Circuit Project Electronic

The gain control element is a Light Dependent Resistor (LDR). These are blessed with a few very useful features for our purposes, one of which is low distortion even at quite high signal levels. Being light activated, all we need is a LED to provide illumination when the preset power level is reached.

Read more original source:
http://www.sound.westhost.com/project53.htm

This entry was posted on Tuesday, June 10th, 2008 at 11:47 am and is filed under Audio - Alarm, Electronic Control. You can follow any responses to this entry through the RSS 2.0 feed.