This circuit, for frequencies up to 100 kHz, was found in American documentation from 1970. The circuit can serve as a reference for projects with modern equivalent components.
This circuit for car engine spot adjustment was found in an 80's Radio Electronics. The circuit...
This circuit was found in an old manual of linear integrated circuits of the 80's. Equivalent...
This 800 Hz sinusoidal oscillator was found in a 1970s American documentation. The transistor...