FSK

Typical FSK Signal
For this experiment students will implement the VCO method of generating an FSK signal and then recover the data by using a filter to pick-out one of the sinewaves in the FSK signal and demodulate it using an envelope detector. Finally, students will observe the demodulated FSK signal’s distortion and use a comparator to restore the data.
by Emona Tims
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This is lab 10 of 22 in the course, Communications Principles.

LEARNING OBJECTIVES


After completing this lab, students will be able to:
  1. Generate a real FSK signal
  2. Describe the concepts of mark and space in the signal
  3. Recover the data from an FSK signal using envelope detection
  4. Explain the use of a comparator with bandlimited data signals in FSK
 

REQUIRED SKILLS

 
  • Basic proficiency using ELVIS III Instruments
  • Basic Circuits 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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