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
PARTS LIST
PCB
