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HETERODYNE FREQUENCY [7 records]

Record 1 2019-09-13

English

Subject field(s)
  • Electronic Circuits Technology
  • Electrical Engineering
CONT

Heterodyne detection with weak-link devices. A rather different mode of operation is to use the Josephson effect device as a heterodyne mixer to convert from millimeter wavelength to a convenient(that is, lower) frequency where conventional infrared amplification can operate.

French

Domaine(s)
  • Technologie des circuits électroniques
  • Électrotechnique

Spanish

Save record 1

Record 2 2016-07-11

English

Subject field(s)
  • Radio Transmission and Reception
  • Radar, Radio Guidance and Goniometry
DEF

A receiver in which all incoming modulated RF [radiofrequency] carrier signals are converted to a common intermediate frequency carrier value for additional amplification and selectivity prior to demodulation, using heterodyne action.

Key term(s)
  • super-heterodyne receiver

French

Domaine(s)
  • Émission et réception radio
  • Radar, radioguidage et radiogoniométrie
DEF

Appareil qui, par battement avec un générateur local, transforme une haute fréquence en fréquence plus basse.

OBS

Le changement de fréquence peut s'effectuer deux et même trois fois.

Key term(s)
  • récepteur super-hétérodyne
  • super-hétérodyne

Spanish

Campo(s) temático(s)
  • Radiotransmisión y radiorrecepción
  • Guía radárica, radioguía y radiogoniometría
DEF

Receptor en el que las señales de radiofrecuencia entrantes, normalmente se amplifican en un preamplificador y entonces se alimentan en un mezclador para la conversión de una frecuencia portadora fija y más baja (llamada frecuencia intermedia).

Save record 2

Record 3 2016-02-23

English

Subject field(s)
  • Satellite Telecommunications
DEF

A test loop translator(TLT) is a type of radio frequency converter or heterodyne, used to translate between uplink and downlink segments(generally in the same band), to allow for "loop-back" testing and calibration of a satellite ground station without the need to interface with the satellite.

French

Domaine(s)
  • Télécommunications par satellite

Spanish

Save record 3

Record 4 2016-02-23

English

Subject field(s)
  • Satellite Telecommunications
OBS

A test loop translator(TLT) is a type of radio frequency converter or heterodyne, used to translate between uplink and downlink segments(generally in the same band), to allow for "loop-back" testing and calibration of a satellite ground station without the need to interface with the satellite.

French

Domaine(s)
  • Télécommunications par satellite

Spanish

Save record 4

Record 5 2008-05-23

English

Subject field(s)
  • Telecommunications
DEF

The frequency of the beat note obtained by beating one signal against another.

French

Domaine(s)
  • Télécommunications

Spanish

Campo(s) temático(s)
  • Telecomunicaciones
Save record 5

Record 6 2007-09-25

English

Subject field(s)
  • Telecommunications

French

Domaine(s)
  • Télécommunications

Spanish

Campo(s) temático(s)
  • Telecomunicaciones
CONT

El frecuencímetro heterodino es un generador de oscilaciones de frecuencia conocida. Bastará hacer coincidir su frecuencia con la de las oscilaciones que se han de medir para determinar la magnitud de las mismas.

Save record 6

Record 7 1975-03-11

English

Subject field(s)
  • Electrical Convertors
DEF

converter : in heterodyne reception, a converter is the portion of the receiver which converts the incoming signal to the intermediate frequency.

French

Domaine(s)
  • Convertisseurs (Électrotechnique)
DEF

convertisseur : dispositif transformant un courant en un courant d'un autre genre.

Spanish

Save record 7

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