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Would like to build a dynamic microphone preamplifier to be powered with a singl

Externet 81 0
  • #1
    Externet
    Level 1  
    Hello all.
    Would like to build a dynamic microphone preamplifier to be powered with a single lithium cell (2.5V~4.2V). Please suggest considerations to do it right.
    The microphone element will be 32 ohm, frequency response desired only for voice range, high inteligibility. Signal will be fed to a 8002B amplifier IC.