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Rohde & Schwarz is an independent group of companies specializing in electronics. It is a leading supplier of solutions in the fields of test and measurement, broadcasting, radiomonitoring and radiolocation, as well as secure communications. Established nearly 80 years ago, Rohde & Schwarz has a global presence and a dedicated service network in over 70 countries. It has approx. 8700 employees and achieved a net revenue of EUR 1.81 billion in fiscal year 2011/2012 (July to June). Company headquarters are in Munich, Germany.
Rohde & Schwarz has doubled the analysis bandwidth of its high-end R&S FSW signal and spectrum analyzer from 160 MHz to 320 MHz. The R&S FSW is currently the only signal and spectrum analyzer on the market able to process signals in this bandwidth. This gives the analyzer a competitive edge in a variety of applications related to wideband digital communications and radar systems.
R&S RTO features an impressive low-noise frontend, high dynamic range ADC, high acquisition and analysis rate and a digital trigger system with extremely low trigger jitter. In addition to automatic jitter measurements, the R&S RTO-K12 jitter analysis option offers a wide range of intelligent functions.
Power analysis requires that users measure voltage and current. For this purpose, Rohde & Schwarz offers high end voltage and current probes and now also the new R&S RT-ZF20 deskew fixture. The deskew fixture makes it easy to measure delay differences, which can then be corrected in the oscilloscope.
Rohde & Schwarz adds the R&S BBA150 for the microwave range to its EMC portfolio. These compact, lightweight amplifiers with their state-of-the-art design are optimized for high frequencies starting at 0.8 GHz. Depending on the setup, the R&S BBA150 can be manually operated via its display and buttons or it can automatically control via a remote control interface or a web browser.
A product must pass the USB Implementers Forum's compliance tests (USB-IF compliance program). Rohde & Schwarz meets this need with the R&S RTO-K21 USB 2.0 compliance test software for its R&S RTO high-performance oscilloscope. This software offers scenarios for testing USB 2.0 devices (DUT) when functioning as a device, host or hub.
Manufacturers and test houses can now use the R&S VTC and R&S VTE video testers from Rohde & Schwarz to test next-generation HDMI sink devices with ultra-HD or 4k screen resolution. This is possible thanks to the new R&S VT-B360 HDMI TX 300 MHz HDMI module, which is equipped with four parallel HDMI channels with ultra-HD resolution. Tests can be performed on TVs, monitors, projectors and A/V receivers with conventional screen resolutions as well.
Read MoreMore dynamic range and measurement speed in the microwave range: The new R&S ZNB20 and R&S ZNB40 network analyzers now offer these features in the midrange price segment as well. Like all models in the R&S ZNB family, their compact hardware platform requires less space than similar instruments. The advanced 16:9 format touchscreen makes operation easy.
Read MoreRohde & Schwarz, a global leader in test and measurement, has expanded its portfolio of solutions focused on the three key aspects that impact mobile network operators’ customer satisfaction: the devices subscribers use, the networks they use them on and the services and applications they use.
Read MoreRohde & Schwarz, a leading manufacturer of audio, video and telecommunications test equipment, announced that it is collaborating with Dolby Laboratories Inc. to provide audio test technology to Dolby and its licensees.
Read MoreNew bandwidths, mixed-signal analysis and options for testing USB interfaces, CAN LIN buses and audio signals: Rohde & Schwarz significantly expanded its oscilloscope portfolio in 2012. At the embedded world 2013 trade fair in Nuremberg (hall 4, booth 112), the company will present its latest applications, two new probes and other state-of-the-art products.
Read MoreRohde & Schwarz now offers harmonic filter options for its R&S SMB100A microwave signal generator. These filters make it possible to achieve a harmonic suppression of more than –50 dBc over a wide frequency range from 150 MHz to max. 40 GHz. At low frequencies below 3 GHz, it is even possible to achieve an excellent –58 dBc.
Read MoreRohde & Schwarz has enhanced its fully integrated R&S SGS100A by adding a model for I/Q modulated signals from 80 MHz to 12.75 GHz. Combined with an I/Q baseband generator, the instrument can be used to generate test signals for all radio standards in this frequency range. As a result, the R&S SGS100A is ideal for X-band signals from 8 GHz to 12 GHz for radar and satellite communications. The I/Q modulator's wide RF bandwidth of 1 GHz makes it possible to generate pulses with high chirp bandwidths and steep pulse edges.
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A highlight at the Rohde & Schwarz booth at the electronica trade fair in Munich, Germany is the new R&S ESR EMI test receiver. Thanks to its broadband architecture, it performs standard-compliant disturbance measurements up to 6000 times faster than other solutions.
