r&s®espi test receiver | 概览 -九游官网下载

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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