Tel: 886.909 602 109 Email: [email protected]
17
Input the name on the interface and then press [OK] to save.
Fig. 3.5 File Saving
3.2 How to Improve the Accuracy of Frequency Measurement
This section will take the measurement of external 1GHz signal as an instance to describe how to use the marker
count function to improve the frequency reading accuracy for measurement. The test steps are as follows:
a)
Reset the spectrum analyzer
Press
【
Preset
】
key to restart the spectrum analyzer.
b)
Set the center frequency
Set the frequency of the external signal generator to 1GHz. Set the center frequency of the Spectrum Analyzer.
Press
【
Freq
】
, select [Center Freq] and set the center frequency as 1GHz. Or you can directly input [1] [GHz]
using the keys in numerical keypad on the front panel. These numerical keys can be used for setting the exact
value of current parameter. The value of center frequency can also be changed by the step key and knob.
c)
Enable the marker count function
Press
【
Marker
】
to activate the marker. Press
【
Marker
】
→[Counter Mkr Off On] to enable the marker count
function. Press
【
Peak
】
to position the marker on the signal frequency. Observe the reading of the marker and
the resolution of frequency can reach 1Hz. As shown in Fig.3.6.
