triode


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to triode: pentode, Triode amplifier
click for a larger image
triode

tri·ode

 (trī′ōd′)
n.
An electron tube used mostly for signal amplification, consisting of a cathode, an anode, and an intervening wire mesh called a control grid.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

triode

(ˈtraɪəʊd)
n
1. (Electronics) an electronic valve having three electrodes, a cathode, an anode, and a grid, the potential of the grid controlling the flow of electrons between the cathode and anode. It has been replaced by the transistor
2. (Electronics) any electronic device, such as a thyratron, having three electrodes
[C20: tri- + electrode]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•ode

(ˈtraɪ oʊd)

n.
a vacuum tube containing three elements, usu. anode, cathode, and control grid.
[1920–25; tri- + (electr) ode]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.triode - a thermionic vacuum tube having three electrodestriode - a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
It is essential for [M.sub.1] to remain in triode, hence acting as a transconductance.
The model of the triode is the functional analogy [analogue fonctionnel] of a social structure.
The field of corona triode consisting of parallel ionizing wires, a grounded collecting plane electrode and parallel grid rods between them is analysed in [5] using the finite-element and boundary element methods combined with the method of characteristics.
If a single delay transistor is connected as a diode or a triode (Figure 6), then the output voltage swing is reduced.
Due to the equivalent ac coupling capacitor [C.sub.C] between the input transconductance of the current mirror amplifier and the passive switching core, the transistors in the passive switching core are operated in the deep triode region with [V.sub.DS] = 0.
(268) Lee De Forest, a leading inventor of radio technology, patented a substantial improvement, the oscillating triode, which amplified electrical signals and thus exhibited much greater sensitivity in radio reception.
Each tubular heater is controlled by a bidirectional triode alternating current switch.
A MOSFET acts like a closed switch in the triode state when the following equation is satisfied:
I mean, the bottom line here is musical sound reproduction and it seems odd that a tube amplifier with only 80 wpc (or 40 wpc in the triode mode) and costing three grand would be considered a sensible choice by any music lover, particularly when replacement tubes needed someday will cost $400.
Upwelling temperatures, pH and Eh of the hot springs were measured with an ORION 250A digital pH/Eh/T meter equipped with a pH TRIODE L/M electrode and temperature probe (ORION 9010 TM) and Eh platinum electrode with Ag/AgCl reference electrode (ORION).