Signals of up to a few tens of kilohertz can be generated by this circuit found in a European publication from the 1980s. Transistors admit equivalents and the unijunction can be 2N2646.
This interesting circuit was found in a 90’s American documentation. The circuit has a maximum...
This conventional double time constant circuit was found in an American documentation from the...
The circuit in the figure checks the continuity of components, making it ideal for students and...