This biestable vox circuit was found in an old documentation. The circuit makes use of components of the time (80's) and can work as a shield since the power is 5 V.
Found in ancient American documentation this circuit uses semiconductors from the thyristor family such as...
The 8038 integrated circuit is not very common today. It is a circuit that generates signals of...
This circuit was found in General Electric documentation from the 1980s. The circuit is intended...