Electret Preamp TL071

From Robert-Depot
Jump to: navigation, search

Simple battery powered preamp for electret mic.

Mic

Electret tip.jpg

External biased electret mic with stereo 3.5mm jack. This will also work directly with cheap USB audio cards, for raspberry pi, etc.

2009_locusschema.png

http://locusonus.org/w/index.php?page=Locustream+LocusMic

Schematic

House preamp tl071.png


Board

House preamp tl071 board.png

Eagle Design Files

File:house_preamp_tl071_eagle.zip

Gerber Files

File:house_preamp_gerber.zip