Version 4
SHEET 1 1568 1008
WIRE 336 -224 256 -224
WIRE 432 -224 416 -224
WIRE 464 -224 432 -224
WIRE 576 -224 544 -224
WIRE 256 -192 256 -224
WIRE 64 -144 0 -144
WIRE 208 -144 64 -144
WIRE 352 -112 320 -112
WIRE 576 -112 576 -224
WIRE 576 -112 352 -112
WIRE 816 -112 576 -112
WIRE 896 -112 816 -112
WIRE 992 -112 896 -112
WIRE 1072 -112 992 -112
WIRE 1136 -112 1072 -112
WIRE 272 -80 272 -96
WIRE 432 -80 432 -224
WIRE 576 -80 576 -112
WIRE 896 -80 896 -112
WIRE 272 32 272 0
WIRE 320 32 272 32
WIRE 432 32 432 0
WIRE 432 32 320 32
WIRE 464 32 432 32
WIRE 576 32 576 -16
WIRE 576 32 544 32
WIRE 816 32 816 -112
WIRE 1136 64 1136 -112
WIRE 272 96 272 32
WIRE 0 112 0 -144
WIRE 896 112 896 0
WIRE 176 144 128 144
WIRE 224 144 176 144
WIRE 384 160 320 160
WIRE 448 160 384 160
WIRE 816 160 816 96
WIRE 816 160 528 160
WIRE 816 224 816 160
WIRE 896 224 896 192
WIRE 896 224 816 224
WIRE 304 256 304 208
WIRE 352 256 304 256
WIRE 400 256 352 256
WIRE 544 256 480 256
WIRE 784 256 544 256
WIRE 128 272 128 144
WIRE 304 272 304 256
WIRE 896 272 896 224
WIRE 992 304 992 -112
WIRE 544 320 544 256
WIRE 784 368 784 256
WIRE 896 368 896 352
WIRE 896 368 784 368
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 992 432 992 384
WIRE 992 432 544 432
WIRE 1136 432 1136 144
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 352 -112 kEL
FLAG 352 256 kEF
SYMBOL Misc\\tetrode 272 144 M0
SYMATTR InstName U1
SYMATTR Value EL84
SYMBOL Misc\\tetrode 256 -144 R270
WINDOW 3 -78 -105 VRight 2
WINDOW 0 24 -79 VRight 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 416 -96 R0
SYMATTR InstName R1
SYMATTR Value 4700K
SYMBOL Misc\\EuropeanResistor 288 256 R0
SYMATTR InstName R2
SYMATTR Value 47K
SYMBOL Misc\\EuropeanResistor 496 240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 36 53 VTop 2
SYMATTR InstName R3
SYMATTR Value 82K
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 560K
SYMBOL Misc\\EuropeanResistor 880 96 R0
SYMATTR InstName R5
SYMATTR Value {RP}
SYMBOL Misc\\EuropeanResistor 112 256 R0
SYMATTR InstName R7
SYMATTR Value 240K
SYMBOL res 1120 48 R0
SYMATTR InstName R8
SYMATTR Value 9K
SYMBOL voltage 448 -224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 432 -240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 7K
SYMBOL Misc\\EuropeanResistor 976 288 R0
SYMATTR InstName R6
SYMATTR Value 250K
SYMBOL Misc\\EuropeanResistor 880 256 R0
SYMATTR InstName R10
SYMATTR Value 1Meg
SYMBOL cap 800 32 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL Misc\\EuropeanResistor 544 144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 220K
SYMBOL cap 560 -80 R0
SYMATTR InstName C2
SYMATTR Value 4n7
SYMBOL Misc\\EuropeanResistor 560 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 220K
SYMBOL Misc\\EuropeanResistor 256 -96 R0
SYMATTR InstName R13
SYMATTR Value 1K
TEXT 496 464 Left 2 ;Stabi OB2
TEXT 1160 160 Left 2 ;Last
TEXT 240 -304 Left 2 ;U_out Strombegrenzung (60mA)
TEXT 592 368 Left 2 ;Referenzröhre
TEXT 320 96 Left 2 ;Regelverstärker
TEXT 72 -96 Left 2 ;Längsröhre
TEXT 472 -144 Left 2 ;EZ41
TEXT 16 232 Left 2 ;EZ81
TEXT 704 464 Left 2 ;Test linearität der Spannungseinstellung
TEXT -96 640 Left 2 !.step param RP 4250K 1R 100K
TEXT -96 608 Left 2 !.op
TEXT 800 -144 Left 2 ;R5= Poti lin 5Meg
TEXT -96 576 Left 2 !.INC Koren_Tubes.cir