This circuit allows you to adjust the balance between channels of a stereo amplifier. The circuit makes use of an analog indicator with zero in the center of the scale.
This 2-quadrant modulator circuit was found in the May 1988 issue of Radio Electronics magazine. The...
The circuit is from the 1994 National Semiconductor Linear Applications Handbook but can be...
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...