Here’s the page we think you wanted. See search results instead:


Contact an Expert

M938x Vector Signal Generator / CW Source Instrument Drivers

For a complete list of all IVI drivers from Keysight, please visit

Driver type: IVI-C (32-bit/64-bit), IVI-COM (32-bit/64-bit), MATLAB (32-bit)

IVI class support: IviDriver 1.0 

Release Date Version Version Description
2016-01-28 Fixed interaction between applications using shared reference or shared synthesizer that resulted in self test errors. Fixed issue introduced in 1.4.405.1 which caused StartPlaybackOn10MHzClock synchronization to fail.

How to Download

  1. Click the Download button.
  2. Select the appropriate executable file.
  3. Choose Run.

How to Install

  • Run the downloaded installer.


  • Does Not Require a License

Supporting Documentation


Installs on:


Operating System

  • Windows 7


Supported Instruments

  • M9380A, M9381A, M9300A

Related Links