This high-power flasher for incandescent signaling lamps was found in a 1980s General Electric documentation. The circuit has a photoelectric control and is powered by the 110V grid.
We have in the figure a traditional amplifier configuration with operational amplifier. The source...
This circuit was found in a 1977 Radio Shack documentation. The circuit is TTL, which must be...
This circuit is suitable for modulating small FM transmitters for eavesdropping or espionage. The...