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ESW EMI test receiver 1 Hz to 26.5 GHz suitable for compliance testing

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EMI test receiver

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  • Product Description
  • Selection
    • Brand: 罗德与施瓦茨
    • Commodity name: ESW EMI test receiver 1 Hz to 26.5 GHz suitable for compliance testing
    • Brand: Rohde & Schwarz

    In-depth Analysis of the R&S®ESW EMI Test Receiver: A Precise Choice for High-Frequency Electromagnetic Compatibility Testing

    I. Product Positioning and Core Value

    The R&S®ESW is a high-performance electromagnetic compatibility (EMC) testing device launched by Rohde & Schwarz, specifically designed for signal analysis and compliance testing in complex electromagnetic environments. As a composite device integrating the functions of an EMI receiver and a real-time spectrum analyzer ,it not only meets international standards such as CISPR 16-1-1, MIL-STD-461, and FCC, but also features an ultra-wide frequency coverage of 1 Hz to 44 GHz and an 80 MHz real-time analysis bandwidth ,making it widely applicable to electromagnetic interference (EMI) diagnosis and certification testing in fields such as consumer electronics, automotive electronics, and 5G communication. Its FFT-based time-domain scanning technology enables gapless capture of transient signals, reducing the traditional 36-hour automotive EMC testing time to under 24 seconds, completely revolutionizing industry testing efficiency.

    II. Core Technical Indicators and Performance Advantages

    Frequency and Bandwidth Performance
    • Frequency Range :1 Hz to 44 GHz (supports 8/26.5/44 GHz multi-stage frequency options)
    • Real-time Bandwidth :80 MHz (standard), expandable to 160 MHz (optional), enabling gapless capture of transient signals
    • Resolution Bandwidth :Supports dual modes: CISPR (200 Hz/9 kHz/120 kHz/1 MHz) and MIL-STD (10% step)
    Sensitivity and Accuracy
    • Displayed Average Noise Level (DANL) :-174 dBm (1 GHz, with preamplifier), more than 10 dB improvement over similar products
    • Phase Noise :-114 dBc/Hz (10 kHz offset, 1 GHz)
    • Amplitude Accuracy :±0.37 dB (1 GHz), far exceeding CISPR standard requirements
    Dynamic Range and Linearity
    • Third-Order Dynamic Range :116 dB (1 GHz)
    • Third-Order Intercept Point (TOI) :+20 dBm (1 GHz), ensuring reliable measurements in strong signal environments

    III. Functional Characteristics and Innovative Design

    EMC Compliance Testing
    • Built-in CISPR 16-1-1 and MIL-STD-461F standard test templates, supporting various detection methods such as peak, quasi-peak, and RMS average
    • Real-time spectrum monitoring function quickly locates out-of-specification signals, shortening testing time
    Fault Diagnosis and Signal Analysis
    • Time Domain Scanning (TDS) :Achieves fast signal capture through FFT technology, suitable for dynamic scenarios such as automotive electronics
    • Enhanced Diagnostic Tools :Supports functions such as spectrum diagrams, bar charts, and cursor scaling for detailed signal analysis
    • Phase Noise Measurement :Built-in dedicated application to meet the phase noise evaluation needs of RF devices
    Intelligence and Scalability
    • SCPI Command Compatibility :Can simulate mainstream spectrum analyzers such as Keysight N9038B, facilitating users to quickly migrate testing processes
    • LXI Class C Standard :Supports remote control and automated testing, improving production line efficiency

    IV. Typical Application Scenarios

    Consumer Electronics
    • Radiation emission (RE) and conducted emission (CE) testing of devices such as mobile phones and laptops, ensuring compliance with FCC, CE, and other certification standards
    Automotive Electronics
    • EMI diagnosis of in-vehicle radar and ADAS systems, supporting time-domain and frequency-domain joint analysis of CAN/LIN bus signals
    5G Communication
    • Out-of-band radiation testing of base stations and RF chips, assisting in the compliance verification of new technologies such as 5G NR and Wi-Fi 6E
    Aerospace
    • Wideband noise and spurious signal testing of satellite communication equipment and radar systems, meeting military standards such as MIL-STD-461F

    V. User Value and Industry Impact

    • Efficiency Improvement :80 MHz real-time bandwidth and fast FFT scanning can reduce testing time by more than 30%
    • Cost Optimization :Integrating the functions of an EMI receiver and a spectrum analyzer reduces equipment procurement and maintenance costs
    • Technological Foresight :Supports amplitude probability distribution (APD) measurement in future CISPR 11 standards, protecting user investment
  • I. Hardware Options

    1. Core Functional Modules

    Option Model Function Description Applicable Scenarios
    ESW-B350 FFT bandwidth extended to 350 MHz, supporting real-time spectrum analysis (RTSA) Wideband signal analysis (such as Wi-Fi 6E)
    ESW-B1000 FFT bandwidth extended to 970 MHz, supporting one-time measurement of CISPR C/D band High-frequency EMI testing (such as automotive radar)
    ESW-B350R Enhanced 350 MHz bandwidth option, supporting full-band real-time gapless capture Transient signal capture (such as pulse interference)
    ESW-B1000R Enhanced 970 MHz bandwidth option, supporting parallel quasi-peak and average detection of CISPR C/D band Fast compliance testing
    ESW-K55 Real-time spectrum analysis (RTSA) bandwidth extended to 80 MHz, supporting waterfall function Signal integrity analysis

