TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

A tuned amplifier employed in the amplification of the signals produced by the mixer in a radio receiver. Because the carrier frequency of the modulated signal from the mixer is essentially constant, the resonant frequency of the amplifier is fixed.  5, fiche 1, Anglais, - intermediate%2Dfrequency%20amplifier

Record number: 1, Textual support number: 1 CONT

Intermediate-frequency (i-f) amplifiers. These are used in radio, radar, and television receivers. The majority of broadcast radio receivers employ i-f amplifiers operating at 445 kHz; some automobile receivers use 262 kHz.  5, fiche 1, Anglais, - intermediate%2Dfrequency%20amplifier

Record number: 1, Textual support number: 1 OBS

IF: abbreviation ... often not capitalized ....  6, fiche 1, Anglais, - intermediate%2Dfrequency%20amplifier

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

La liaison entre le sélecteur U.H.F. et le mélangeur V.H.F., qui est utilisé comme premier amplificateur à fréquence intermédiaire, réduit la bande de fréquences transmise, car les écarts entre les porteuses son et vision sont plus faibles que pour les émissions en bandes I et III.  2, fiche 1, Français, - amplificateur%20%C3%A0%20fr%C3%A9quence%20interm%C3%A9diaire

Record number: 1, Textual support number: 2 CONT

Dans la plupart des récepteurs, l'amplificateur F.I. comporte trois étages, chacun d'eux étant accordé sur la fréquence intermédiaire [...] Cet ensemble permet de sélectionner le spectre de fréquences [...] qui correspond aux signaux à détecter.  2, fiche 1, Français, - amplificateur%20%C3%A0%20fr%C3%A9quence%20interm%C3%A9diaire

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 DEF

The constant voltage amplifier with a high amplification used for linear and non-linear transformation of the input signals, due to the application of a strong feedback.  1, fiche 2, Anglais, - operational%20amplifier

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

Semiconductive Thin Film Detector. Using the known principle that the adsorption and desorption of gases cause a change in electrical conductivity of semiconductors, Seiyama et al. developed a new chromatographic detector for gaseous components.... The current, depending upon the resistance of the film, is converted to voltage by the variable resistance, which is fed without amplification to a recorder. Resistance also adjusts the input voltage of the recorder at desired sensitivity. Using zinc oxide as an example of a typical film material, the conductivity of its film maintains a fixed value when the nitrogen carrier gas is passed at a constant flow rate throught the borosilicate glass tube. When a small amount of another gas or vapor is added to the carrier gas, its conductivity is changed.  1, fiche 3, Anglais, - semiconductive%20thin%20film%20detector

Fiche 3,  Justifications,  Français

Fiche 3,  Justifications,  Espagnol