R&S ESPI 測試接收機

品牌：R&S/羅德與施瓦茨

簡述：主要特點 ? 預認證 EMI 測試接收機和高品質頻譜分析儀合二為一 ? 集成預選功能，可選擇 20dB 前置放大器（R&S?ESPI-B2 選件） ? 滿足新版CISPR 16-1-1的加權檢波器，包括 CISPR-Average 和 RMS-Average

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產品介紹

R&S^®ESPI 測試接收機專門為滿足產品開發和 EMC 預認證過程中所有的 EMC 測試需求而設計，頻率范圍 9 kHz ～ 3/7 GHz，當配備 R&S^®ESPI-B2 預選器/前置放大器時，所有 R&S^®ESPI型號都具有出色的動態范圍，因而能根據 CISPR 16-1-1 對脈沖重復頻率 ≥ 10 Hz 的信號執行準確干擾測量。它們還可以使用 R&S^®ESPI-K50 選件測量通訊或廣播網絡的場強覆蓋，而且測量精度非常高。

主要特點

• 預認證 EMI 測試接收機和高品質頻譜分析儀合二為一

• 集成預選功能，可選擇 20dB 前置放大器（R&S^®ESPI-B2 選件）

• 滿足新版CISPR 16-1-1的加權檢波器，包括 CISPR-Average 和 RMS-Average

• 場強特性評估的測量速率非常快（R&S^®ESPI-K50 選件）

• 可利用自動和交互測試程序快速、可靠地進行測量

• 預定義修正因子

• 提供民用標準的限值庫

• 另有帶寬在 5.6 MHz 和 8 MHz 之間、符合 DVB-T/T2 地面 DVB 網絡標準（R&S^®ESPI-K50 選件）的各種信道濾波器。

型號

名稱
R&S^®ESPI3 測試接收機 9KHz到3GHz
R&S^®ESPI7 測試接收機 9KHz到7GHz

技術指標

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 ?
	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)