    2. RF Front-End Optimization

    Option Model Function Description Applicable Scenarios
    ESW-B8 Channel filter extended to 80 MHz bandwidth (analysis mode) Wideband signal demodulation
    ESW-B21 Integrated 21 pre-selected filters to suppress image interference High-sensitivity measurement in complex electromagnetic environments
    ESW-B2 2 MHz high-pass filter to suppress AC power line interference Conducted emission testing
    ESW-B24 2.4 GHz/5.8 GHz notch filter to suppress strong carrier signals in the ISM band Consumer electronics, IoT device testing

    3. High-Frequency Extension Scheme

    Option Model Function Description Applicable Scenarios
    ESW-110 Supports 110 GHz millimeter-wave mixer (requires external mixer) Millimeter-wave band EMI testing (such as satellite communication)
    11970-60005 Millimeter-wave test fixture (supports 1.85 mm interface) High-frequency device calibration

    II. Software Options

    1. Compliance Testing

    Option Model Function Description Applicable Standards
    ESW-K34 CISPR 16-1-1:2019 certified test software (including quasi-peak, average, RMS detectors) Consumer electronics, industrial equipment
    ESW-K35 MIL-STD-461G certified test software (including TEMPEST mode) Military, aerospace
    ESW-K36 EN 55032 certified test software (including pre-compliance scan function) Automotive electronics, in-vehicle communication
    ESW-K37 FCC Part 15 certified test software (supports digital device radiated emission testing) Communication equipment, IoT terminals

    2. Signal Analysis Tools

    Option Model Function Description Applicable Scenarios
    ESW-K51 89600 VSA vector signal analysis software (supports 5G NR, Wi-Fi 6E, etc.) Complex modulated signal demodulation
    ESW-K52 Phase noise measurement software (supports 10 kHz to 1 GHz frequency offset analysis) Clock source, oscillator evaluation
    ESW-K53 Transient signal analysis software (supports frequency hopping signals, pulse signal dynamic characteristic measurement) Radar, electronic warfare signal analysis
    ESW-K54 Spurious signal analysis software (supports harmonic, intermodulation product detection) RF device R&D

    3. Advanced Functions

    Option Model Function Description Applicable Scenarios
    ESW-K61 Accelerated time-domain scan (A-TDS) function (test time reduced to seconds) Fast compliance testing
    ESW-K62 Real-time spectrum analysis (RTSA) enhanced tools (supports 970 MHz bandwidth gapless capture) Signal integrity analysis

    III. Accessories and Calibration

    1. Calibration Kits

    Option Model Function Description Interface Type
    11970-60001 Calibration kit (including 3.5 mm calibration parts) Basic RF testing
    11970-60005 Calibration kit (including 1.85 mm calibration parts) High-frequency device calibration
    ESW-CAL Annual ISO 17025 certified calibration service (including core modules) Equipment metrology validity maintenance

    2. Test Cables and Fixtures

    Option Model Function Description Frequency Range
    N9048B-301 1 GHz test cable kit (including 3.5 mm cable) Low-frequency signal transmission
    N9048B-303 44 GHz test cable kit (including 1.85 mm cable) High-frequency signal transmission

    IV. Service and Support

    1. Calibration and Maintenance

    Service Type Description Cycle / Range
    Standard Calibration 1 year ISO 17025 certified calibration (including core modules) Coverage frequency, gain, and other indicators
    Extended Calibration Optional 2-5 year extended calibration (requires separate purchase) Extend the validity period of equipment measurement
    On-site Calibration On-site calibration service by engineers (requires additional payment) Complex system integration scenarios

    2. Technical Support

    Service Type Description Response Time
    7×24 hours support Telephone/email technical support, including firmware upgrade guidance Immediate response on weekdays
    Remote Diagnosis Remote troubleshooting service based on WebEx Response within 4 hours
    Customized Training Customized training courses on EMI testing, phase noise measurement, etc. Customized course content on demand

    V. Differences between ESW series models

    Characteristics ESW8ESW26ESW44
    Frequency Range 1 Hz to 8 GHz 1 Hz to 26.5 GHz 1 Hz to 44 GHz
    Real-time Bandwidth 80 MHz (ESW-K55) 80 MHz (ESW-K55) 970 MHz (ESW-B1000R)
    Millimeter-wave Extension Requires external mixer Requires external mixer Supports 110 GHz mixer (ESW-110)
    Typical Applications Consumer electronics, home appliances Automotive electronics, industrial equipment 5G communication, satellite navigation

    VI. Combination Recommendations

    1. Basic EMI Test

    • ESW8 (Basic configuration) +  ESW-K34 (CISPR certification) +   11970-60001 (Calibration kit)
      Applicable Scenarios : Radiated emission testing of consumer electronics and home appliances.

    2. High-frequency Expansion Scheme

    • ESW44 + ESW-B1000R (970 MHz bandwidth) +   11970-60005 (Millimeter-wave fixture)
      Applicable Scenarios : High-frequency EMI testing of automotive radar and satellite communication equipment.

    3. R&D and Debugging

    • ESW26 + ESW-K52 (Phase noise) +  ESW-K62 (RTSA enhancement)
      Applicable Scenarios : Oscillator design, high-speed data link signal integrity analysis.

    VII. Notes

    High-frequency mixer compatibility
    • Millimeter-wave mixers (such as ESW-110) need to be used with external mixers and require separate calibration.
    • High-frequency test fixtures (such as 11970-60005) must match the mixer interface.
    Software License
    • Some software options (such as ESW-K51 ) require separate authorization and activation.
    • 5G NR analysis function requires 89600 VSA software.
    Regional Restrictions
    • Millimeter-wave mixers (such as ESW-110) may be subject to export controls and require prior confirmation of compliance.

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