TERMIUM Plus®

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POINT MINIMUM VOLTAGE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-11-29

English

Subject field(s)
  • Telecommunications Facilities
  • Telegraphic Networks and Operations
Key term(s)
  • point of minimum voltage
  • minimum voltage point

French

Domaine(s)
  • Installations de télécommunications
  • Réseaux et exploitation télégraphiques
OBS

Lignes de transmission.

OBS

Antennes.

Spanish

Save record 1

Record 2 2009-11-06

English

Subject field(s)
  • Electrical Circuits and Circuit Breakers
  • Electronics
DEF

[The] operation of an active device in which the bias and signal amplitude are so chosen that output current flows throughout each cycle of input signal (assumed sinusoidal), i.e. the angle of flow is 360°.

CONT

Class-A operation. Class-A amplifier operation is characterized by a conduction period of the output current(collector or drain) of 360°. That is, the operating point is chosen to have a constant voltage and current. In effect, the amplifier power is on all the time. This is referred to as linear operation. By operating in the linear region of the transistor's characteristics, the amplified signal suffers minimum distortion. This comes at a price of inefficiency in the amplifier. The theoretical maximum possible efficiency of a class-A amplifier is 50%, but due to linearity requirements of the applications, the efficiency may be no more that 25%.

French

Domaine(s)
  • Circuits électriques et coupe-circuits
  • Électronique

Spanish

Campo(s) temático(s)
  • Circuitos eléctricos e interruptores automáticos
  • Electrónica
Save record 2

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