Grid Leak

Some articles on grid, grid leak:

Grid-leak Detector
... A grid-leak detector is a combination diode rectifier and audio amplifier used as a detector in vacuum tube AM radio receivers ... The grid leak is the small current through the grid of a vacuum tube caused by the small negative EMF which is present in all vacuum tubes as a result of a space charge within the envelope of ...
Grid-leak Detector - Operation
... In the circuit, the grid of the detector (usually a low-mu or medium-mu triode) is connected to the secondary of the final RF or IF transformer through a ... this capacitor, or from the detector's grid to ground ... in concert with the nearly unidirectional current flow of the detector's grid-to-cathode (or grid-to-filament, if it's directly heated) circuit, forms a ...
Grid-leak Detector - Grid Leak Bias
... A valve/tube has a resistor connected from grid to ground, typically as the only bias component ... Thus grid leak current is used to bias the valve ... When the grid leak stage had a transformer input, the valve grid connected to one end of the transformer secondary, and the other end of the secondary went to ground via ...

Famous quotes containing the word leak:

    The office ... make[s] its incumbent a repair man behind a dyke. No sooner is one leak plugged than it is necessary to dash over and stop another that has broken out. There is no end to it.
    Herbert Hoover (1874–1964)