EMI test receivers

Navigate the complexity of EMC testing with confidence - from first measurements to final certification

联系专家

EMI 测试接收机

Q: What is an EMI test receiver and how does it fit into EMC testing?

An EMI test receiver is used to measure unwanted electromagnetic emissions from electronic devices. It is the core of EMC emissions testing following standard requirements for resolution bandwidths, detectors (quasi-peak, CISPR Average, CISPR RMS), measurement routines and – as most important – the demanding dynamic range to measure high interference amplitudes while achieving a low noise floor and high sensitivity. A full compliant EMI receivers fulfills all CISPR, FCC, EN, ISO, MIL-STD or other global standard requirements while precompliance EMI receivers allow economic precertification with a high certainty.

Q: What is the difference between an EMI receiver and a spectrum analyzer?

An EMI receiver is designed specifically for EMI testing with best dynamic range even in presence of wideband interferences. This is achieved by dedicated preselection filters and low noise components. A spectrum analyzer is more general-purpose instrument with a focus on widest bandwidths and highest digital signal processing capabilities. Another important difference is the EMI receivers scanning vs. the spectrum analyzers sweeping, showing different behavior particularly for intermittent interference testing. Spectrum analyzers offer great value for general EMI analysis or debugging.

Q: How does FFT-based time-domain scanning improve EMI testing speed?

FFT-based time-domain scanning processes thousands of frequency points simultaneously, enabling measurement speeds much faster than the traditional stepped scan. This helps engineers improve reliability for emission detection, provides better insight into transient signals and significantly shortens compliance test cycles.

Q: What is the difference between compliance and pre-compliance EMI testing?

Compliance testing requires compliant instruments and accessories that are also accredited calibrated to regularly verify compliance to international standards. Pre-compliance testing uses pre-compliance receivers with similar detector types but relaxed tolerances. It helps identify potential failures early at best during the development of the product to reduce redesign loops and lower certification costs.

Q: How can pre-compliance EMI testing support product development?

Pre-compliance receivers (e.g., R&S®ESRP or R&S®EPL) allow developers to detect emission problems early in the development stage. At this point, changes are easier to adapt to reduce development cost and shorten the time-to-market. The final stage of the certification process will then be a compliance test to achieve certification, ideally without additional rejection loops thanks to pre-compliance testing before finalizing the product.

Q: What software tools support EMI measurements with Rohde & Schwarz EMI test receivers?

R&S®ELEKTRA automates complete EMC test workflows, including limit line comparison, sequencing, conducted/radiated test execution, and reporting. It improves accuracy, reduces manual effort, and enables integration into automated test systems. R&S®ELEKTRA offers solutions for all EMC standards as well as other testing requirements typically performed in the same testing environment.

所有 EMC 测试方法中不可或缺的核心组件

EMI 测试接收机极为精确，专用于精准检测电磁发射，以确保所有发射均符合测试的相关标准。接收机包含自动测试程序，可简单配置以针对测试标准规定的参数运行必要测试。罗德与施瓦茨 EMI 测试接收机和性能全面的信号与频谱分析仪集于一体，还可提供更多功能。

罗德与施瓦茨 EMI 测试接收机符合所有领先标准机构制定的所有商业、汽车电子和军用 EMI 标准，包括 IEC、CISPR、CENELEC、ETSI、FCC、ANSI、RTCA 和 MIL-STD 标准。接收机支持所有新引入的功能，包括基于 FFT 的快速时域扫描，与传统频率扫描相比能够将测试速度提高数倍。仪器满足所有频率范围要求，支持最高 44 GHz 频率，使用外部混频器时可达 500 GHz。

罗德与施瓦茨提供完整一致性和预一致性 EMI 测试接收机。完整一致性接收机满足上述标准的所有要求，适用于认证测试。预一致性接收机解决方案具有出色的成本效益，非常适合开发过程中的 EMI 测试。此类接收机满足标准规定的带宽、限值和检波器要求，但不完全符合完整一致性的严格要求。

0 的 3 比较产品

选择至少2个产品

Three pillars of confidence

Proven precision you can rely on

Expertise you can rely on

Our EMI receivers are the market reference. They deliver speed, accuracy, reliability and reproducibility across every relevant EMC standard. With clear detectors, limit lines and reporting, you can trust your results will match what you see in the chamber.

Confidence at every stage of EMC testing

Consistent performance from bench to chamber

From early debugging to precompliance and final certification, our portfolio supports you at every step. You start with the right tool on the bench, keep the same approach in the lab, and finish with full compliance in the chamber. This consistency helps you find issues earlier and avoid late surprises.

Consistency that pays off

Long-term reliability that keeps projects on track

Future-proof instruments that last and prevent surprise failures and roadblocks. Designed to reduce retests and delays, they offer a return on investment that is as reliable as the measurements themselves.

