Version 4
SHEET 1 1220 712
WIRE 256 -208 144 -208
WIRE 256 -192 256 -208
WIRE 64 -144 0 -144
WIRE 144 -144 144 -208
WIRE 144 -144 64 -144
WIRE 208 -144 144 -144
WIRE 384 -112 320 -112
WIRE 448 -112 384 -112
WIRE 544 -112 448 -112
WIRE 752 -112 624 -112
WIRE 896 -112 752 -112
WIRE 992 -112 896 -112
WIRE 1072 -112 992 -112
WIRE 1136 -112 1072 -112
WIRE 384 -80 384 -112
WIRE 896 -80 896 -112
WIRE 272 32 272 -96
WIRE 320 32 272 32
WIRE 384 32 384 0
WIRE 384 32 320 32
WIRE 464 32 384 32
WIRE 608 32 528 32
WIRE 752 32 752 -112
WIRE 752 32 688 32
WIRE 896 64 896 0
WIRE 896 64 816 64
WIRE 272 96 272 32
WIRE 0 112 0 -144
WIRE 896 112 896 64
WIRE 176 144 128 144
WIRE 224 144 176 144
WIRE 384 160 320 160
WIRE 816 160 816 64
WIRE 816 160 384 160
WIRE 1136 176 1136 -112
WIRE 304 256 304 208
WIRE 352 256 304 256
WIRE 400 256 352 256
WIRE 544 256 480 256
WIRE 896 256 896 192
WIRE 896 256 544 256
WIRE 128 272 128 144
WIRE 304 272 304 256
WIRE 992 272 992 -112
WIRE 544 320 544 256
WIRE 0 432 0 192
WIRE 128 432 128 352
WIRE 128 432 0 432
WIRE 304 432 304 352
WIRE 304 432 128 432
WIRE 544 432 544 400
WIRE 544 432 304 432
WIRE 992 432 992 352
WIRE 992 432 544 432
WIRE 1136 432 1136 256
WIRE 1136 432 992 432
WIRE 304 448 304 432
FLAG 64 -144 450VDC
FLAG 304 448 0
FLAG 1072 -112 U_out
FLAG 176 144 g2
FLAG 384 160 g1EF
FLAG 320 32 g1EL
FLAG 448 -112 kEL
FLAG 352 256 kEF
SYMBOL Misc\\tetrode 272 144 M0
SYMATTR InstName U1
SYMATTR Value EF86
SYMBOL Misc\\tetrode 256 -144 R270
WINDOW 3 -15 85 Left 2
SYMATTR Value EL34
SYMATTR InstName U2
SYMBOL voltage 0 96 R0
WINDOW 0 -63 6 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 450
SYMBOL Misc\\EuropeanResistor 368 -96 R0
SYMATTR InstName R1
SYMATTR Value 1000K
SYMBOL Misc\\EuropeanResistor 288 256 R0
SYMATTR InstName R2
SYMATTR Value 82K
SYMBOL Misc\\EuropeanResistor 496 240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 36 53 VTop 2
SYMATTR InstName R3
SYMATTR Value 47K
SYMBOL voltage 544 416 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 150
SYMBOL Misc\\EuropeanResistor 880 -96 R0
SYMATTR InstName R4
SYMATTR Value 1000K
SYMBOL Misc\\EuropeanResistor 880 96 R0
SYMATTR InstName R5
SYMATTR Value 145K
SYMBOL Misc\\EuropeanResistor 976 256 R0
SYMATTR InstName R6
SYMATTR Value 47K
SYMBOL Misc\\EuropeanResistor 112 256 R0
SYMATTR InstName R7
SYMATTR Value 220K
SYMBOL res 1120 160 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL diode 464 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL voltage 592 32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -41 56 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 640 -128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 2K2
TEXT -96 672 Left 2 !.INC Koren_Tubes.cir
TEXT -96 696 Left 2 !.tran 0 10 5 1
TEXT 624 216 Left 2 ;R5=600K für U_out=0V
TEXT 472 -48 Left 2 ;D;V3=Glimmlampe
TEXT 616 -136 Left 2 ;Shunt
TEXT 496 464 Left 2 ;Stabi OB2
TEXT 1160 160 Left 2 ;Last
TEXT 472 -192 Left 2 ;Strombegrenzung
TEXT 592 368 Left 2 ;Referenzröhre
TEXT 320 96 Left 2 ;Regelverstärker
TEXT 72 -96 Left 2 ;Längsröhre
TEXT 912 208 Left 2 ;Poti