Ceyear 4051 Series, User Manual

Page: 171 / 751

4. Operating Instruction
4.2 Advanced operation guide
157
4.2.15.2 Measurement Example
This section mainly describes how to carry out harmonic distortion measurements of signals.
Step 1. Set signal source as below:
 Set frequency on signal source to 1.960GHz.
 Set signal amplitude to -10dBm.
Step 2. Connect the radio frequency output port of the signal source to that of the analyzer. As shown in
Fig. 4.76:
Fig. 4.76 Connection Settings of Harmonic Distortion Measurements
Step 3. set the analyzer as spectrum analysis mode and activate swept analysis mode:
 Press
【
Mode
】
and [Spectrum].
Step 4. Resetting of analyzer
 Press
【
Preset
】
key.
Step 5. Set the frequency of the analyzer as 1.960 GHz:
 Press 【 Frequency 】 , [Center Freq].
Set the center frequency of the analyzer and input 1.960 GHz.
Step 6. Initialize harmonic distortion measurements, by default, automatically search for the
fundamental wave and measure harmonics.
 Press
【
Measure
】
[More 1/2
▶
], [Harmonics].
Set the measurement function as harmonic distortion measurements.
 The results of harmonic distortion measurements are shown in Fig. 4.77. Text window displays the
absolute power value of the fundamental wave and the relative value of harmonic to fundamental
frequency, and gives the total harmonic distortion value.
Step 7. Set harmonic parameters manually, the user can edit the list to:

Press 【 Meas Setup 】 , [Harmonics Table ON OFF].
Set up harmonic edit list to be open, turn on harmonics edit list.
 Press [Harmonics Table Config ▶ ].
Users can select and set measurement parameters like the frequency, resolution bandwidth as required.