Description
Some measurements punish a weak analyzer. The Keysight N9030B signal analyzer is a PXA X-Series model that tunes from 2 Hz up to 50 GHz, depending on options. It targets wide, fast and noisy signals, so it suits demanding R&D work. Lost in HCM lists it for rental and sale, with service on request.

Numbers worth knowing
| Frequency range | 2 Hz to 50 GHz, option dependent |
|---|---|
| Maximum analysis bandwidth | 510 MHz |
| Noise floor (DANL) at 1 GHz | Down to -166 dBm, configured performance |
| Phase noise at 1 GHz, 10 kHz offset | Down to -136 dBc/Hz |
| Real-time analysis | Available as an option |
| Gap-free streaming bandwidth | Up to 255 MHz |
Installed modules and options change these figures. So the serial-number configuration in your quote decides what you actually receive.
Seeing a weak signal beside a strong carrier
Dynamic range matters when a small spur sits next to a large carrier. This analyzer pairs a low noise floor with Noise Floor Extension, so faint components stay visible. Phase noise also matters, because it can bury signals close to the carrier. Therefore check the figure at your own offset, not only at 10 kHz.
Wide signals and short events
The 510 MHz analysis bandwidth can capture modulated, pulsed and agile signals in one pass. However, that figure needs the right option. Real-time analysis is a separate option, and so is gap-free streaming. So name both in your request if you chase intermittent events.
Typical jobs for the Keysight N9030B signal analyzer
- Characterizing 5G, satellite and broadband wireless links.
- Studying radar and electronic-warfare signals.
- Verifying amplifiers, transmitters and converters.
- Monitoring spectrum and running automated R&D test sequences.
Teams often weigh it against the Rohde & Schwarz FSW and the Tektronix RSA7100B. Compare frequency option, analysis bandwidth, noise floor and phase noise on your own test plan.
Rent for a project or buy for the lab
A project with a fixed end date suits a rental of the Keysight N9030B signal analyzer. For example, a radar prototype may need 50 GHz coverage for only a few weeks. A lab with daily RF work may prefer to own one. Please request a quote from Lost in HCM with your frequency options, bandwidth, real-time needs, delivery site and dates. Browse the wider spectrum and signal analyzers range before you decide. If you want a second opinion on options, contact SMK Vietnam. The Keysight website holds the official data.
Keysight N9030B signal analyzer questions
Does every unit reach 50 GHz?
No. The top end depends on installed options, so confirm the frequency option in your quote.
Is real-time analysis built in?
It is an option. Ask for it by name if you need to catch transient events.
Which details belong in my request?
Send the frequency range, bandwidth, preamplifier, real-time and streaming needs, plus your dates and delivery site.
















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