SINGLE_ENDED_HI_Z_MICROPHONE_PREAMP

Published:2009/6/18 23:47:00 Author:May | From:SeekIC

This low noise circuit works on a +5-V supply. Gain range is 20 to 40 dB and bandwidth is 20 kHz with the AD820. THD is 0.05% with 1 V RMS into a 2-kΩ load. Noise output with the input shorted is less than 200μV.



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