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FREQUENCY SETS [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-05-23

English

Subject field(s)
  • Oscillators and Oscillating Circuits (Electronics)
  • Amplifiers (Electronics)
CONT

The final tuning component of the oscillator, C2 [capacitor] sets the voltage tuning gain of the oscillator. This capacitor should keep the coupling as light as possible while maintaining the required frequency tuning range of the VCO [voltage controlled oscillator] so that the varactor's phase noise contribution is reduced to a minimum. If the coupling is too light, the oscillator may not start under certain conditions.

OBS

frequency tuning range: term officially approved by the Electronics and Telecommunications Terminology Committee.

French

Domaine(s)
  • Circuits oscillants et oscillateurs (Électronique)
  • Amplificateurs (Électronique)
CONT

La plage de fréquences d’accord : elle est définie pour un oscillateur contrôlé en tension et correspond à la bande passante de l’oscillateur. Si l’oscillateur est variable en fréquence, cette variation peut s’exprimer en pourcentage de la fréquence centrale.

OBS

plage de fréquences d'accord : terme uniformisé par le Comité d’uniformisation des termes de l’électronique et des télécommunications (CUTEL).

Spanish

Campo(s) temático(s)
  • Osciladores y circuitos oscilantes (Electrónica)
  • Amplificadores (Electrónica)
Save record 1

Record 2 2008-07-25

English

Subject field(s)
  • Transformers
CONT

A rotating field transformer comprises a torque motor and a rotating electric machine having two sets of windings, each of the windings connected to a respective polyphase electric circuit. The two windings have the same number of magnetic poles and generate coincident rotating magnetic fields having the same direction of rotation.... The rotating field transformer can be used to control the frequency at which power is supplied to a polyphase load, or to manage instabilities in weak links between generating stations.

Key term(s)
  • rotating-field transformer

French

Domaine(s)
  • Transformateurs

Spanish

Save record 2

Record 3 2007-01-09

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Television (Radioelectricity)
DEF

A form of automatic frequency control for TV sets that eliminates the need for a separate fine tuning control to be used each time the channel is changed.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Télévision (Radioélectricité)
DEF

Mode d'accord automatique des fréquences propre à un téléviseur, qui dispense d'avoir recours à un réglage fin supplémentaire à chaque changement de canal.

Spanish

Save record 3

Record 4 2003-02-26

English

Subject field(s)
  • Scientific Instruments
  • Research Experiments in Space
CONT

The WHISPER instrument [Waves of High Frequency and Sounder for Probing of Electron Density by Relaxation] yields two data sets :(i) the electron density determined via the relaxation sounder, and(ii) the spectrum of natural plasma emissions in the frequency band 2-80 kHz. Both data sets allow three dimensional exploration of the magnetosphere by the Cluster mission.

French

Domaine(s)
  • Instruments scientifiques
  • Travaux de recherche dans l'espace
CONT

L'instrument WHISPER fait l'analyse par transformée de Fourier numérique des émissions électriques naturelles captées par l'instrument EFW (élément du WEC [Wave Experiment Consortium]) dans la gamme haute fréquence (de 2 kHz à 80 kHz). Complété par un émetteur construit au DSRI (Danish Space Research Institute), il mesure la densité du plasma par sondage à relaxation.

Spanish

Save record 4

Record 5 1994-12-19

English

Subject field(s)
  • Signals (Military)
  • Air Communications (Air Forces)
  • Radio Transmission and Reception
CONT

Under the control of the operator, the unit stores a number of frequency sets.

French

Domaine(s)
  • Transmissions de campagne (Militaire)
  • Communications aériennes (Forces aériennes)
  • Émission et réception radio
CONT

Le poste mémorise un certain nombre de jeux de fréquences programmés par l'opérateur.

Spanish

Save record 5

Record 6 1986-01-29

English

Subject field(s)
  • Radio Transmission and Reception
CONT

To select a given frequency for transmission, the operator sets the channel selection control to MAN and selects the desired frequency by using the frequency-control switches; the operator can now transmit.

OBS

frequency selector knob: Ce terme désigne uniquement le bouton de commande de l’instrument.

French

Domaine(s)
  • Émission et réception radio
OBS

Terme uniformisé par le CUTA opérations aériennes.

Spanish

Save record 6

Record 7 1983-04-20

English

Subject field(s)
  • Radio Transmission and Reception
CONT

The HF-1 and HF-2 radio sets are able to operate simultaneously(SIMOP) with a minimum frequency separation of 10 percent using a reduced transmitting power.

French

Domaine(s)
  • Émission et réception radio

Spanish

Save record 7

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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