tetrode

American  

[te-trohd] / ˈtɛ troʊd /

noun

Electronics.

1. a vacuum tube containing four electrodes, usually a plate, two grids, and a cathode.

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tetrode British  

/ ˈtɛtrəʊd /

noun

1. an electronic valve having four electrodes, namely a cathode, control grid, screen grid, and anode

2. (modifier) (of a transistor) having two terminals on the base or gate to improve the performance at high frequencies

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tetrode Scientific  

/ tĕt′rōd′ /

1. A four-element electron tube containing an anode, cathode, control grid, and additional electrode called the screen. They function in the same manner as triode, but are more effective at higher frequencies due to the effect of the screen.

2. See more at screen See also pentode

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Etymology

Origin of tetrode

First recorded in 1900–05; tetr- + -ode ¹

Example Sentences

The sum of the four signals from each tetrode was computed, and thresholds of −3 and +3 s.d. were applied to the summed data.

From Nature

Correct track lengths for tetrode recordings by date are provided in of this Corrigendum.

From Nature

Each row corresponds to one tetrode; dots indicate sessions with grid cells.

From Nature

We computed the first three principal components of the extracted waveforms from each tetrode.

From Nature

If two clusters on the same tetrode on two subsequent recording sessions had a Mahallanobis distance of less than 20, they were considered to belong to the same unit.

From Nature