ASK Modulation & Demodulation

Block Diagram for Baseband ASK Signal Generation
Students will generate an ASK signal using the switching method, recover the data using a simple envelope detector, and observe its distortion
by Emona Tims
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This is lab 16 of 20 in the course, Communications Principles.

LEARNING OBJECTIVES


After completing this lab, students will be able to:
  1. Generate a real ASK signal at both baseband and bandpass
  2. Describe the concept of amplitude modulation with digital data
  3. Recover the data from an ASK signal using envelope detection
  4. Explain the use of a comparator with bandlimited data signals in ASK
  5. Recognise the frequency spectrum of ASK signals
 

REQUIRED SKILLS

 
  • Basic proficiency using ELVIS III Instruments
  • Basic Circuits & Signals & Systems Knowledge
  • Introductory Communications Knowledge

NI ELVIS III

Engineering laboratory solution for project-based learning that combines instrumentation and embedded design with a web-driven experience, delivering a greater understanding of engineering fundamentals and system design.

Emona Communications Board for NI ELVIS III

Application board for the NI ELVIS III developed to teach introductory digital and analog communications topics using a completely hands-on approach.

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