Version 4
SHEET 1 880 680
WIRE 528 0 384 0
WIRE 656 0 528 0
WIRE 112 16 112 -80
WIRE 192 16 192 -80
WIRE 192 16 176 16
WIRE 112 48 112 16
WIRE 112 48 80 48
WIRE 128 80 64 80
WIRE 128 96 128 80
WIRE 0 112 0 64
WIRE 80 112 80 48
WIRE 96 112 80 112
WIRE 192 128 192 16
WIRE 192 128 160 128
WIRE 224 128 192 128
WIRE 320 128 304 128
WIRE 528 128 528 0
WIRE -128 144 -128 128
WIRE -32 144 -48 144
WIRE 96 144 -32 144
WIRE -32 192 -32 144
WIRE 320 192 48 192
WIRE -128 208 -128 144
WIRE -128 208 -176 208
WIRE 64 224 64 80
WIRE 128 304 128 160
WIRE 192 304 128 304
WIRE 320 304 320 192
WIRE 528 304 320 304
WIRE 672 304 528 304
WIRE 688 304 672 304
FLAG 64 304 0
FLAG 192 224 0
FLAG 0 64 0
FLAG 656 80 0
FLAG 672 304 Uout
IOPIN 672 304 Out
FLAG -176 128 0
FLAG 384 256 0
SYMBOL Opamps\\UniversalOpamp2 128 128 R0
SYMATTR InstName U1
SYMBOL voltage -176 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage 64 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 30
SYMBOL voltage 192 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 0
SYMBOL res 96 96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL cap 176 0 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 150p
SYMBOL res 208 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1000k
SYMBOL voltage 656 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 30
SYMBOL res -32 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 2k
SYMBOL res 64 176 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 12k
SYMBOL npn 320 80 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 368 -16 R0
SYMATTR InstName R5
SYMATTR Value 5
SYMBOL npn 464 128 R0
SYMATTR InstName Q2
SYMATTR Value 2N3055
SYMBOL res 480 160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 4,7k
SYMBOL res 512 208 R0
SYMATTR InstName R7
SYMATTR Value 5
SYMBOL res 320 112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 4,7k
SYMBOL res 368 160 R0
SYMATTR InstName R9
SYMATTR Value 10k
TEXT -96 336 Left 0 !.dc V1 0 5 0.5