Version 4
SHEET 1 880 680
WIRE 0 -112 -80 -112
WIRE 384 -112 0 -112
WIRE 544 -112 384 -112
WIRE -80 -96 -80 -112
WIRE 384 -80 384 -112
WIRE 544 -64 544 -112
WIRE 144 16 -192 16
WIRE 384 16 384 0
WIRE 384 16 224 16
WIRE 384 32 384 16
WIRE -80 80 -80 -16
WIRE 320 80 -80 80
WIRE -80 128 -80 80
WIRE 0 128 0 -112
WIRE 176 128 96 128
WIRE 384 144 384 128
WIRE 384 144 288 144
WIRE -192 176 -192 16
WIRE -192 176 -256 176
WIRE -128 176 -192 176
WIRE 96 176 96 128
WIRE 96 176 64 176
WIRE 144 176 96 176
WIRE 384 176 384 144
WIRE 416 176 384 176
WIRE 512 176 496 176
WIRE -128 192 -128 176
WIRE -80 240 -80 224
WIRE -80 240 -160 240
WIRE -32 240 -80 240
WIRE 0 240 0 224
WIRE 0 240 -32 240
WIRE 384 240 384 176
WIRE -192 256 -192 176
WIRE -32 256 -32 240
WIRE -256 272 -256 256
WIRE -192 352 -192 336
WIRE -32 352 -32 336
WIRE -32 352 -192 352
WIRE 384 352 384 320
WIRE 384 352 -32 352
WIRE 496 352 384 352
WIRE -32 368 -32 352
FLAG 544 16 0
FLAG -32 368 0
FLAG 512 176 out
FLAG -256 272 +inv
FLAG 144 176 -inv
DATAFLAG -144 16 "round($*100)/100"
DATAFLAG -32 80 "round($*100)/100"
DATAFLAG 304 16 "round($*100)/100"
DATAFLAG 304 144 "round($*100)/100"
DATAFLAG -128 240 "round($*100)/100"
DATAFLAG 128 128 "round($*100)/100"
DATAFLAG 384 16 "round(I(R6)*10000)/10000"
DATAFLAG -80 48 "round(Id(J1)*10000)/10000"
DATAFLAG -64 304 "round(I(R4)*10000)/10000"
DATAFLAG 0 16 "round(Ic(Q2)*10000)/10000"
SYMBOL res -272 160 R0
SYMATTR InstName R1
SYMATTR Value 5k1
SYMBOL res -208 240 R0
SYMATTR InstName R2
SYMATTR Value 470k
SYMBOL res 240 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 330k
SYMBOL npn 64 128 M0
WINDOW 0 40 19 Left 2
WINDOW 3 18 39 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N4401
SYMBOL res -48 240 R0
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res -96 -112 R0
SYMATTR InstName R5
SYMATTR Value 47k
SYMBOL pnp 320 128 M180
WINDOW 0 41 34 Left 2
WINDOW 3 37 59 Left 2
SYMATTR InstName Q3
SYMATTR Value BC557B
SYMBOL res 368 -96 R0
SYMATTR InstName R6
SYMATTR Value 470R
SYMBOL res 368 224 R0
SYMATTR InstName R7
SYMATTR Value 4k7
SYMBOL res 512 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 510R
SYMBOL voltage 544 -80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 24V
SYMBOL njf -128 128 R0
SYMATTR InstName J1
SYMATTR Value 2SK117_jp
TEXT 568 144 Left 2 !.tran 0 10m 0 20u
TEXT 560 112 Left 2 !.four 1kHz v(out)