This 555-based circuit was obtained from the 1995 Encyclopedia of Electronic Circuits volume 5. It triggers an SCR when the transistor is cut off.
We found this circuit with several types of sensors in a 1995 documentation. The circuit also has...
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...