This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current equivalents can be experienced. The graph with the circuit performance is given next to the diagram.
This simple circuit was obtained from Popular Electronics in December 1990. The magazine no longer...
Indicated by a 90s Popular Electronics, this circuit amplifies acoustic signals for analysis on an...
) This variable frequency oscillator was found in an old American documentation. Transistors allow more...