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TITLE COURSE

Use of the Spectrum Analyzer

DESCRIPTION

Optimize the use of the spectrum analyzer in the measurement of electromagnetic fields, examining ways to reduce the errors that the measure involves.

HOW THE COURSE IS STRUCTURED

Theoretical session with projection slides. Practical session. Questionnaire for the evaluation of learning.

COURSE DURATION

1 day

PROGRAM

Introduction to spectral analysis

  • Frequency domain
  • Decibels
  • Fourier theory
    • Periodic signals and Fourier series
    • Aperiodic signals and Fourier Transform
    • The discrete Fourier Transform
    • Fast Fourier Transform

Types of spectrum analyzer

  • Introduction: Analog and Digital Spectrum Analyzers
  • Analog Spectrum Analyzer
    • Real Time
    • Sweep Tuned
      • Superheterodyne
      • The block diagram Circuit elements and their characteristics
      • The image frequency
      • The main controls (span, resolution bandwidth, video bandwidth, sweep time)
    • The discrete Fourier Transform
    • Fast Fourier Transform
  • Digital Spectrum Analyzer
    • Block diagram of Vectrum Spectrum Analyzer (VSA)
    • Sampling theorem outline - Aliasing
    • Decimation and Windowing

Specifications of the Spectrum Analyzer datasheet

  • Frequency range
  • Resolution (form factor, residual frequency modulation, phase noise)
  • Sensibility
  • Frequency accuracy
  • Amplitude accuracy
  • Distorsion
  • Dynamic range

Environmental measurements with the Spectrum Analyzer

  • Narrowband measurement chain
  • CEI 211-7 and 211-10 settings
  • AM modulated signals
  • FM modulated signals
  • The analog TV signal
  • GSM signal
    • Extrapolation procedures
  • UMTS signal
    • Channel Power option
    • Extrapolation procedure

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