Components/circuit selection for hydrophone ?

Discussion in 'General Electronics Chat' started by Externet, Mar 3, 2016.

  1. Externet

    Thread Starter AAC Fanatic!

    Nov 29, 2005
    758
    57
    Hi.
    Can you suggest proper components to build a piezo disc microphone preamplifier, that will drive the input of a plain LM386N and then to a speaker ?

    Front end stage with a FET or which dedicated IC ? Limitation is a single 3.5V supply.
     
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