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YSA-U090 Spectrum Analyzer

9 GHz USB Real-Time Spectrum Analyzer - Lab-Grade Capture in a USB Type-C Powered Module

XGY YSA-U090 is XGY's benchmark-grade USB real-time spectrum analyzer for portable 9 kHz to 9 GHz RF capture. It supports up to 100 MHz analysis bandwidth and reaches -168 dBm/Hz DANL with the preamp on.

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YSA-U090 Spectrum Analyzer

Core Specifications

Key technical parameters for the YSA-U090 Spectrum Analyzer.

Frequency

9 kHz to 9 GHz

Real-time BW

50 / 100 MHz

DANL

-168 dBm/Hz

Weight

< 420g

Integration

Windows/Linux host control support

Connectivity

USB 3.0 Type-C (Plug-and-play)

Application fit

Match the product configuration to the engineering workflow before quotation.

Use the application fit, workflow and RFQ sections below to turn a product page into a practical engineering shortlist.

Application fit

Wireless Monitoring

YSA-U090 Spectrum Analyzer should be scoped around wireless monitoring, with voltage, power, interface, protection and acceptance requirements confirmed before quotation.

9 kHz to 9 GHz-168 dBm/Hz100% intercept

Application fit

Interference Hunting

YSA-U090 Spectrum Analyzer should be scoped around interference hunting, with voltage, power, interface, protection and acceptance requirements confirmed before quotation.

-168 dBm/Hz100% interceptCompact USB module

Application fit

Automated Test Systems

YSA-U090 Spectrum Analyzer should be scoped around automated test systems, with voltage, power, interface, protection and acceptance requirements confirmed before quotation.

100% interceptCompact USB module9 kHz to 9 GHz

Application fit

Scientific Research And Education

YSA-U090 Spectrum Analyzer should be scoped around scientific research and education, with voltage, power, interface, protection and acceptance requirements confirmed before quotation.

Compact USB module9 kHz to 9 GHzUSB 3.0 Type-C

Ultra-Portable Laboratory Performance

The YSA-U090 is XGY’s benchmark-grade USB real-time spectrum analyzer. Offering laboratory-grade RF performance in an ultra-portable form factor, it delivers precise signal detection from 9 kHz to 9 GHz with a remarkable DANL of -168 dBm/Hz.

Cross-Platform Compatibility

Compatible with Windows and Linux (Ubuntu/Debian) with standard host integration packages for C/C++ and Python control.

GNSS Integration

External GNSS module support is available for positioning workflows and signal mapping.

Typical Applications

  • Wireless Monitoring - spectrum clearing and surveillance
  • Interference Hunting - locate elusive signals in the field
  • Education & Research - affordable lab-grade analysis

Analysis & Control Modes

  • Real-Time Analysis: spectrum probability density, real-time spectrogram, and record/playback tools
  • Host Integration: Standard C/C++ and Python control packages for Windows and Linux environments

Key Advantages

  • Performance -168 dBm/Hz DANL (Typ.)
  • Connectivity USB 3.0 Type-C (Plug-and-play)
  • Analysis 100% POI for transient signals, down to 0.5 us in high-speed mode.
  • Integration Windows/Linux host control support

Performance Highlights

  • Frequency 9 kHz to 9 GHz
  • DANL -168 dBm/Hz
  • POI 100% intercept
  • Form Factor Compact USB module

Looking for a custom spectrum analyzer solution?

XGY Tek specializes in tailoring instrument hardware, control interfaces, and measurement workflows to meet specific aerospace, defense, and laboratory requirements.

Get a Quote

Included Control Interface

YSA-U090 host support is listed for Windows 7/8/10/11 and Linux distributions including Debian and Ubuntu. The datasheet lists a rich API SDK for C/C++ and Python, plus plug-and-play USB connectivity.

Standard Spectrum Analysis Mode

Standard Spectrum Analysis Mode

Provides comprehensive measurements including full-span sweep, channel power, OBW, and ACPR. Supports spectrum recording and playback.

Power Detection Analysis Mode

Power Detection Analysis Mode

Enables detection and analysis of time-domain signals within the analysis bandwidth. Ideal for power-versus-time pulse measurements.

