Phantom-Powered Professional Microphone Pre-Amplifier Circuit Using INA217

The Circuit is based on INA217 from Texas Instruments and the IC used in professional audio equipment such as professional microphone preamps, moving-coil transducer amplifiers, differential receivers, and bridge amplifiers.   Features 48V Phantom Powered, Remotely Located Microphone Circuit Operates from +/-15V Power Supply Low Distortion and Noise Over The Audio Frequency Band Gain Range from To 20db To 60

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