RFmx SpecAn Known Issues


This document contains the RFmx SpecAn known issues. Not every issue known to NI appears on this list; it is intended to show the most severe and common issues that can be encountered.

RFmx SpecAn 2.2/2.3/2.3.1/2.4/2.5/3.0/19.0: No known issues.


ID Known Issue

Noise Figure measurement in PXIe-5840 device for IF frequencies less than 120 MHz is invalid.

Workaround: Perform single frequency measurement by using a new initiate for each frequency with each initiate using a unique NF Cal Setup ID.


Reported Version: 19.1    Resolved Version: N/A    Added: 10/21/2019

Glossary of Terms


  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).