At European Microwave Week in Amsterdam (hall 3, booths 115/216), Rohde & Schwarz will present highlights from its test and measurement products for microwave applications. In addition, experts from Rohde & Schwarz will impart their expertise to attendees of nine workshops and seminars covering various microwave applications.
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Rohde & Schwarz's new R&S ESR test receiver is available in two different models for frequencies ranging from 10 Hz to 3 GHz or 7 GHz to meet the requirements of all users who perform EMC certification on commercial equipment.
The Rohde & Schwarz R&S FSW-K6 pulse measurement option for the R&S FSW series of high-performance signal and spectrum analyzers is an excellent choice for evaluating the performance of radar systems and all other applications that employ pulsed signals. When coupled with the MultiView capabilities of the R&S FSW series, multiple spectrum analyzer measurements can be run, viewed, and updated on a single screen giving the user a complete overview of system performance.
Read MoreRohde & Schwarz has added three new options for its compact R&S DST200 RF diagnostic chamber: the R&S DST-B160 automated 3D positioner, the R&S DST-B210 cross-polarized test antenna and the R&S DST-B270 communications antenna. The new options significantly speed up precompliance testing of wireless devices, allowing automated test sequences to be performed on the lab bench so that developers no longer require constant access to large RF test chambers.
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The Rohde & Schwarz ETC mid-range, multistandard TV analyzer supports the ISDB-T, DVB-T and DVB-T2 digital terrestrial standards.
Rohde & Schwarz offers manufacturers of mobile devices and consumer electronics two universal test platforms: the R&S CMW500 and the R&S CMW270. The R&S CMW500 covers all common cellular and non-cellular standards, while the R&S CMW270 has been customized for non-cellular standards. New options now provide additional WLAN signaling functions.
Read MoreRohde & Schwarz has added new functionality to its R&S SMU200A vector signal generator: Equipped with the R&S SMU-K77 option, the R&S SMU200A simulates dynamic fading scenarios for testing military radiocommunications equipment. This makes it possible to verify the performance of military radios and optimize their hardware to enable smooth operation under harsh receiving conditions such as dynamic fading and multipath signal propagation.
Read MoreThe latest Rohde & Schwarz test solution for LTE is based on the R&S CMW500 wideband radio communication tester with new options and the R&S UPV audio analyzer. The R&S CMW500 emulates an LTE network and the R&S UPV assesses the voice transmission and voice quality of the LTE user equipment according to an objective set of test criteria.
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The new 4 GHz high-performance oscilloscope from Rohde & Schwarz with its 20 Gsample/s sampling rate addresses a wide variety of applications.
Test and measurement products from HAMEG Instruments are now directly available from Rohde & Schwarz almost anywhere in the world, which has prompted the decision to brand these products with a new logo that contains the names of both companies. This move is intended to further increase the brand awareness and growth of HAMEG Instruments and within the next three months, the dual logo will be introduced in nearly all regions.
Read MoreWhen network operators upgrade to LTE they want to take full advantage of their new and existing resources, so to support this objective, Rohde & Schwarz has added MIMO-specific measurements to its R&S ROMES4.65 drive test software. Using this feature, the R&S TSMW network scanner can quickly identify interferers that reduce MIMO performance in LTE networks.
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China Mobile is using the R&S CMW500 wideband radio communications tester from Rohde & Schwarz in its Research Institute labs to perform RF tests on user equipment for time division LTE (TD-LTE). The intention is for Rohde & Schwarz’s TD-LTE cooperation with the Chinese mobile radio network operator to continue on a long-term basis.
The R&S SMW200A vector signal generator is the ideal tool for generating the high-quality, complex digitally modulated signals required for the development and verification of today's communications systems.
Describes one of the most requested features of LTE-Advanced in greater detail: carrier aggregation
Read MoreIntroduction to a new EMI test receiver that features comprehensive diagnostic tools
Read MoreEmploying instrumentation with a sophisticated emulation strategy allows new test instruments to be successfully integrated, using a less expensive, more efficient migration path
Read MoreRecent addition of MIMO-specific measurements to the R&S ROMES4.65 drive test software enables the collection of important MIMO data during a drive test
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Technical Education Training Webcast Series
GPS Interference & Spoofing: Origins, Effects and Mitigations for the Military and Civil Communities – Part III
GPS Interference & Spoofing: Origins, Effects and Mitigations for the Military and Civil Communities – Part II
GPS Interference & Spoofing: Origins, Effects and Mitigations for the Military and Civil Communities, Part I
This application note presents the I/Q Software Interface (R&S K11 option) of the R&S RTO in the context of remote applications. It demonstrates the basic operation, application examples, and an analysis in MATLAB.
