labAlive - Virtual Communications Lab

Tutorial       Experiment       App

Introduction

Oscilloscope

Spectrum analyzer

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Experiments

FFT illustrated

Spectrum analyzer

OFDM step-by-step

OFDM Guard interval

Multipath fading

QPSK BER

QAM BER

Equivalent baseband

Wi-Fi IEEE 802.11ac

Parabola illustrated

Tutorials

FFT summary

FFT spectrum analyzer

OFDM step-by-step

QPSK BER

QAM BER

Simulation Apps

Wireless Communications

Telecommunications

Digital Modulation

All

Calculator

FFTIFFT

FFTIFFT power invariant

erfc(x) Q(x)

User Manual

Systems & measures

Measure settings

Menu

Keys

Developer

Quick Start

Contact

Spectrum analyzer demo - QPSK

  Start
This introduction shows how to use the spectrum analyzer. Click the green button right above to start the simulation.
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QPSK bandpass spectrum 1 QPSK bandpass spectrum 2

Close the spectrum analyzer window.