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Introduction to Amplifiers

COURSE NO: E03-018
COURSE PROVIDER: Jeffrey Cwalinski, P.E.
Introduction to Amplifiers
Course Highlights

This online engineering PDH course presents an introduction to amplifiers for those who are unfamiliar with this subject.  It provides the basic concepts of amplifiers using the Bipolar Junction Transistor. These types of amplifiers have been used for decades, are well understood, and provide a good foundation for further studies.


Amplifiers are used in all types of electronic equipment.  As an example, in consumer electronics, the Blue-Ray disc player contains amplifiers for audio and video signals. Also, radios contain amplifiers to amplify the received radio signal, as well as, audio amplifiers to drive the speaker to produce audible sound.  Amplifiers are also used in instrumentation and control equipment, and medical equipment to amplify the signals from transducers which are used to sense physical parameters.


This 3 PDH online course is applicable to engineers who are unfamiliar with amplifiers and need an introduction to the basic concepts.
Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Knowing the definition and uses of amplification
  • Understanding the difference between power amplifier and voltage amplifier
  • Understanding impedance characteristics of the different amplifier configurations
  • Classifying amplifier uses as audio, radio frequency, and video
  • Knowing the classes of operation based on cyclic current flow, their advantages and disadvantages
  • Understanding the methods of coupling amplifiers together, their advantages and disadvantages
  • Understanding how amplification results from coupling amplifiers in series
  • Understanding impedance matching for maximum power transfer or maximum voltage output
  • Learning about the types and advantages of feedback
  • Learning about the use of a phase splitter
Course Document

In this professional engineering CEU course, you need to review NAVEDTRA 14180, Module 8, Chapter 1, "Amplifiers".

To view, print and study the course document, please click on the following link(s):
Introduction to Amplifiers (385 KB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of twenty questions (20) questions to earn 3 PDH credits. The quiz will be based on Module 8, Chapter 1 of this NAVEDTRA publication.


The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you may print your Certificate of Completion after we receive your payment.) For your convenience, we will also email you your Certificate of Completion. Also, you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: