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E443xB ESG Signal Generator Option UN8 or UN8/UN9, Software Patch


The Baseband Generator board with part number E4400-60070, serial number starting with 300, and version number A0110 contains wrong header information. This condition generates I/Q offset problems. To check if your E443xB ESG-D has the defect, access the installed board information on the display of the ESG. Using the front panel press Utility > Instrument Information > Installed Board Information.


To remedy the problem, download and run the self extracting executable Software Patch "BBG_rev.exe" available below.

Release Date Version Version Description
2004-02-20 1.0 Self-extracting executable Software Patch.

How to Download

  1. Click the Download button
  2. Save the file to your PC

How to Install

  1. Activate the executable file
  2. Follow the installation prompts


  • Does Not Require a License

Installs on:



  • None

Supported Instruments

  • E4430B, E4431B, E4432B, E4433B, E4434B, E4435B, E4436B, E4437B with Option UN8 or UN8 UN9.