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Bild
Schaltplan eines Audio-Wattmeters
18 ABS VAL 14 ABS VAL 4 5 6 7 9 12 8 13 15V C11 100n R17 1k R18 84k5 P6 25k D1 D2 M1 1N4148 50uA LT1028 IC1 C4 10u P2 1k R1 3 7 8 6 2 JP1 R2 30R L2 4mH R 0-32Ω 47p C10 15n 15V R6 37R R7 R8 100k R9 135 C14 15V IC4 AD711 P3 100k R15 14k7 2 7 15V C15 10u 16 13 C7 C-RMS 100n C17 47u 15V C18 100n 15V C20
