Microphone_preamp_with_low_supply_voltage

Published:2009/7/23 21:20:00 Author:Jessie | From:SeekIC

This preamp operates from a single 1.5-V cell, and can be located rightat the microphonQ. The circuit has 60-dB gain with a 10-kHz bandwidth, unloaded, and 5-kHz bandwidthwhile loadedwith 500Ω.The input impedance is10 kΩ．



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