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Archive for December, 2020

DSA-815 License Activation

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
The Rigol DSA-815 Spectrum Analyser has a number of optional features that can be activated by obtaining an activation license.Currently, the advanced measurement kit (DSA8-AMK), VSWR (DSA8-VSWR), and EMI Toolkit (DSA8-EMI) are available.First, obtain the license key from your local Rigol representative....

Can I use the tracking generator on a DSA as a fixed RF source?

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
Many spectrum analysers, like the Rigol DSA800 series, have tracking generator options available. The tracking generator is an RF source that follows the frequency sweep settings of the spectrum analyser.  For example, if you configure a spectrum analyser to sweep from 100 to 200MHz, and enable the tracking generator, the output of the generator would output...

DSA Ethernet connectivity troubleshooting

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
Communicating over LAN to the DSA series is straightforward. Here are some things to try if you are having difficulty:1.    Make sure Ethernet cable is connected properly and that the switch/hubs in the network configuration are operating properly.o    The green LED on the bac...

How to enable the log frequency scale of the DSA815

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
Starting at firmware revision 00.01.12, the DSA815 spectrum analyser can display the frequency scale in Log mode. Press SPAN and set X Scale to Log ...

How do I save a user setup with a DSA800?

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
To save a setup: 1)    Insert USB stick into the USB port on the front panel  NOTE: The format of the USB stick must be FAT32  2)    Press STORAGE > Set BROWSER to DIR. You can press the butt...

How can I optimize the Peak scan measurements on a DSA spectrum analyser?

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
Spectrum analysers are extremely helpful tools for visualising signals in frequency space. This note will describe how to use settings to minimize error when performing peak measurements using a Rigol DSA Spectrum analyser.Radio Frequency signals, especially continuous wave (CW) signals, have a finite frequency width.  ...

Using Excel and VBA with DSA800 spectrum Analysers

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
Microsoft Excel and Visual Basic for Applications (VBA) is a great way for engineers who need to analyse and archive data from their instrument to access the data without deep programming skills.With this in mind, we have created VBA examples for some of our instruments including this one for Spectrum Analyzers including...

NRSC AM Measurements using a DSA

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
The Rigol DSA815 Spectrum Analyser has a built in Limit Line test that can be a convenient way to measure and compare spectral power against specific masks used for various signal types. One common test is NRSC Amplitude Modulation (AM) test. In this example, we are going to use the Pass/Fail mask to evaluate an AM Channel vs. limits set up by the National R...

How do I measure FM Deviation with a DSA?

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
General purpose spectrum analysers like the Rigol DSA series can be used to test the deviation of an FM signal. In this example, we are going to measure the FM deviation of a 10MHz FM signal with a DSA815. This is Rigol’s 1.5GHz spectrum analyser. NOTE: We are starting from Fact...

What is the fastest sweep time in Zero Span mode with a Spectrum Analyser?

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
The Rigol DSA815 Spectrum analyser features a zero span mode that can be helpful in observing modulated signals. In swept mode, the detector of the analyser is sweeping across a span of frequencies at a predefined rate. The display then shows the amplitude vs. frequency of that swept scan.  In zero span mode, the detect...

How to use UltraSigma to retrieve trace data from a DSA800

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
1.    Download and install UltraSigma software  2.    Physically connect instrument to LAN network and get IP address. You can check the IP address by pressing SYSTEM > IO SETTING > LAN  ...

How to Load an RSA3000 License Option

Posted on: December 16th, 2020 by Doug Lovell
16/12/2020
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