Harmonic Analysis Mode

Harmonic Analysis Mode

Supports detection and measurement of up to 10 harmonic components, evaluating harmonic peaks, channel power, and total distortion.

GNSS Positioning Mode

GNSS Positioning Mode

Uses built-in GNSS positioning, external GNSS module support, and real-time positioning display for location-aware spectrum workflows.

Windows / Linux OS SupportC/C++ API SDKPython API SDKUSB 3.0 Type-CPlug-and-play USB

Technical Resources

Download Datasheet

PDF technical specifications

Get a Quote

Pre-filled product inquiry

Fit check

Use this product when the requirement matches the published envelope.

Strong fit

  • Projects centred on wireless monitoring
  • Projects centred on interference hunting
  • Projects centred on automated test systems
  • Requirements that benefit from Performance and Connectivity

Review alternatives

  • Requirements outside the published voltage, current, power or frequency envelope
  • Projects without a defined DUT, site power, interface or acceptance method
  • Simple bench work where a lower-cost standard supply would meet the requirement
  • RFQs that cannot yet specify protection, cooling, cabling or control boundaries

Quote-stage checklist

The fastest way to make the enquiry useful.

Voltage rangeCurrent / powerOperating modeDUT typeLoad profileControl interfaceProtection needsCooling / installationCable / fixture planCompliance workflowLead timeFAT/SAT evidence

Add the operating profile, safety boundary, control interface and acceptance evidence expected by the buyer before requesting final configuration and lead time.

Quote workflow

Make the test plan visible before the quote is final.

A useful RFQ is a short engineering model: operating envelope, DUT workflow, control boundary and acceptance evidence.

Send RFQ
01

Confirm the electrical envelope

Ratings map

Start with voltage, current, power, frequency, operating mode and site power limits before selecting a model.

02

Define the DUT workflow

Use-case brief

Map the equipment to wireless monitoring; interference hunting; automated test systems and record any transient, cycling, compliance or automation needs.

03

Lock the acceptance package

Quote evidence

Confirm USB 3.0 Type-C, protection requirements, data logging, remote control and the FAT/SAT evidence needed by the buyer.

Frequently Asked Questions

What should buyers know about YSA-U090 Spectrum Analyzer?

This product page summarises YSA-U090 Spectrum Analyzer within XGY Tek's Spectrum Analyzers catalogue. Review the published specifications and application notes to determine whether the product matches the intended workflow.

Which published specifications should buyers compare for YSA-U090 Spectrum Analyzer?

Start with the values highlighted on this page: Frequency: 9 kHz to 9 GHz; Real-time BW: 50 / 100 MHz; DANL: -168 dBm/Hz; Phase Noise: -112 dBc/Hz @ 10kHz Offset (Typ.). Check whichever selection criteria apply, such as measurement or operating range, resolution, accuracy, sensitivity, interfaces, software compatibility, environmental limits, accessories, and any stated test conditions. Not every criterion applies to every product.

How should YSA-U090 Spectrum Analyzer be matched to an application?

Published applications include wireless monitoring; interference hunting; automated test systems; scientific research and education. Use the application notes as selection guidance, then confirm the required operating conditions, interfaces, software compatibility, and accessories against the published specifications.

When should buyers compare another option in Spectrum Analyzers?

Compare alternatives when the published measurement or operating range, resolution, accuracy, sensitivity, interfaces, software compatibility, environmental limits, or available accessories do not match the intended workflow. Confirm any critical value together with its stated conditions before selecting a configuration.

How can I request a quote or datasheet for YSA-U090 Spectrum Analyzer?

Use the Get a Quote form to share the application, required configuration, interfaces, accessories, documentation needs, and timing. XGY Tek will review the request before confirming a suitable configuration. A downloadable datasheet is linked from the product page.Get a Quote

What support information is available for YSA-U090 Spectrum Analyzer?

Support scope is confirmed during quotation. Ask about commissioning, software integration, calibration documentation, acceptance requirements, training, accessories, spares, and service arrangements relevant to the application.About XGY TekWhere to Buy

Looking for a custom spectrum analyzer solution?

XGY Tek specializes in tailoring instrument hardware, control interfaces, and measurement workflows to meet specific aerospace, defense, and laboratory requirements.