This circuit, which appears elsewhere on this website, was obtained from 1967 General Electric documentation. All semiconductors used are uncommon today.
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...
This circuit simulates an inductor. Or operational amplifier of old type, but a configuration is...
This multipurpose amplifier of a few hundred milliwatts of power was found in a Raytheon circuit...