Found in the 1975 RCA tube manual, this circuit appears elsewhere in this section. The circuit uses contemporary components and is powered by the power grid.
This circuit generates low-frequency sinusoidal signals. The variable capacitor is dual and the...
This circuit was found in a 1980s documentation. It triggers a relay when liquid from a reservoir...
This circuit was found in the January 1995 Electronics Now magazine. Its configuration is valid for...