This astable multivibrator was obtained from a Mullard documentation from 1960. The components depend on the used transistor and on the frequency, as shown in the table next to the diagram.
This circuit was obtained from a 1966 documentation. The transistors are of the time. The circuit...
This precision rectifier circuit is suitable for applications in an AC / DC converter. We find it...
I found this circuit in a Popular Electronics from November 1999. The magazine is no longer...