TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

AMPLIFYING CIRCUIT [4 records]

Record 1 2021-05-08

English

Subject field(s)
  • Amplifiers (Electronics)
  • Electronic Circuits Technology
CONT

Amplifier is the generic term used to describe a circuit which produces and increased version of its input signal. However, not all amplifier circuits are the same as they are classified according to their circuit configurations and modes of operation.

OBS

amplifying circuit : designation officially approved by the Lexicon Project Committee(New Brunswick).

French

Domaine(s)
  • Amplificateurs (Électronique)
  • Technologie des circuits électroniques
CONT

Les filtres actifs utilisent au moins un composant actif [...] Il s'agit essentiellement d'un circuit amplificateur dont la réponse en fréquence est réglée par les éléments déphaseurs aussi bien dans le circuit direct que dans la contre-réaction.

OBS

circuit amplificateur : désignation uniformisée par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Campo(s) temático(s)
  • Amplificadores (Electrónica)
  • Tecnología de los circuitos electrónicos
Save record 1

Record 2 2016-07-04

English

Subject field(s)
  • Telecommunications
OBS

In an amplifying system, the effect of coupling between the output circuit and the input circuit, resulting in a modification of the power output.

Key term(s)
  • feed-back

French

Domaine(s)
  • Télécommunications
DEF

Dans un système amplificateur, effet de couplage entre le circuit de sortie et le circuit d'entrée entraînant une modification de la puissance débitée.

Spanish

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Record 3 2009-11-13

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Transmission
CONT

High-power modulation. In an AM transmitter amplitude modulation of the carrier by introducing the modulating signal into the anode circuit of the final amplifying stage. The power of the modulating signal thus approximates to that at the transmitter output.

CONT

Modulation is also identified as to level. High level modulation occurs when the modulating voltage is applied to the collector/plate circuit of the final power amplifier. With high level modulation, the final stage is operated class C and the preceding stages are also operated class C. The overall efficiency of such a transmitter is very high. A disadvantage of high level modulation is that comparatively high audio power is needed and several stages of voltage and power amplification may be required in the speech amplifier and modulator circuits.

French

Domaine(s)
  • Émission et réception radio
  • Transmission (Télécommunications)

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
  • Transmisión (Telecomunicaciones)
DEF

Modulación de la portadora de un transmisor de radio efectuada en el amplificador de radiofrecuencia final, normalmente en su circuito anódico.

Save record 3

Record 4 2002-08-14

English

Subject field(s)
  • Electrical Networks
  • Telecommunications Facilities
DEF

A repeater for use in a four-wire or four-wire type circuit in which there are two amplifiers, one amplifying the signals in one channel and the other amplifying the signals in the other channel of the circuit.

French

Domaine(s)
  • Réseaux électriques
  • Installations de télécommunications
DEF

Répéteur téléphonique employé sur un circuit à quatre fils ou sur un circuit assimilé à un circuit à quatre fils et comprenant deux amplificateurs dont l'un sert à amplifier les courants téléphoniques dans l'une des voies de transmission du circuit à quatre fils, et dont l'autre sert à amplifier les courants téléphoniques dans l'autre voie.

Key term(s)
  • répéteur 4 fils

Spanish

Campo(s) temático(s)
  • Redes eléctricas
  • Instalaciones de telecomunicaciones
DEF

Repetidor que se utiliza en un circuito a cuatro hilos o en un circuito semejante al de cuatro hilos y que incluye dos amplificadores, uno de los cuales sirve para aumentar las señales en uno de los canales de transmisión y el otro para aumentar las señales en el otro canal de circuito.

Save record 4

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