This 800 Hz sinusoidal oscillator was found in a 1970s American documentation. The transistor supports a modern general-purpose equivalent. The frequency is given by the RC network that can be changed.
This circuit was found in a European documentation from 1964. The circuit makes use of components of...
We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994....
This interesting circuit, found in a European publication from the 90s, has two control channels for...