R&S®ESW EMI Test Receiver

Excellent RF characteristics and high measurement speed

Key Facts

  • Frequency ranges 2 Hz to 8 GHz, 2 Hz to 26.5 GHz and 2 Hz to 44 GHz
  • Compliant with CISPR16-1-1, ANSIC63.2, MIL‑STD‑461 and FCC
  • Highest dynamic range and highest accuracy for demanding certification measurement

Brief Description

The R&S®ESW is an EMI test receiver with outstanding RF characteristics, including high dynamic range und measurement accuracy. It meets the most stringent requirements for certification measurements in line with CISPR, EN, MIL‑STD-461, DO‑160 and FCC.

Features

  • Standard-compliant EMI measurements
  • RF performance that meets exacting demands
  • Integrated preselection filters and preamplifier
  • FFT-based time domain scan for ultrafast measurements

Specifications

Frequency
Frequency range R&S®ESW8 2 Hz to 8 GHz
  R&S®ESW26 2 Hz to 26.5 GHz
  R&S®ESW44 2 Hz to 44 GHz

Key Facts

  • Frequency ranges 2 Hz to 8 GHz, 2 Hz to 26.5 GHz and 2 Hz to 44 GHz
  • Compliant with CISPR16-1-1, ANSIC63.2, MIL‑STD‑461 and FCC
  • Highest dynamic range and highest accuracy for demanding certification measurement
  • Ultrafast measurements with FFT-based time domain scan
  • Preselection with selectable highpass filters and notch filters for the ISM bands
  • EMI test receiver and signal and spectrum analyzer in a single box
  • Realtime spectrum analysis (R&S®ESW-K55 option) with 80 MHz bandwidth and spectrogram function
  • MultiView function for straightforward display of multiple operating modes on a single screen

Brief Description

The R&S®ESW is an EMI test receiver with outstanding RF characteristics, including high dynamic range und measurement accuracy. It meets the most stringent requirements for certification measurements in line with CISPR, EN, MIL‑STD-461, DO‑160 and FCC. With its FFT-based time domain scan, the R&S®ESW captures and weights disturbance spectra in virtually no time. The instrument’s realtime spectrum analysis capability with spectrogram function permits a detailed analysis of disturbance signals and their history. MultiView mode delivers a straightforward display of results, even for multiple operating modes.

Features & Benefits

  • Standard-compliant EMI measurements
    • Certification measurements
    • Standard-compliant EMI measurements in spectrum analyzer mode
  • RF performance that meets exacting demands
    • Exceptionally wide dynamic range
    • Low DANL (typ. –168 dBm for f ≤ 1 GHz)
    • High 1 dB compression point (+15 dBm) for RF frontend
    • High third-order intercept (TOI) (typ. +25 dBm)
    • Superior measurement accuracy (±0.37 dB for f ≤ 8 GHz)
  • Integrated preselection filters and preamplifier
    • Integrated preselection filters (21 filters) as standard
    • Additional highpass filter at 2 MHz for suppressing data carriers and disturbance signals on AC supply lines
    • Notch filters for suppressing strong carrier signals in the license-free 2.4 GHz and 5.8 GHz ISM bands
  • FFT-based time domain scan for ultrafast measurements
    • Realtime measurement of conducted disturbance levels with simultaneous quasi-peak and CISPR-average weighting
  • Realtime spectrum analysis for detailed investigation of disturbances (option)
    • Realtime measurement with up to 80 MHz bandwidth
    • Spectrogram for seamless spectrum display
    • Persistence mode (spectral histogram) for clear identification of pulsed and continuous disturbances
    • Frequency mask trigger for precise and reliable detection of sporadic spectral events
  • Convenient operation, straightforward result display
    • Straightforward scan table
    • MultiView: straightforward display of multiple results
    • Optimized, touchscreen-based user interface for quick access to all functions
    • Integrated online help
    • Saving results and instrument setups
  • Automated testing
    • Preview measurement – data reduction – final measurement
    • R&S®EMC32 EMC measurement software for remotely controlled measurements and automated EMI test routines
    • Report generator for documenting measurement results
  • Four-channel click rate measurement
    • Click rate analysis in line with CISPR14-1
    • Documentation of results
  • Data protection and remote control
    • Removable hard disk drive (HDD) to keep test data confidential and secure
    • Remote control via GPIB or LAN
    • Drivers for LabView, LabWindows/CVI, VXI Plug & Play
    • Free-of-charge firmware updates – always in step with new developments

