A microphone of 300omega impedance has an output at -60 db, Electrical Engineering

A microphone of 300omega impedance has an output at -60 db

A microphone of 300Ω impedance has an output at -60 dB below a 1 mW reference level. The microphone provides input to an amplifier which in turn is to provide an output level of 30 dBm when a load of 8 Ω is connected to the output terminals of the amplifier. Find

(a) The output voltage of the microphone

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Electrical Engineering: A microphone of 300omega impedance has an output at -60 db

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Electrical Engineering: A microphone of 300omega impedance has an output at -60 db

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