This circuit from the 90s, found in an Electronic Engineering can be used as a shield since its control is digital with TTL logic of 5 V. The components used are still common today.
The gain of this amplifier depends on the component values as well as the operating range and the...
This biestable vox circuit was found in an old documentation. The circuit makes use of components of...
This circuit is from 2001 documentation with the purpose of controlling a pump that fills a water...