Used in satellite TV receptions in the 1980s, this circuit was found in the March 1980 issue of Radio Electronics magazine. Note the board layout.
This circuit can be enabled and disabled by a TTL signal. The relay is a low current reed type and...
This circuit was found in a 1965 US documentation. The circuit converts a DC signal to a 400 Hz AC...
This circuit can function as a high-power shield completely isolated from the power grid. We found...