This circuit was obtained from a Philips documentation from 1968. The transistors can be replaced with equivalents, only with care so that the doubles are exchanged for matched pairs.
This circuit was obtained from a 1966 documentation. The transistors are of the time. The circuit...
Using 3 ports, this rectangular oscillator was found in the March 1996 issue of Electronics Now...
With this circuit it is possible to vary the resistance by adjusting the mark/space reaction of...