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E4990A Impedance Analyzer Firmware Revision History
Rev. 20141210


Note:
The purpose of this document is to provide an overview of important changes that could affect a majority
of customers. If you have any concerns about a specific issue, contact your local Agilent representative.

Revision A.01.02 ... Initial Release

Revision A.01.03 ... Released August 2014
Bug fixes: Crystal measurement data is different from 4294A.

Revision A.02.00 ... Released November 2014
Keysight rebranding
Firmware update procedure is changed.
Network setup menu is changed.

Bug fixes:
Constant current mode in DC bias function cannot converge in a case.
DC overload error happens when using constant current mode under segment sweep setting.
DC bias output doesn't turn off when constant mode is ON, even DC bias output status is
changed to "OFF".
The notation of Start/Stop or Center/Span does not switch in bias sweep with current.
Cal/Compen point setting should be saved by Save Channel with Cal Only.
Error 54 is not recorded on error queue.