DownloadThe scope of the subject “radar” has expanded in the recent years in terms of its technical evolution and spreading of applications. This application note along with its corresponding white paper 1MA207 show how to use the R&S radar product portfolio to tackle test and measurement tasks in modern radar technology. Target groups are students who want to become familiar with radar issues as well as radar professionals who want to solve certain test and measurement tasks.
DownloadThis document describes how a Windows®-based R&S® T&M instrument is remotely operated by an Apple iPad* as if working on it locally. Step-by-step procedures are provided for setting up and configuring the T&M instrument and the iPad. On the iPad, a special App implements the Windows® "Remote Desktop" functionality. T&M instrument and iPad are connected via WLAN (also denoted as Wi-Fi network).
DownloadDue to its outstanding performance the R&S SMW200A vector signal generator is ideal for testing MIMO receivers in a vast variety of applications offering maximum usability at minimum form factor. It can generate up to eight antenna signals simultaneously in its digital baseband – all standard-compliant and with antenna-specific coding. In addition, it can simulate the complete MIMO transmission channel with up to 16 fading channels, sufficient to emulate higher-order MIMO configurations such as 3x3, 4x4, and 8x2.
DownloadRare faults and intermittent signals are difficult to capture. The R&S®RTO Oscilloscope supports the acquisition and the detailed signal analysis of these signals by using the history mode. The history mode allows the user to look back to previous acquisitions and apply the wide set of analysis functions of the RTO. Furthermore it stores the accurate recoding time of the waveforms for subsequent analysis.
DownloadThe aim of this application note is to provide information regarding Rohde & Schwarz instrument drivers. This paper shall help application engineers and software developers to easily get an understanding of advanced techniques to develop test and measurement (T&M) applications by utilizing Rohde & Schwarz instrument drivers. Furthermore the nomenclature used for Rohde & Schwarz instrument drivers will be explained.
DownloadMultiple Input Multiple Output (MIMO) is an integral part of LTE. Vector signal generators and signal & spectrum analyzers from Rohde & Schwarz support LTE measurements with up to 4 antennas. This Application Note covers 2x2 MIMO in the LTE downlink. Remote control programming is demonstrated by examples for a free-of-charge program.
DownloadPerforming a multi-port calibration of a vector network analyzer (VNA) is straight forward by using either a calibration unit with the corresponding numbers of ports or single calibration standards. This paper shows how to perform a n-port multi-port calibration by using calibration unit with a lower number of ports than available of the vector network analyzer.
DownloadNearly all tests in accordance with the Bluetooth low energy test specification V4.0 [1] can be performed using the R&S® CBT alone. Some tests additionally call for signal generators to provide interference signals. This application note describes the tests performed with additional equipment and presents straightforward solutions based on the R&S® CBTgo software.
DownloadNearly all tests in accordance with the test specification* can be performed with the R&S® CBT alone. Some tests additionally call for signal generators to provide interference signals and also require spectrum analyzers. This application note describes the tests performed with additional equipment and presents straightforward solutions based on the CBTgo software.
DownloadThis application note presents the I/Q Software Interface (R&S K11 option) of the R&S RTO in the context of remote applications. It demonstrates the basic operation, application examples, and an analysis in MATLAB.
DownloadThe oscilloscope is arguably one of the most useful tools ever created for use by electronic engineers. In the more than five decades since the modern analog oscilloscope was created, hundreds of useful documents and thousands of articles have been written about what it is, how it works, how to use it, and application-specific examples of the oscilloscope in action. It is the purpose of this primer to instead describe digital oscilloscopes, which have for practical purposes replaced their analog predecessors in the vast majority of applications.
DownloadThis white paper presents the basic idea behind software defined radio (SDR) and provides an overview of the Rohde & Schwarz radios and further details of SDR test and measurement solutions offered by Rohde & Schwarz.
DownloadThe scope of the subject “radar” has expanded in the recent years in terms of its technical evolution and spreading of applications. This application note along with its corresponding white paper 1MA207 show how to use the R&S radar product portfolio to tackle test and measurement tasks in modern radar technology. Target groups are students who want to become familiar with radar issues as well as radar professionals who want to solve certain test and measurement tasks
DownloadNear Field Communication (NFC) is a new short-range, standards-based wireless connectivity technology, that uses magnetic field induction to enable communication between electronic devices in close proximity. Based on RFID technology, NFC provides a medium for the identification protocols that validate secure data transfer. NFC enables users to perform intuitive, safe, contactless transactions, access digital content and connect electronic devices simply by touching or bringing devices into close proximity. This White Paper gives an overview of NFC uses, NFC technology and signals, RF measurements on NFC units and shows some examples of measurement results using R&S test instruments and special R&S NFC software tools.
