R&S ESPI 测试接收机

R&S^®ESPI 测试接收机专门为满足产品开发和 EMC 预认证过程中所有的 EMC 测试需求而设计，频率范围 9 kHz ～ 3/7 GHz，当配备 R&S^®ESPI-B2 预选器/前置放大器时，所有 R&S^®ESPI型号都具有出色的动态范围，因而能根据 CISPR 16-1-1 对脉冲重复频率 ≥ 10 Hz 的信号执行准确干扰测量。它们还可以使用 R&S^®ESPI-K50 选件测量通讯或广播网络的场强覆盖，而且测量精度非常高。

主要特点

• 预认证 EMI 测试接收机和高品质频谱分析仪合二为一

• 集成预选功能，可选择 20dB 前置放大器（R&S^®ESPI-B2 选件）

• 满足新版CISPR 16-1-1的加权检波器，包括 CISPR-Average 和 RMS-Average

• 场强特性评估的测量速率非常快（R&S^®ESPI-K50 选件）

• 可利用自动和交互测试程序快速、可靠地进行测量

• 预定义修正因子

• 提供民用标准的限值库

• 另有带宽在 5.6 MHz 和 8 MHz 之间、符合 DVB-T/T2 地面 DVB 网络标准（R&S^®ESPI-K50 选件）的各种信道滤波器。


型号

• 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)

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)