Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to tetrode: triode, pentode


A four-element electron tube containing an anode, cathode, control grid, and additional electrode.


1. (Electronics) an electronic valve having four electrodes, namely a cathode, control grid, screen grid, and anode
2. (Electronics) (modifier) (of a transistor) having two terminals on the base or gate to improve the performance at high frequencies


(ˈtɛ troʊd)

a vacuum tube containing four electrodes, usu. a plate, two grids, and a cathode.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetrode - a thermionic tube having four electrodestetrode - a thermionic tube having four electrodes
electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
References in periodicals archive ?
Tetrode created small-scale, exhilarating bronzes of heroic, muscular male nudes that inspired the likes of Goltzius.
Tenders are invited for Repairs Of Cfa Tetrode Module Of Radar Of In Sahiyadri
They suppose that the energy of particles is given by a time-symmetrical field; this interpretation was made by Tetrode and assumes that particles are not self-interacting.
The recording tetrode was formed of four twisted polyester insulated nickel-chrome alloy wires (diameter, 13 [micro]m; California Fine Wire Co.
This structure based tunnel diode shows great promise as an oscillator and high-frequency threshold (trigger) device since it can be operated at frequencies far greater than the tetrode would, well into the microwave bands.
As described by Wayne Tustin, principal at Equipment Reliability Institute and a long-time EE contributor of vibration testing articles, the image accompanying this article shows a Ling water-cooled vacuum tetrode power amplifier to the left of the shaker.
Ideal for MIL-STD-461/462, RS103 testing, this tetrode tube RF amplifier provides power output of 1000 Watts.
Gerhard, a native of Hertogenbosch, was among a remarkable group of Netherlandish sculptors, including Giambologna, Willem Tetrode, Johann Gregor van der Schardt, Hans Mont, and Adriaen de Vries, who moved to Italy and pursued careers abroad.
They discussed this with Einstein, who suggested a proposal by Tetrode that light was a two-way communication exchange between source and receiver utilizing in- and out-waves.