This circuit was found in the August 1993 Electronics Now magazine. It is for telephones used on common old-style analog lines.
The great advantage of the circuit shown in the figure is that its frequency is controlled by a...
Two or more 4013 can be cascaded to perform a divide-by-4 (-8, -16, etc.) as shown here. The...
August 2017 - Mouser Electronics is now offering the Diodes Incorporated AH1389 Hall Single-pole...