Strobe (T461E)

Found in Popular Electronics from August 1968, this circuit makes use of a strobe tube from the time.

LM3914 expanded scale (CB25110E)
The figure shows how to use the LM3914 bargraph with expanded scale. The circuit has two...
Kinetis L Series of MCUs (COM157E)
November 2016 - Mouser Electronics is indicating in its inventories the new NXP Kinetis L MCUs....
Passive Audio Filter (CB10348E)
This circuit was found on a Radio Elettronica (Italy) from April 1974. The circuit can be easily...