inc koren_tubes.cir