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Jitter Spectrum and Phase Noise Analysis FAQs
- What is required to make a Jitter Spectrum/Phase Noise measurement using the 86100C DCA-J?
Refer to the Operating Guide for more detail, but you'll need an 86100C, 83496B (or upgraded 83496A) and an interface from a PC to the GPIB port of the 86100C. - Can I install the phase noise spreadsheet and Microsoft® Excel on the DCAj and run the application?
No. This configuration is not supported. The spreadsheet must be run on a separate PC. - Do I need to have the 86100C-200 Enhanced Jitter Analysis Software installed for the spreadsheet to work? How about 86100C-001 Enhanced Trigger, 13 GHz BW?
The jitter spreadsheet can operate without the option 200 jitter software or enhanced trigger option. - Can I use my 86100A or 86100B for the phase noise application after I installed the latest version of DCA firmware?
No. The 83496B will only operate with 86100C mainframes. - What loop bandwidth should I use for my 83496B based phase noise measurement?
For the most accurate Jitter Spectrum/Phase Noise measurement, use the minimum loop bandwidth that will still maintain a LOCK condition on the 83496B Clock Recovery Module.
For example, if your input signal is 2.5Gb/s and you find that the 83496B will lock while using loop bandwidths at both 100kHz and 1MHz, use the 100kHz loop bandwidth setting. This configures the instrument for maximum phase detector output signal and results in best measurement sensitivity and accuracy. - Can the 83496B Phase Noise Application be used to measure more than 1UI of periodic jitter (PJ)?
Yes, the 83496B is able to track signals that have more than 1UI of jitter. For example, typical spread spectrum signals have over 40UI of modulation and the instrument is able to track, measure, and display these results. - I've clicked on the "Setup Clock Recovery" button and the clock recovery module locked as expected. However, when I click the “Measure Jitter” button I get a Run-time error '1004' with the message that ATPVBAEN.XLA could not be found.
You must install the Add-Ins Analysis ToolPak and Analysis ToolPak VBA before making jitter measurements. - I've moved the main spreadsheet file to my desktop and now I can't save settings. Why?
You must keep the folder structures in place as it was installed. The main spreadsheet file, product note, Measurement Results, and Measurement Setups folders must all reside in the same folder.