This circuit generates signals in four frequency bands with the threshold values indicated in the diagram. The circuit was found in the March 1996 issue of Electronics Now magazine.
This simple circuit was found in an English magazine that no longer exists, January 1970 issue. This...
Found in a 90’s Electronic Design, this circuit generates stable signals in frequency given by the...
This circuit was found in Philips documentation from 1965. No information was given about the...