Please note that you DO NOT need to return your E4990A to Keysight service center for updating the firmware. The E4990A firmware upgrade can easily be performed on your own with the information and tools available on this Web page.

是德建議使用最新的版本，其中包括最新的漏洞修復與安全覆蓋
發佈日期 版本 版本說明
2025-10-23 B.06.01 E4990A Firmware Revision B.06.01
發佈日期 版本
2025-10-23 B.06.01
Version Description
E4990A Firmware Revision B.06.01

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 11
  • Windows 10

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7
  • Windows 10

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7
  • Windows 10

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7
  • Windows 10

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7
  • Windows 10

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • Exit the E4990A application by pressing SYSTEM > Service Menu > Exit.
    Double click the E4990A.exe file.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

如何下載

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

如何安裝

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

授權

  • Does Not Require a License

支援文件

Download

Installs on: Instrument

作業系統

  • Windows 7

參加條件

  • No specific prerequisites.

支援的儀器

  • E4990A

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