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Bild
Schaltplan eines RMS-Messgeräts
J2 220V Mains, T1 1VA 230V, R1 10k, C1 100nF, U1A OP270, R3 2k2, K2 DD, U1 W, U1 Z1, U1 Z0, U1 ER, U1 Y2, GND, R4 560, C3 1nF, T2 1VA 230V, R2 10k, C2 100nF, U2 AD734, R6 2k2, K2 DD, U2 W, U2 Z1, U2 Z0, U2 ER, U2 Y2, R5 560, C5 1nF, U18 OP270, C19 1nF, C20 100nF, U4A OP270, R7 47k, R8 47k, C4 4u7, U3 AD637xQ, C5, R11 47k, R16 10k, R15 5k, U4B OP270, C18 1nF, R14 1k, R13 3500ppm, R17 10k, R18 10k, R12 10k, U12 LM741, D3 BAT41, D4 BAT41, Q1 BS170, RV3, RV4, RV1, RV2,
