The circuit presented is a Japanese commercial radio for AM with 50 mW of output power, powered by 9 V. The circuit is from the 60s, having been found in documentation of the time.
This simple circuit consists of a blinker for a very low consumption neon lamp, found in a 1982...
This overcurrent relay was obtained in a documentation from the 90's. The sensor consists of a...
This bridge circuit was found in a 1960s book by Gernsback. The circuit tests general-purpose NPN...