Tetrode (864 bytes)
1: A '''tetrode''' is a two-grid [[vacuum tube]]. It has four ele...
3: A '''tetrode''' is a group of wire bundles used in electrophys...
7: [[nl:tetrode]]

Sackur-Tetrode equation (1118 bytes)
1: The '''Sackur-Tetrode equation''' is an expression for the entropy of a
5: The Sackur-Tetrode equation is written:
16: for a derivation of the Sackur-Tetrode equation.
18: The Sackur-Tetrode equation can also be conveniently expressed in te...

Screen grid (1911 bytes)
3: ...]] of a [[triode]] valve. This turns it into a [[tetrode]]. The screen grid is usually connected to the h...
5: ...ve resistance]] characteristic, sometimes called "tetrode kink". This is more often than not unwanted, but...
9: ...]] to make repectively, a [[pentode]] or a [[beam tetrode]].

Tunnel diode (1473 bytes)
3: ...e [[dynatron oscillator]] which normally uses a [[tetrode]] [[thermionic valve]] (or tube).
5: ...would operate at frequencies far greater than the tetrode would, in fact well into the microwave bands. Ho...

Dynatron oscillator (1777 bytes)
7: ...aracteristic. Examples of such devices are the [[tetrode]] [[thermionic valve]] (or tube) and the [[tunnel...
11: ...r, though technically, only the version using the tetrode valve is a true dynatron oscillator.

KT66 (3620 bytes)
5: ..., which maximized the [[efficiency]] of a power [[tetrode]] by positioning its [[anode]] at a distance whic...
7: ...amily under the sobriquet "KT", meaning "kinkless tetrode".

6L6 (3996 bytes)
5: ...ed that RCA licensed the design for the "kinkless tetrode" from British firm [[M-OV]], although RCA's own e...
7: ..., which maximized the [[efficiency]] of a power [[tetrode]] by positioning its [[anode]] at a distance whic...
9: ...amily under the sobriquet "KT", meaning "kinkless tetrode".
11: ...ecause M-OV's engineers did not feel the kinkless tetrode could be successfully mass-produced, they license...

Nuvistor (1664 bytes)
1: ...le. [[Triode]]s and tetrodes were made, although tetrode nuvistors are rare. The tube is made entirely of ...
10: * 7587 - Sharp cutoff tetrode

Suppressor grid (657 bytes)
3: ...creen grid]] and the [[anode]] ([[plate]]) of a [[tetrode]], turning it into a [[pentode]].

Gibbs paradox (4440 bytes)
2: ...al Maxwell-Boltzmann gas]] is known as the Sackur-Tetrode equation.
64: ... easily shown to be extensive. This is the Sackur-Tetrode equation for the entropy of an [[Ideal_gas|ideal ...
65: ''S/kN'' is the Sackur-Tetrode constant.

Walter H. Schottky (669 bytes)
1: ...screen-grid vacuum tube''' in [[1915]] and the '''tetrode''' in [[1919]] while working at [[Siemens AG|Siem...

Secondary emission (1968 bytes)
3: This effect can be undesireable such as in the [[tetrode]] [[thermionic valve]] (tube). In this instance ...

Valve amplifier (6242 bytes)
11: ...ther schisms concern the use of [[triode]]s vs. [[tetrode]]s and [[pentode]]s, and the use of [[directly he...
25: ...istic]]s, whereas later forms of the valve, the [[tetrode]] and [[pentode]] have quite different characteri...

Thyratron (4511 bytes)
1: ...h [[energy]] electrical [[switch]]. [[Triode]], [[Tetrode]] and [[Pentode]] variations of the thyratron hav...

Vacuum tube (22208 bytes)
22: ...ation problem. This two-grid tube is called a ''[[tetrode]]'', meaning four active electrodes.
26: ...of the circuit. This effect was sometimes called "tetrode kink". Again the solution was to add another grid...
34: ...e used in the construction of large ceramic power tetrodes used in radio transmitters.
39: ...s of hours. The record is held by an Eimac power tetrode used in a Los Angeles radio station's transmitter...
53: ...ently available is the Eimac 8974, a water-cooled tetrode capable of dissipating 1.5 megawatts. (By compari...

Valve sound (7028 bytes)
17: ...istic]]s, whereas later forms of the valve, the [[tetrode]] and [[pentode]] have quite different characteri...

Bose gas (10774 bytes)
144: ...lpha;=3/2 is simply a restatement of the [[Sackur-Tetrode equation]].

Physical constant (22701 bytes)
616: <td rowspan="2" align="center">[[Sackur-Tetrode constant]]</td>

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