This 9 V battery eliminator was found in Radio Electronics magazine from June 1966. The transistor is of medium power and must be equipped with a small heat sink.
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This circuit, ideal for those who have signal problems in the UHF band, mainly in the reception of digital...
This circuit is suitable for modulating small FM transmitters for eavesdropping or espionage. The...