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Subel. G
6 questions
Subelement G

Transmitters

Section 51

Amplifiers-1

What class of amplifier is distinguished by the presence of output throughout the entire signal cycle and the input never goes into the cutoff region?

  • Correct Answer
    Class A.
  • Class B.
  • Class C.
  • Class D.

What class of amplifier is distinguished by the presence of output throughout the entire signal cycle and the input never goes into the cutoff region?

Class A.

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

Also, see the Tutorials Point site for the Class A Power Amplifiers

Please see the Sound-au site for the article Simple Class-A Amplifier

And, see Electronics Tutorials for the article Class A Amplifier, and also the article about Amplifier Classes

Last edited by markadlerdallas. Register to edit

Tags: none

What is the distinguishing feature of a Class A amplifier?

  • Output for less than 180 degrees of the signal cycle.
  • Correct Answer
    Output for the entire 360 degrees of the signal cycle.
  • Output for more than 180 degrees and less than 360 degrees of the signal cycle.
  • Output for exactly 180 degrees of the input signal cycle.

What is the distinguishing feature of a Class A amplifier?

Output for the entire 360 degrees of the signal cycle.

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

Also, see the Tutorials Point site for the Class A Power Amplifiers

Please see the Sound-au site for the article Simple Class-A Amplifier

And, see Electronics Tutorials for the article Class A Amplifier and also the article about Amplifier Classes

Last edited by markadlerdallas. Register to edit

Tags: none

Which class of amplifier has the highest linearity and least distortion?

  • Correct Answer
    Class A.
  • Class B.
  • Class C.
  • Class AB.

Which class of amplifier has the highest linearity and least distortion?

Class A.

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

Also, see the Tutorials Point site for the Class A Power Amplifiers

Please see the Sound-au site for the article Simple Class-A Amplifier

And, see Electronics Tutorials for the article Class A Amplifier and the article about Amplifier Classes

Last edited by markadlerdallas. Register to edit

Tags: none

Which class of amplifier provides the highest efficiency?

  • Class A.
  • Class B.
  • Correct Answer
    Class C.
  • Class AB.

Which class of amplifier provides the highest efficiency?

Class C.

These amplifiers have transistors to handle about half of the input signal, which is about 180°, most of the time working from about 80° to 120°.

HINT: Efficienc"Y" (EfficienCEE) = Class "C"

For more information, please see Electronics Tutorials for the article Amplifier Classes

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

For more information, please see the Electronics Tutorials site for the article Amplifier Classes

See the site Tutorials Point for the article on Class AB and Class C Power Amplifiers

See Electrical Funda blog site for the article Class C Amplifier – Working Principle, Applications, Advantages & Disadvantages

Last edited by jibjaba2. Register to edit

Tags: none

What class of amplifier is distinguished by the bias being set well beyond cutoff?

  • Class A.
  • Correct Answer
    Class C.
  • Class B.
  • Class AB.

What class of amplifier is distinguished by the bias being set well beyond cutoff?

Class C.

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

For more information, please see the Electronics Tutorials site for the article Amplifier Classes

See the site Tutorials Point for the article on Class AB and Class C Power Amplifiers

See Electrical Funda blog site for the article Class C Amplifier – Working Principle, Applications, Advantages & Disadvantages

Last edited by markadlerdallas. Register to edit

Tags: none

Which class of amplifier has an operating angle of more than 180 degrees but less than 360 degrees when driven by a sine wave signal?

  • Class A.
  • Class B.
  • Class C.
  • Correct Answer
    Class AB.

Which class of amplifier has an operating angle of more than 180 degrees but less than 360 degrees when driven by a sine wave signal?

Class AB.

See Wikipedia's article Power amplifier classes

Please see the Electronics Notes site for the article Amplifier Classes: A, B, AB, C, D,

See the BHPhotoVideo site Amplifier Classes Explained

For more information, please see the Electronics Tutorials site for the article Amplifier Classes

See the site Tutorials Point for the article on Class AB and Class C Power Amplifiers

Last edited by markadlerdallas. Register to edit

Tags: none

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