This oscillator uses a small IF transformer taken from an old transistor radio. FET admits equivalents. The circuit can be used to calibrate radios.
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...
This circuit for Laser Diode power was found in a 2005 Linear Technology manual. In the diagram...
This circuit tests whether electronics are properly protected with internal grounding. If the...