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R&S®FSWP26 Phase Noise Analyzer and VCO Tester: High-end analysis of signal sources and components from 1 MHz to 26.5 GHz

Category:

Signal source analyzer


  • Product Description
  • Selection
    • Brand: 罗德与施瓦茨
    • Commodity name: R&S®FSWP26 Phase Noise Analyzer and VCO Tester: High-end analysis of signal sources and components from 1 MHz to 26.5 GHz
    • Brand: Rohde & Schwarz

    Rohde & Schwarz FSWP Phase Noise Analyzer: A Versatile Tool for High-Performance Signal Quality Analysis

    I. Product Positioning and Core Functions

    Rohde & Schwarz FSWP Series Phase Noise Analyzer is a high-end testing equipment integrating phase noise measurement, signal analysis, and spectrum analysis, specifically designed for the characteristic analysis of RF/microwave signal sources. Its core value lies in: Its core value lies in:


     

    • Ultra-wide Frequency Coverage The basic model FSWP26 supports   1 MHz to 26.5 GHz The extended model FSWP50 reaches  50 GHz In combination with an external harmonic mixer, it can cover  500 GHz Meeting the R&D needs of 5G millimeter wave (28 GHz/39 GHz), automotive radar (77 GHz/79 GHz), and terahertz bands (above 100 GHz).
    • Ultra-high Sensitivity Measurement Using real-time cross-correlation technology and an ultra-low noise internal source, the typical phase noise value at   1 GHz carrier @ 10 kHz offset is -172 dBc/Hz This is a 10-20 dB improvement over traditional methods, allowing for precise characterization of the phase stability of low-noise oscillators (such as OCXO, DRO).
    • Integrated Testing Capabilities Built-in ultra-low noise DC source (3 independent outputs), supporting automatic VCO characteristic testing (frequency/power/current changes with voltage), and simultaneous measurement of amplitude noise (AM Noise), simplifying the testing process.

    II. Technical Parameters and Performance Advantages

    Parameters Typical Values Technical Highlights
    Frequency Range 1 MHz to 50 GHz Direct down-conversion covers Ka band (26.5-40 GHz), supports terahertz expansion
    Phase Noise Sensitivity -172 dBc/Hz@1 GHz Cross-correlation technology eliminates random noise interference, improving the measurement accuracy of high-frequency signals
    Real-time Spectrum Analysis Bandwidth 800 MHz Seamlessly captures nanosecond-level transient interference, supporting 5G NR signal integrity verification
    Input Power Range -50 dBm to +10 dBm Adapts to wide dynamic range signal testing, including high-power pulsed radar signals
    VCO DC Source 3 channels (0-20 V) Automatically scans the tuning voltage to generate VCO characteristic curves (such as frequency sensitivity, power fluctuation)


     

    Core Technological Breakthroughs :


     

    1. Cross-correlation Technology Through dual-channel independent down-conversion and a hardware cross-correlation engine, the phase noise sensitivity at 26.5 GHz is improved by more than 10 dB compared to competitors. For example, at a 10 GHz carrier @ 10 kHz offset,   -153 dBc/Hz which is superior to the Keysight E5052B's   -148 dBc/Hz 。
    2. Real-time Spectrum Monitoring Captures the signal spectrum in real-time within an 800 MHz sweep range, supporting burst interference detection (such as non-linear distortion of radar chirp signals).
    3. Dynamic Noise Figure Measurement By changing the excitation power, the FSWP can evaluate the noise performance of the amplifier under actual operating conditions. For example, with 10 dBm excitation, the noise figure of a certain amplifier deteriorates from 1.55 dB to 29.55 dB, verifying large-signal stability.

    III. Typical Application Scenarios

    5G and 6G Communication
    • Millimeter-wave PA Verification Measures the phase noise and EVM (error vector magnitude) of 28 GHz/39 GHz 5G NR signals to verify the linearity of base station power amplifiers, supporting the 3GPP TS 38.141 standard.
    • 6G Terahertz R&D Expands to 110 GHz through the 11970 series harmonic mixer to analyze the phase noise and modulation accuracy of terahertz band signals, assisting in the preliminary research of 6G ultra-high-speed communication systems.
    Automotive Radar and Industrial Detection
    • 77 GHz FMCW Signal Analysis Measures the linearity and phase noise of automotive radar to ensure the target recognition accuracy of ADAS systems and meet the ISO 26262 functional safety requirements.
    • Terahertz Non-destructive Testing In combination with a terahertz mixer, it analyzes the defects of polyethylene pipe hot melt joints to improve the efficiency and accuracy of industrial detection.
    Satellite Communication and Aerospace
    • Ka-band Signal Verification Tests the phase noise and frequency stability of satellite communication equipment to ensure the reliability of the satellite-ground link and support high-throughput satellite (HTS) services.
    • Radar Anti-Jamming Optimization Real-time monitoring of the spectral purity of radar signals, suppressing the impact of stray signals on the navigation system, and improving the anti-jamming capability of military radar.

