Version 4
SHEET 1 1524 680
WIRE -608 -176 -624 -176
WIRE -272 -176 -608 -176
WIRE -96 -176 -272 -176
WIRE -272 -160 -272 -176
WIRE -384 -144 -496 -144
WIRE -320 -112 -448 -112
WIRE -304 -48 -304 -64
WIRE -96 0 -96 -176
WIRE -448 48 -448 -112
WIRE -416 48 -448 48
WIRE -304 48 -304 32
WIRE -304 48 -336 48
WIRE -208 48 -304 48
WIRE -144 48 -208 48
WIRE -608 64 -608 -176
WIRE -304 64 -304 48
WIRE -448 80 -448 48
WIRE -608 160 -608 144
WIRE -448 160 -448 144
WIRE -304 160 -304 144
WIRE -304 160 -448 160
WIRE -128 160 -128 96
WIRE -128 176 -128 160
WIRE -304 192 -304 160
WIRE -576 240 -608 240
WIRE -496 240 -512 240
WIRE -464 240 -496 240
WIRE -352 240 -384 240
WIRE -608 336 -608 240
WIRE -496 336 -496 240
WIRE -336 336 -336 288
WIRE -608 352 -608 336
WIRE -608 448 -608 432
WIRE -496 448 -496 416
WIRE -336 448 -336 416
WIRE -128 448 -128 256
FLAG -608 448 0
FLAG -608 336 in
FLAG -336 448 0
FLAG -496 448 0
FLAG -608 160 0
FLAG -128 448 0
FLAG -208 48 out
FLAG -128 160 out1
SYMBOL Misc\\signal -608 336 M0
WINDOW 123 74 127 Left 2
WINDOW 39 36 47 Left 2
WINDOW 3 -93 98 Left 2
WINDOW 0 -43 11 Left 2
SYMATTR Value SINE(0 2 1k 1)
SYMATTR InstName V1
SYMBOL Misc\\triode -304 240 R0
WINDOW 3 -2 62 Left 2
SYMATTR Value NH12AX7
SYMATTR InstName U2
SYMBOL res -352 320 R0
SYMATTR InstName R2
SYMATTR Value 1k9
SYMBOL res -480 320 M0
SYMATTR InstName R13
SYMATTR Value 470k
SYMBOL cap -512 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 22n
SYMBOL voltage -608 48 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 250
SYMBOL res -368 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 200
SYMBOL res -320 48 R0
SYMATTR InstName R3
SYMATTR Value 2k
SYMBOL res -320 -64 R0
SYMATTR InstName R4
SYMATTR Value 1k2
SYMBOL res -320 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 200k
SYMBOL cap -464 80 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL Misc\\triode -272 -112 R0
WINDOW 3 -2 62 Left 2
SYMATTR Value NH12AX7
SYMATTR InstName U1
SYMBOL Misc\\triode -96 48 R0
WINDOW 3 -2 62 Left 2
SYMATTR Value NH12AU7
SYMATTR InstName U3
SYMBOL res -144 160 R0
SYMATTR InstName R6
SYMATTR Value 25k
TEXT -472 512 Left 2 !.tran 0 1.3 0 30u
TEXT -472 488 Left 2 !.inc dmtriodep.inc