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.
The purpose of the circuit shown in the figure, obtained from a 1972 documentation, is to delay the...
This circuit is used to match a high impedance input source with a low impedance output device...
This circuit of a 73 American magazine from the 1990s can generate multiple frequency signals from the...