    IV. Comparison with Similar Products

    Model Frequency Range Phase Noise Sensitivity (10 MHz@1 MHz) Real-time Spectrum Bandwidth  
    Rohde & Schwarz FSWP26 1 MHz to 26.5 GHz -172 dBc/Hz (1 GHz) 800 MHz 
    Keysight E5052B 10 MHz to 110 GHz -168 dBc/Hz (1 GHz) 10 MHz 
    Rohde & Schwarz FSPN26 1 MHz to 26.5 GHz -172 dBc/Hz (1 GHz) None  


     

    Summary of Advantages :


     

    • Integrated Design The FSWP integrates phase noise analysis and spectrum analysis functions, reducing system setup costs, especially suitable for R&D scenarios.
    • Dynamic Noise Figure Measurement Supports large signal noise figure evaluation, while Keysight E5052B requires additional noise source configuration.
  • I. Hardware Options

    Core Functional Modules
    Option Model Function Description Applicable Model
    FSWP-B1 Multi-standard Radio Analyzer (MSRA) mode, supporting complex signal analysis (such as LTE, 5G NR) FSWP8/26/50
    FSWP-K70 Vector Signal Analysis (VSA), supporting EVM, constellation diagram, and modulation quality assessment FSWP8/26/50
    FSWP-K30 Noise figure measurement, supporting low-noise amplifier (LNA) and mixer characteristic analysis FSWP8/26/50
    FSWP-K7 Analog demodulation, supporting AM/FM/PM modulated signal analysis FSWP8/26/50
    FSWP-K6 Pulse measurement, supporting pulse width, rise/fall time, power flatness, etc. FSWP8/26/50
    FSWP-K60 Transient analysis, supporting frequency-hopping spread spectrum (FHSS) and phase-locked loop (PLL) dynamic characteristic measurement FSWP8/26/50
    FSWP-K50 Spurious measurement, used to detect harmonics, parasitic signals, and intermodulation products in the signal FSWP8/26/50
    FSWP-B8 Extended analysis bandwidth to 20/50/80 MHz, enhancing broadband signal processing capability FSWP26/50
    FSWP-B60 Enhanced phase noise sensitivity (cross-correlation technology), suitable for high-precision oscillator testing FSWP8/26/50
    FSWP-B61 Enhanced phase noise sensitivity (cross-correlation technology), suitable for high-frequency bands (such as millimeter waves) FSWP8/26/50
    Extensions and Accessories
    Option Model Function Description Applicable Model
    RPG FS-Zxx External harmonic mixer, extending the frequency range to 325 GHz (requires FSWP-B4001) FSWP8/26/50
    FSWP-Z1 50 GHz test cable kit (including calibration items) FSWP50
    FSWP-Z2 26.5 GHz test cable kit (including calibration items) FSWP26
    FSWP-Z3 8 GHz test cable kit (including calibration items) FSWP8

    II. Software Options

    Analysis Tools
    Option Model Function Description Applicable Model
    FSWP-VSE Vector signal analysis software, supporting offline data processing and automated test script generation FSWP8/26/50
    FSWP-K70PC PC-based VSA analysis extension, supporting multi-channel synchronous measurement FSWP8/26/50
    FSWP-K60PC Transient analysis software, supporting time-domain/frequency-domain joint analysis of frequency-hopping signals FSWP8/26/50
    Calibration and Maintenance
    Option Model Function Description Applicable Model
    FSWP-CAL Annual calibration service (ISO 17025 certified) FSWP8/26/50
    FSWP-TS Temperature stability test software, evaluating instrument performance under different environments FSWP8/26/50

    III. Service and Support

    Warranty and Technical Support
    Option Type Description
    Standard Warranty 1-year full machine warranty (including core modules)
    Extended Warranty Optional 2-5 year extended warranty (requires separate purchase)
    Remote Technical Support 7×24 hours telephone/email support, including firmware upgrade guidance
    On-site Training Customized operation training (such as phase noise measurement, VCO characteristic analysis)
    Customized Service
    Option Type Description
    Custom Fixture Special test fixture for special devices under test (such as millimeter-wave devices)
    Multi-device Synchronization Multiple FSWP collaborative measurement (requires additional hardware support)
    Compliance Certification Certification services compliant with CE, FCC, and other standards

    IV. Exclusive Options for Different Models

    Model Exclusive Option Function Description
    FSWP8FSWP-B8-80 Extended bandwidth to 80 MHz (only FSWP8 supported)
    FSWP26FSWP-B8-50 Extended bandwidth to 50 MHz (only FSWP26 supported)
    FSWP50FSWP-B8-20 Extended bandwidth to 20 MHz (only FSWP50 supported)

    V. Accessories and Consumables

    Accessory Model Function Description
    FSWP-AC AC power adapter (100-240V)
    FSWP-BAT Spare lithium battery pack (4-hour battery life)
    FSWP-USB USB to GPIB interface adapter
    FSWP-EXT-CAL External calibration kit (including standard parts)

    VI. Notes

    1. Compatibility Some options require specific hardware versions (e.g., FSWP-B1 requires FSWP firmware V3.0 and above).
    2. Regional Restrictions Some high-frequency options (such as RPG FS-Zxx) may be subject to export controls and require prior confirmation.
    3. Combination Recommendations :
      • Basic Configuration FSWP50 + FSWP-B1 + FSWP-K70
      • High-Precision Testing FSWP50 + FSWP-B61 + RPG FS-Zxx
      • Production Line Application FSWP26 + FSWP-K6 + FSWP-VSE

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