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Agilent N9040B, Keysight N9040B, HP N9040B
UXA Series Signal Analyzer, up to 50 GHz

Spectrum Analyzers and Signal Analyzers >> More than 40 GHz >> UXA Series Signal Analyzer, up to 50 GHz
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Manufacturer: Keysight / Agilent / HP
Model: N9040B

Keysight / Agilent N9040B UXA Series Signal Analyzer, up to 50 GHz

Electronic Test and Measurement Equipment

Keysight / Agilent N9040B UXA Series Signal Analyzer, up to 50 GHz Product Datasheet Download Product Datasheet

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Product Overview


The Keysight N9040B UXA is the flagship of the X-Series signal analyzers and is built on proprietary technology. The N9040B provides frequency coverage up to 26.5 GHz (frequency range specified by appropriate option) and can be extended to 1.1 THz using the standard external mixing functionality. The N9040B combines high-quality analysis bandwidth to 510 MHz, full-band real-time analysis (optional) and industry-leading phase noise performance. The UXA also uses a streamlined, touch-driven interface on the large 14.1” display that simplifies measurement setup through the familiar X-Series menu structure.. With its wider, deeper views of elusive and wideband signals, the UXA enables you to take your designs further in aerospace, defense, commercial communications and more.

The Keysight N9040B UXA signal analyzer is a member of the X-Series spectrum analyzers, which is an evolutionary approach to signal analysis that spans instrumentation, measurements and software. It gives you the flexibility to satisfy your business and technical requirements across multiple products and programs—now and in the future.

Features and specifications of the Keysight N9040B include:


  • 3 Hz to 8.4, 13.6, or 26.5 GHz; extend frequency to 110 GHz with Keysight smart mixers and up to THz with other vendors' mixers
  • 10 MHz (standard), 25, 40, 255 or 510 MHz analysis bandwidth
  • Full-band real-time spectrum analyzer capabilities with 100% probability of intercept for signal duration as short as 3.84 µs
  • Fast sweep capability (standard); fast power measurements (optional)


  • ±0.19 dB absolute amplitude accuracy
  • >75 dBc spurious free dynamic range, full band
  • -136 dBc/Hz phase noise at 1 GHz carrier, 10 kHz offset
  • -172 dBm displayed average noise level (DANL) with preamplifier and Noise Floor Extension (NFE)

Measurement applications & software

  • N9068C phase noise measurement application
  • Advanced analysis of >75 signal formats; 89600 VSA software runs inside the UXA
  • Low noise path, external mixing, microwave preselector bypass, wideband IF output and enhanced display package (all standard)
  • Keysight's PowerSuite one-button power measurements (standard)

Automation & communication interface

  • Streamlined, 14.1 “ touch-driven interface
  • LXI compliant, SCPI and IVI-COM
  • USB 3.0, USB 2.0, 1000Base-T LAN, GPIB
  • Open Windows 7 operating system (standard)


View a simlar unit: Keysight / Agilent N9041B UXA Signal Analyzer

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