TINY MIC PREAMPLIFIER

The Tiny Mic Preamplifier based is based on a single transistor amplifier design.  It amplifies the output of the electret condenser microphone.  Good choice for Karaoke.

SPECIFICATIONS

  • Power supply: 5 ~ 9 VDC @ 2 mA
  • Provides standard audio signal
  • PCB dimensions 26 mm x 56 mm

SCHEMATIC

SCH

PARTS LIST

BOM

PCB

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