8821Q Firmware Update History
Listed below is the history of updates available for the 8821Q Instrument Firmware.
For assistance with any installation, please call tech support at 1-800-344-2412.
November 30, 2007
- Fixed: 16QAM low MER measurement and noisy Tracking Generator response. Removed lower case alpha character <α> from revision number. This character signified a test release.
- Software v2.3.3/Firmware v1.3.7
August 23, 2007
- Fixed lock/unlock indication in constellation and QAM statistic measurement.
- Fixed signal degradation occuring in QAM statistic measurement tests beyond fifteen minute duration.
- Fixed QAM statistic measurement tests randomly timing out.
- Improved detection time for QAM statistic measurements.
- Software: 2.3.5 / Firmware: 1.3.5
July 16, 2007
- Fixed the BER testing bug, fixed the Equalizer Frequency Response Measurement bug
- Software: 2.3.4 / Firmware: 1.3.4
June 28, 2007
- Fixed fixed the BER testing bug.
- Software: 2.3.3 / Firmware: 1.3.3
June 18, 2007
- Fixed the BER testing method.
- Software: 2.3.2 / Firmware: 1.3.2
April 24, 2007
- Fixed the DP/DG testing bug.
- Software: 2.3.1 / Firmware: 1.3.1
April 12, 2007
- Fixed the CLDI testing bug, fixed the FM offset bug (103 FM Deviation has 7 kHz offset on CW Signal).
- Software: 2.2.9 / Firmware: 1.2.8
January 12, 2007
- Fixed system measurement speed bug.
- Software: 2.2.5 / Firmware: 1.2.5