Trade-in your old EMI compliance receiver

Save up to 25% trade-in credit for R&S®ESR or R&S®ESW

The R&S®ESW and R&S®ESR test receivers enhance the user experience by offering a bigger touch screen, dramatically improved measurement speed, the possibility of real-time spectrum analysis and the overall ability to take on more tasks. Save now and experience improved options of the EMI test receivers.

即刻购买，立享优惠

Featured EMI test receivers content

应用指南

Real-time railway EMC measurments to EN 50121

EMC / EMI test receivers Antennas

解决方案

Poster: Emission testing in line with MIL-STD-461

EMC MIL-STD EMC

应用指南

Extended Resolution Bandwidths for Ultrawideband (UWB) Measurements

EMI measurements EMI

应用指南

Click Rate Analyzer for EMI Test Receivers R&S®ESU, R&S®ESR and R&S®ESCI

EMI / EMC Solutions EMC / EMI test receivers

解决方案

Meet the latest R&S®EPL EMI test receivers

EMI / EMC Solutions EMC / EMI test receivers

解决方案

Poster: High-quality equipment for every EMI standard

EMC

白皮书

Comparison of Time Domain Scans and Stepped Frequency Scans in EMI Test Receivers

EMC / EMI test receivers CISPR

应用说明

ESR and ESL of DC-link capacitors

EMC / EMI test receivers

EMI test receivers FAQ

What is an EMI test receiver and how does it fit into EMC testing?

What is the difference between an EMI receiver and a spectrum analyzer?

How does FFT-based time-domain scanning improve EMI testing speed?

What is the difference between compliance and pre-compliance EMI testing?

How can pre-compliance EMI testing support product development?

What software tools support EMI measurements with Rohde & Schwarz EMI test receivers?

请求信息

Do you have questions or need additional information? Simply fill out this form and we will get right back to you.
For service/support requests, please go here to log in or register.

先生

女士

无可奉告

名字

姓氏

电子邮箱

公司

国家/地区

电话（例如，+1 400 123 5678）

邮政编码

城市

询问

Email confirmation (optional)

你的申请已提交，我们稍后会联系您。

An error is occurred, please try it again later.

大体信息，法律信息

Manufacturer's recommended retail price (MSRP). The price shown does not include VAT. Prices and offers are only intended for entrepreneurs and not for private end consumers.

You may use the electronic signature via DocuSign to submit your information to enroll with the Rohde & Schwarz Customer Delegated Administration program. DocuSign processes the information provided according to their . The minimum system requirements for using the DocuSign system may change over time. The current system requirements are found

Terms & Conditions of the Prize Draw 10 years Rohde & Schwarz oscilloscopes

1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).

2. All participators can register to the draw during January 01, 2020 to December 31, 2020 with their name, company name and business e-mail.

3. Participation is free of charge and not dependent on the purchase of goods or services.

4. The draw is only open to legal entities and only the legal entities are able to win the prizes. An individual person is not allowed to participate on its own name and its own account but as a representative of a legal entity filing the participation form in the name of and on behalf of the legal entity.

5. The prizes to win are 1 of 10 R&S®RTB2000 within the time frame January 1, 2020 to December 31, 2020:

Prize: 1x R&S®RTB2000 Digital Oscilloscope

6. The draw takes place at Rohde & Schwarz headquarters, Muehldorstrasse 15, 81671 Munich. The winner of the prizes will be informed by e-mail within 5 (5) working days.

7. The authorized representative of the legal entity shall inform Rohde & Schwarz about the acceptance of the price. In case of the denial of the acceptance, or no answer within two (2) weeks, a new winner will be drawn. If no winner can be determined within four (4) weeks, the draw ends and the prize forfeit.

8. R&S’ employees and members of their families and also person being familiar with the process of the draw and members of their families are excluded from filling the participation form.

9. No cash equivalent or exchange of prizes is allowed. Prizes are non-transferable. All taxes, levies, duties, fees and other charges levied in the participant´s country shall be borne by the participant.

10. Personal data will be processed only for the purpose of this prize draw and deleted four (4) weeks after the draw, if not agreed otherwise.

11. Any Participant who does not comply with these Terms & Conditions may be disqualified by R&S from this Competition. In such cases, prizes can also be withdrawn retrospectively. In case a prize is withdrawn retrospectively due to the non-compliance with these Terms & Conditions, it shall be returned by the respective participant at his cost to R&S’ address mentioned under Nr.1 and a new winner will be drawn.

12. The participants cannot claim the prizes of this draw and no legal recourse is permitted in this respect.

13. The draw and any contractual relationship arising therefrom between R&S and the respective participant shall be governed by and construed in accordance with the laws of Germany, without any recourse to the conflict of laws. The courts of Munich, Germany, shall have exclusive jurisdiction in case of any disputes arising directly or indirectly from the participation in this Competition.

* “fast delivery” inside 7 working days applies to the Rohde & Schwarz in-house procedures from order processing through to available ex-factory to ship.