R&S®ESPI Test Receiver

The reference instrument for the EMI precompliance class

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Key Facts

  • Combination of precertification EMI test receiver and high-quality spectrum analyzer
  • Integrated preselection with selectable 20 dB preamplifier (R&S®ESPI-B2 option)

Brief Description

The R&S®ESPI test receivers are especially designed to meet all EMC testing demands during product development and for EMC precertification in the frequency range from 9 kHz to 3/7 GHz.

Features

  • Standard-compliant disturbance measurements for PRFs ≥ 10 Hz
  • Spectrum analysis for lab applications
  • Intuitive operation and powerful analysis functions for fast, accurate results

Specifications

Frequency range  
R&S®ESPI3 9 kHz to 3 GHz
R&S®ESPI7 9 kHz to 7 GHz

Key Facts

  • Combination of precertification EMI test receiver and high-quality spectrum analyzer
  • Integrated preselection with selectable 20 dB preamplifier (R&S®ESPI-B2 option)
  • Weighting detectors in line with the latest version of CISPR 16-1-1 incl. CISPR-Average and RMS-Average
  • Evaluation of field strength profiles at very high measurement rates (R&S®ESPI-K50 option)
  • Fast and reliable measurements using automatic and interactive test routines
  • Predefined transducer factors
  • Library of limit lines for commercial standards
  • Additional channel filters with various bandwidths between 5.6 MHz and 8 MHz matching terrestrial DVB networks like DVB-T/T2 (R&S®ESPI-K50 option)

Brief Description

The R&S®ESPI test receivers are especially designed to meet all EMC testing demands during product development and for EMC precertification in the frequency range from 9 kHz to 3/7 GHz. Equipped with the R&S®ESPI-B2 preselector/preamplifier option, all R&S®ESPI models feature an excellent dynamic range and are therefore able to perform precise interference measurements for pulse repetition frequencies ≥ 10 Hz in line with CISPR 16-1-1. With the R&S®ESPI-K50 option they can also be used for measurement of the coverage field strength of communications or broadcast networks at very high measurement rates.

Features & Benefits

  • Standard-compliant disturbance measurements for PRFs ≥ 10 Hz
    • Total measurement uncertainty 1.5 dB (≤ 3 GHz) in receiver mode
    • 1 dB compression 0 dBm nominal
    • Displayed average noise level with preamplifier typ. –155 dBm (1 Hz), f < 1 GHz
    • Eleven preselection filters up to 3 GHz (R&S®ESPI-B2 option)
    • 20 dB preamplifier (R&S®ESPI-B2 option)
    • Resolution bandwidths in line with CISPR 16-1-1
    • Detectors in line with CISPR 16-1-1: peak, quasi-peak, average, RMS, CISPR average, RMS average
  • Spectrum analysis for lab applications
    • High-quality spectrum analyzer included (R&S®FSP)
    • Extensive measurement functions and evaluation capabilities for general lab applications
  • Intuitive operation and powerful analysis functions for fast, accurate results
    • User-friendly operation as with all modern EMI test receivers from Rohde & Schwarz
    • SCAN settings in tabular format
    • Simultaneous measurement of up to three traces for parallel evaluation
    • Fast, reliable measurements using automatic and interactive test routines
    • EMI test receiver and spectrum analyzer in a single box
    • Continuous bargraph display and marker functions for precise measurements
    • Automatic disturbance voltage measurements using remote-controllable line impedance stabilization networks (LISN) from Rohde & Schwarz
    • Predefined transducer factors
    • Library of limit lines for commercial standards
    • Measurement of the coverage field strength of communications or broadcast networks at very high measurement rates (R&S®ESPI-K50 option)
    • Additional channel filters with various bandwidths between 5.6 MHz and 8 MHz matching all terrestrial DVB networks incl. DVB-T2 (R&S®ESPI-K50 option)
  • Integrates perfectly into the work environment
    • Easy expansion or upgrading by means of options
      • Scalar network analysis
      • RF level measurement
      • Modulation measurement
    • Extensive documentation and networking capabilities like a PC
    • Computer-controlled measurement of disturbances and automated EMI test routines using the R&S®ES-SCAN and R&S®EMC32 EMI measurement software
    • Always up-to-date with free firmware updates
  • Rugged and environmentally friendly, suitable even for field applications
    • Housing option for outdoor use
      • Shock-absorbing corners, carrying handle, carrying bag
    • AC-independent operation using DC power supply and battery pack (option)
    • Flash disk option for expanded environmental specifications
    • Environmentally friendly design
      • Few materials
      • Labeling for easy identification of materials
      • Recyclable housing

Specifications

Frequency range R&S®ESPI3: 9 kHz to 3 GHz
R&S®ESPI7: 9 kHz to 7 GHz
Frequency resolution 0.01 Hz
Frequency accuracy standard 1 × 10-6
with R&S®FSP-B4 (OCXO) option 1 x 10-7
External reference frequency 10 MHz
Measurement time receiver mode/scan (per frequency step) selectable from 100 µs to 100 s
analyzer mode/sweep time selectable from 2.5 ms to 16000 s,
zero span from 1 µs to 16000 s
Resolution bandwidth analyzer mode (–3 dB) 10 Hz to 3 MHz in steps of 1/3/10
receiver mode (EMI) 200 Hz, 9 kHz, 120 kHz (–6 dB),
1 MHz (impulse bandwidth)
Video bandwidth analyzer mode 1 Hz to 10 MHz in steps of 1/3/10
Preselection
(R&S®ESPI-B2 option)
can be turned off in analyzer mode 11 fixed/continuously tunable filters up to 3 GHz
Preamplifier
(R&S®ESPI-B2 option)
can be switched on/off 20 dB gain up to 3 GHz
Level
Max. RF level (CW) input attenuation ≥ 10 dB 137 dBµV (= 1 W)
Max. pulse energy input attenuation ≥ 10 dB, 10 µs 1 mWs
Max. pulse voltage input attenuation ≥ 10 dB, 10 µs 150 V
Third-order intercept (IP3) without preselection/preamplifier,
from 200 MHz to 3 GHz
from 3 GHz to 7 GHz
> 7 dBm, typ. 10 dBm
> 2 dBm, typ. 5 dBm (only at R&S®ESPI7)
with preselection/without preamplifier,
from 200 MHz to 3 GHz
> 2 dBm, typ. 5 dBm
1 dB compression f > 200 MHz, input attenuation 0 dB,
without preselection/preamplifier
0 dBm, nominal
Total measurement uncertainty 95 % confidence level
< 3 GHz
without preselection/preamplifier 0.5 dB
with preselection/preamplifier 1.5 dB
Displayed average noise level (DANL) receiver mode, nominal,
input attenuation 0 dB, termination 50 Ω
without preselection/preamplifier, 1 MHz, BW = 9 kHz < 17 dBμV
without preselection/preamplifier, 30 MHz to 1 GHz,
BW = 120 kHz
< 6 dBμV
with preselection/preamplifier, 1 MHz, BW = 9 kHz < 7 dBμV
with preselection/preamplifier, 30 MHz to 1 GHz,
BW = 120 kHz
< - 4 dBμV
Detectors receiver mode max./min. peak, quasi-peak, RMS,
average, average with meter time
constant (CISPR average), RMS
average (CISPR RMS)
Number of measurement points analyzer mode 125 to 8001 (default 501)
receiver mode max. 1 million (frequency domain)
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