This interesting reflex receiver used a different component, which at the time was showing up. The receiver is from a 1924 documentation and used a sodion tube.
This circuit is from the 1982 SGS linear integrated circuit manual. The LS776 is not common today,...
This circuit was obtained in an old English magazine from 1976. However, the components can still...
In the figure we have a simple way to obtain (almost) sinusoidal signals from an integrated...