Using a dual 555 CMOS this very useful circuit on the bench was found in the July 1998 Electronics Now magazine. The circuit is battery powered.
Using two unijunction transistors, this circuit found in Electronics World generates linear...
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this...
This circuit was found in a 2006 publication. It uses discrete components and CMOS that are still...