Rf communication and signals experiments – GW Instek GRF-1300A User Manual

Page 43

RF Communication and Signals Experiments

Experiment
principles

Set the waveform on the GRF-1300A and measure the

harmonic spectrum. Switch to a different waveform and
measure the harmonic spectrum. Compare the differences. The
relationship between the time domain and the frequency domain
has already been introduced in chapter 3. We won’t repeat it
again here.

Experiment
contents

We will become familiar with using a spectrum analyzer

and how to use the GRF-1300A by analyzing the spectrum of a
simple triangle and square wave signal.

Experiment
steps

1. Turn on the GRF-1300A and the GSP-730.

2. Set the GRF-1300A baseband as follows:

• Waveform: triangle

• Frequency: 1MHz.
• Turn the input amplitude knob clockwise to the end.

Step1

Step2

Step3

3. Connect the baseband signal from the output port on the

GRF-1300A to the input terminal on GSP-730 with the RF
cable.

4. Set the GSP-730 as follows:

• Center frequency: 15MHz

• Start frequency: 0kHz,
• Stop frequency: 30MHz, Span: 30MHz