Version 4
SHEET 1 880 680
WIRE -128 -128 -288 -128
WIRE 224 -128 -128 -128
WIRE 224 -80 224 -128
WIRE -128 0 -128 -128
WIRE 224 16 224 0
WIRE 320 16 224 16
WIRE 592 16 384 16
WIRE 224 64 224 16
WIRE -288 96 -288 -128
WIRE 112 112 0 112
WIRE 176 112 112 112
WIRE -128 160 -128 0
WIRE 0 160 0 112
WIRE 192 208 192 160
WIRE 272 208 192 208
WIRE 384 208 336 208
WIRE 112 224 112 112
WIRE 192 224 192 208
WIRE -288 320 -288 176
WIRE 0 320 0 224
WIRE 112 336 112 304
WIRE 192 336 192 304
WIRE 192 336 112 336
WIRE 192 384 192 336
WIRE 384 384 384 208
WIRE 592 384 592 16
WIRE -288 496 -288 400
WIRE -128 496 -128 224
WIRE -128 496 -288 496
WIRE 0 496 0 400
WIRE 0 496 -128 496
WIRE 192 496 192 464
WIRE 192 496 0 496
WIRE 384 496 384 464
WIRE 384 496 192 496
WIRE 592 496 592 464
WIRE 592 496 384 496
WIRE 192 560 192 496
FLAG 192 560 0
FLAG 592 16 rö7
FLAG 384 208 rö8
FLAG -128 0 UC88
SYMBOL Misc\\EuropeanResistor 208 -96 R0
SYMATTR InstName R81
SYMATTR Value 16K
SYMBOL Misc\\triode 224 112 R0
SYMATTR InstName U1
SYMATTR Value ECC81
SYMBOL Misc\\EuropeanResistor 176 208 R0
SYMATTR InstName R78
SYMATTR Value 1K
SYMBOL Misc\\EuropeanResistor 176 368 R0
SYMATTR InstName R77
SYMATTR Value 15K
SYMBOL voltage 0 304 R0
WINDOW 3 21 122 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 5 80)
SYMATTR InstName V1
SYMBOL voltage -288 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 250
SYMBOL Misc\\EuropeanResistor 96 208 R0
SYMATTR InstName R79
SYMATTR Value 1e6
SYMBOL cap -16 160 R0
SYMATTR InstName C1
SYMATTR Value 25n
SYMBOL Misc\\EuropeanResistor -304 80 R0
SYMATTR InstName R80
SYMATTR Value 50K
SYMBOL cap -144 160 R0
SYMATTR InstName C88
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor 368 368 R0
SYMATTR InstName R82
SYMATTR Value 1e6
SYMBOL Misc\\EuropeanResistor 576 368 R0
SYMATTR InstName R83
SYMATTR Value 1e6
SYMBOL cap 384 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C87
SYMATTR Value 25n
SYMBOL cap 336 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C86
SYMATTR Value 25n
TEXT -320 584 Left 2 !.tran 0 10 9.8
TEXT -320 616 Left 2 !.inc koren_tubes.cir