This noise generator for the audio band was found in a British publication from the 1970s. The circuit can be implemented with modern equivalent transistors.
The first circuit we present consists of a step-down DC / DC converter with input voltage from 2.5 to...
This source for 50 W amplifiers per channel was found in 1967 Delco documentation. Transistors are from...
This interesting circuit of an ancient American publication makes the pattern of an exclamation mark...