Found in a Philips' 1968 documentation, this circuit is slightly different from the previous one. The components are also from the era, and modern equivalents can be used.
Found in an Electronic Design and 1970s, this circuit uses transistors of the time. The...
We found this circuit in a 1967 Electronic design. However, it can be easily implemented even...
A rectangular signal can be generated with the figure setting. The values given in the circle...