tetrode

[ te-trohd ]

noun

, Electronics.

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

tetrode

/ 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

tetrode

/ 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 screenSee also pentode

Word History and Origins

Origin of tetrode¹

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

Example Sentences

The power of the band-passed signal was computed, smoothed with a 100-point square window, and the median value was measured across the four wires of each tetrode.

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

Locations of all tetrodes were identified by comparing relative locations of tracks in the brain with the locations of individual tetrode guide tubes within the microdrive assembly.

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