tetrode

• Sustantivo que designa una válvula termoiónica o tubo de vacío con cuatro electrodos, típicamente utilizada en circuitos electrónicos para amplificación o conmutación.

A noun referring to a thermionic tube or vacuum tube that contains four electrodes, typically used in electronic circuits for amplification or switching.

1. Thermionic tubeC2formaltechnical

   A type of vacuum tube that contains four electrodes: a cathode, an anode, a control grid, and a screen grid.

   Tetrodillo (tubo termoiónico)

   • The tetrode was widely used in early radio transmitters.
   • Engineers replaced the triode with a tetrode for better performance.
   • The screen grid in a tetrode reduces unwanted capacitance.