Live support chatModulation - Volume I - Amplitude Modulation
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Overview
In Modulation - Volume I - Amplitude Modulation, you'll learn ...
- Sine wave characteristics and how they can be acted upon
- What is heterodyning and how it is applied to modulation
- How "on-off" keying of a continuous wave (CW) carrier frequency was used in the early days of electrical communications and is still in use today to modulate a carrier
- How modulation of an electric current by complex waveforms, the demodulation of the resulting wave, and recovery of the original waveform is used to transmit the human voice
- How a typical plate modulator operates
Overview
Preview a portion of this course before purchasing it.
Credit: 5 PDH
Length: 82 pages
This 5-hour course covers the process of amplitude modulation. The course covers sine wave generation, heterodyning, CW modulation, and the various circuits used to modulate RF signals.
Learning Objectives
Upon completion of this course, participants will be able to:
- Describe the generation of a sine wave and its three characteristics: amplitude, phase, and frequency.
- Explain the process of heterodyning.
- Identify the two primary methods of CW communications keying.
- Describe the use of the radio frequency (RF) spectrum by CW transmissions.
- Compare the advantages and disadvantages of CW transmissions.
- Explain the method of converting sound waves into electrical impulses.
- Analyze the circuit description, operation, advantages, and disadvantages of plate/collector modulating circuits.
- Describe the circuit operation, advantages, and disadvantages of cathode/emitter modulating circuits.
- Compare the advantages and disadvantages of AM communications.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 35 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Board Acceptance
| This course is applicable to professional engineers in: | ||
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More Details
Preview a portion of this course before purchasing it.
Credit: 5 PDH
Length: 82 pages
