Keysight
The Keysight N9021B is an MXA X-Series signal analyzer. The Keysight N9021B has a maximum frequency of 50 GHz. The Keysight N9021B has a maximum real-time bandwidth of 510 MHz.[1]
The Keysight N9021B is an X-Series signal analyzer in the MXA family. The N9021B has a maximum frequency of 50 GHz. The N9021B is used with mixers to extend analysis to 1.1 THz.[1]
The N9021B MXA has optional bandwidth options of 255 MHz and 510 MHz. The N9021B MXA has a displayed average noise level of minus 172 dBm. The N9021B MXA has phase noise of minus 130 dBc per hertz at 1 GHz with a 10 kHz offset. The N9021B MXA has a maximum real-time bandwidth of 510 MHz.[1]
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The N9021B MXA has a maximum frequency of 50 GHz.[1]
The N9021B MXA supports mixer-based analysis to 1.1 THz.[1]
The N9021B MXA has optional bandwidth options of 255 MHz and 510 MHz.[1]
The N9021B MXA has phase noise of minus 130 dBc per hertz at 1 GHz with a 10 kHz offset.[1]
The following facts about the N9021B are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the N9021B are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the N9021B are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the N9021B are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the N9021B are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the N9021B is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 5, 2026.