DownloadNew wireless applications demand ever increasing data rates from both cellular and noncellular networks. To satisfy these needs in noncellular networks, the IEEE 802.11 (WLAN) standard - the most commonly used standard for wireless local area networks today - is continually being extended. This application note discusses WLAN standard IEEE 802.11n. It first describes the most important amendments to previous releases and the ambitious new measurement tasks. Then, it describes how to deal with these tasks using Rohde & Schwarz instruments. The main focus here is on transmission over several TX and RX antennas (MIMO). Building multistandard signals using Rohde & Schwarz generators is also described. Screenshots from the analyzer taken on 802.11n signals complete the document.
DownloadMultiple input multiple output (MIMO) technology is an integral part of 3GPP E-UTRA long term evolution (LTE). As part of MIMO, beamforming is also used in LTE. This white paper discusses the basics of beamforming and explains the eight MIMO transmission modes in LTE Release 9.
DownloadThis white paper provides a brief technology introduction on the 802.11ac amendment to the successful 802.11-2007 standard. 802.11ac provides mechanisms to increase throughput and user experience of existing WLAN and will build on 802.11n-2009.
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The LTE technology as specified within 3GPP Release 8 was first commercially deployed by end 2009. Since then the number of operators implementing the technology is strongly increasing around the globe. LTE has become the fastest developing mobile system technology. The same way GSM and WCDMA have been enhanced with additional features over time, LTE is continuously worked on. Initial enhancements have been included in 3GPP Release 9 and are described in this white paper.
Multiple input multiple output (MIMO) technology is an integral part of 3GPP E-UTRA long term evolution (LTE). As part of MIMO, beamforming is also used in LTE. This application note provides a brief summary of the transmission modes (TM) in LTE and describes the beamforming measurements for base stations (BS) and user equipment (UE). The T&M options using various Rohde & Schwarz instruments are also presented.
DownloadTETRA, the TErrestrial Trunked RAdio, is the professional mobile radio standard (PMR) used world wide by governmental safety and security authorities and organizations, as well as by private utilities from energy suppliers through to transport. Rohde & Schwarz provide test instruments idealy suited for both the development and production of TETRA base stations and user equipment, as well as for network planning, network coverage and quality of service, network monitoring and optimization, maintenance, and service. This Application Note shows examples for measurements with R&S instruments covering the entire range of TETRA test requirements.
DownloadThis White Paper provides a general overview of different military and commercial radar systems. It also touches some typical measurements challenges on such systems and their components.There is a complementary application note, a new version of the 1MA127 which provides information on radar test and measurement to the main target groups A&D and Automotive. Addtionally it provides an overview of core radar-related products from Rohde & Schwarz.
DownloadThe measurement speed for spurious signal measurements is mainly defined by the spectrum analyzer sweep speed. With traditional swept spectrum analyzers and tight spurious limits the measurement can easily take hours or even a full day. This application note describes the differences in sweep speed between swept spectrum analyzers and modern spectrum analyzers with a wide-band FFT process, and how this improves the measurement speed for general spurious measurement.
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This Application Note describes the differences in intermodulation distortion measurements between traditional spectrum analyzers with analog narrow-band IF signal path and modern spectrum analyzers using a wide-band IF signal path and digital RBW filters.
This document describes the highlights of LTE scanning functionality of TSMW. In an FAQ style, it explains briefly the background of LTE and leads to the important measurements that have to be done in a proper network roll-out.
DownloadHigh Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA) optimize UMTS for packet data services in downlink and uplink, respectively. Together, they are referred to as High Speed Packet Access (HSPA). Within 3GPP Release 7, 8, 9 and 10, further improvements to HSPA have been specified in the context of HSPA+ or HSPA evolution. This White Paper introduces key features of HSPA+ and outlines the changes to the radio interface.
DownloadNearly all tests in accordance with the Bluetooth low energy test specification V4.0 [1] can be performed using the R&S®CBT alone. Some tests additionally call for signal generators to provide interference signals. This application note describes the tests performed with additional equipment and presents straightforward solutions based on the R&S®CBT go software.
DownloadPOLQA® (Perceptual Objective Listening Quality Assessment) is the next-generation mobile voice quality testing standard according to recommendation ITU-T P.863 and has been especially developed for the super wideband requirements of HD Voice, 3G, VoLTE (4G), VoHSPA and VoIP.
DownloadThis white paper summarizes the technology options for supporting voice and short message service (SMS) in LTE, including circuit switched fallback (CSFB), SMS over SGs, and voice over LTE (VoLTE). It includes background information on the standardization process, and the commercial implications for the different options. The white paper also addresses test and measurement requirements resulting from the support of voice and SMS in LTE.
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