This circuit was found in a Popular Electronics from the 90s. Its purpose is to disable the output of an FM or VHF receiver between stations, preventing the reproduction of hiss.
This instrument was found in a publication for radio amateurs in 1973. The tuned circuit consists of...
This circuit was found in an American documentation. Its purpose is to allow the use of a digital...
The sensor used in this transistor is a common silicon transistor and the operational admits...