This circuit was found in the July 1998 issue of Electronis Now magazine. It is a traditional gated version of the 4049 and has its frequency controlled by R2.
This circuit was obtained in an Electronics Now of the 90s. The circuit monitors the DIN connector of...
Found in a 1965 Motorola documentation, this circuit uses a neon lamp as a trigger element. The SCR...
The outputs of each switch position are determined by the zener voltage plus the drive voltage of each...