Specifications

Frequency
Frequency range R&S®ESW8 2 Hz to 8 GHz
  R&S®ESW26 2 Hz to 26.5 GHz
  R&S®ESW44 2 Hz to 44 GHz
Aging per year R&S®ESW-B4 OCXO precision frequency reference (standard value ±1 × 10–7) ±3 × 10–8
Bandwidths
Resolution bandwidths standard filters (–3 dB) 1 Hz to 10 MHz
  EMI filters (–6 dB)
1 Hz, 100 Hz, 200 Hz, 1 kHz, 9 kHz, 10 kHz, 100 kHz, 120 kHz, 10 MHz
Detectors receiver mode max. peak, min. peak, quasi-peak, RMS, average, average with meter time constants (CISPR-average), RMS-average (CISPR RMS)
APD measurement function minimum amplitude probability 10–7
  maximum acquisition time 120 s
  acquisition bandwidth (–6 dB) 200 Hz, 9 kHz, 120 kHz, 1 MHz
Third-order intercept (TOI) R&S®ESW8, R&S®ESW26, R&S®ESW44, RF attenuation = 0 dB, level 2 × –15 dBm, ∆f > 5 × RBW, preselection off, preamplifier off 10 MHz ≤ fin < 1 GHz, > +20 dBm, typ. 25 dBm
1 dB compression RF attenuation = 0 dB, preselection off, preamplifier off fin ≤ 3 GHz, +15 dBm (nom.)
Preselection filters
Status receiver mode always on
 
  analyzer mode on/off (selectable)
Number of preselection filters   21
Preamplifier (switchable) 1 kHz to 8 GHz 20 dB (nom.)
Displayed average noise level (DANL) R&S®ESW8 (receiver mode, RF attenuation = 0 dB, termination = 50 Ω, logarithmic scaling normalized to 1 Hz RBW, RBW = 1 kHz, VBW = 1 Hz, +5 °C to +40 °C, preselection on, preamplifier on)
  1 MHz ≤ f < 1 GHz < –165 dBm, typ. –168 dBm
Receiver mode
Time domain scan CISPR band B, 150 kHz to 30 MHz, RBW = 9 kHz, measurement time = 100 ms, peak detector 110 ms (total measurement time)
  CISPR band B, 150 kHz to 30 MHz, RBW = 9 kHz, measurement time = 1 s, quasi-peak detector and CISPR-average detector 2 s (total measurement time)
  CISPR band C/D, 30 MHz to 1000 MHz, RBW = 120 kHz, measurement time = 10 ms, peak detector 620 ms (total measurement time)
  CISPR band C/D, 30 MHz to 1000 MHz, RBW = 9 kHz, measurement time = 10 ms, peak detector 840 ms (total measurement time)
  CISPR band C/D, 30 MHz to 1000 MHz, RBW = 120 kHz, measurement time = 1 s, quasi-peak detector 80 s (total measurement time)
  CISPR band C/D, 30 MHz to 1000 MHz, RBW = 9 kHz, measurement time = 1 s, quasi-peak detector and CISPR-average detector 67 s (total measurement time)
Total measurement uncertainty
Preselection off 10 MHz < f ≤ 3.6 GHz ±0.27 dB
Dimensions (nom.) W × H × D, including front handles and rear feet 462 mm × 240 mm × 504 mm (18.15 in × 9.44 in × 19.81 in)
Net weight, without options (nom.) R&S®ESW8 20.6 kg (45.42 lb)
  R&S®ESW26 22.1 kg (48.72 lb)
  R&S®ESW44 25.2 kg (55.56 lb)
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