This application note offers a straightforward description of how to analyze EMI problems using the Rohde & Schwarz Oscilloscopes. The discussion begins by covering the basic mechanisms that can result in unwanted RF emissions and then describes how to proceed in analyzing EMI problems. Finally, a practical example is given to illustrate the analysis process.

25-Jun-2014 | AN-No. 1TD05

This application note describes the different memory types and locations that user information can be stored in a spectrum analyzer R&S® FSP, R&S® FSU or R&S® FSQ, as well as the different ways in which it can be erased/cleared for security reasons.

20-Sep-2004 | AN-No. 1EF53

The R&S®FPS-K18 amplifier measurement option in combination with the R&S®FPS signal and spectrum analyzer and the R&S®SGT100A SGMA vector RF source enables high-speed amplifier characterization.

13-Jun-2016

RF physical layer specifications (such as 3GPP TS36.104) describe a variety of requirements that the end equipment needs to meet. This application note provides insight into some of these specifications and how test & measurement equipment can simplify the task of deriving requirements for RF sub-systems.

10-Apr-2013 | AN-No. 1MA221

Most of the tests specified in standard TS 34.121 [1] for 3GPP Rel-5 can be performed with R&S®CMU200. This document provides a step by step guide on how to perform Rel-5 measurements on transmitter characteristics, receiver characteristics and performance tests according to TS 34.121 V8.7.0 clauses 5, 6 and 9 with standalone R&S®CMU200. Test cases that require additional instruments, e.g. fading generator (R&S®SMU200A or R&S®AMU200A) will be discussed in brief in this application note with recommended reference. A set of *.sav files based on R&S®CMU200 firmware V5.03 for UE supporting operating band I with power class 3 in RMC 12.2 kbps + HSDPA is attached to this application note.

13-Oct-2009 | AN-No. 1CM72

For NB-IoT applications to function correctly, sufficient network coverage is required. Coverage must be measured to ensure a robust NB-IoT connection. Rohde & Schwarz mobile network testing provides a unique combined test solution that accurately measures the DL coverage using network scanners. It measures the device/network interaction, UL behavior, protocol, signaling load and energy efficiency during communications using NB-IoT devices connected to R&S®ROMES.

20-Feb-2018

This application note describes the configuration of a Miracast wireless video transmission system and how to measure the delay times between a smart phone or tablet (source) and a television / monitor (sink) display. The accompanying software for Windows 7/8/10, Mac OS X 10.x and MATLAB additionally allows to measure the delay until the video signal is transmitted over the air and optionally until it is available on the HDMI cable of an external Miracast receiver.

01-Oct-2015 | AN-No. 1MA250

From designing a test setup to performing accurate measurements

Double-Pulse testing is a standard test-method used in power electronics design. Accurate measurements require a careful design of the test setup and the selection of the right measurement instruments. This application note discusses important aspects of double-pulse test setups as well as how to perform accurate measurements.

22-Mar-2021 | AN-No. GFM347

This document answers frequently asked questions regarding Rohde & Schwarz Broadband Amplifiers. It describes remote operation and monitoring of the R&S® Broadband Amplifier series through a standard web browser.

04-Nov-2016 | AN-No. 7TA1

Antennas have become an integral part of consumer electronics, even in small portable devices that rely on an energy source with limited capacity. Consequently, antennas need to be physically small and power efficient.

05-Mar-2020

With continuously increasing data rates, signal integrity in high speed digital designs becomes more and more demanding

08-Jul-2022

The purpose of the test setup described is to ensure or to enhance the level accuracy of signal generators or the generator part of communication testers. The level accuracy of test signals is particularly important at low levels when measuring BER level sensitivity at digital communication receivers. The highly linear FSP spectrum analyzer is used in combination with a power meter to get the best possible accuracy with high measurement speed over a very wide level range.

18-Feb-2011 | AN-No. 1MA21

Your measurement task: To analyze an RF module via its digital interface. This Application Note explains how. As interfaces between the baseband and the RF modules of mobile radio base stations and terminals are increasingly digital, instruments for testing such modules need digital baseband interfaces as well. The R&S®EX-IQ-Box is a digital interface adapter that provides digital baseband I/O for Rohde & Schwarz signal generators and signal analyzers. An R&S signal analyzer with digital baseband interface R&S®FSQ-B17 can analyze digital baseband components input from the R&S®EX-IQ-Box. Data collected with a test-setup consisting of an R&S signal analyzer and the digital interface adapter R&S®EX-IQ-Box can be used in an Agilent ADS environment. For details of how to input the results to ADS, see Application Note 1MA72: 'Using R&S® Instruments within Agilent®ADS®Software'

26-Jun-2009 | AN-No. 1MA147

This Application Note introduces HSDPA technology and test and measurement requirements according to 3GPP release 5 specifications. Important HSDPA measurements and example applications are illustrated by means of Rohde & Schwarz products.

01-Feb-2005 | AN-No. 1MA82

The R&S®SMC100A signal generator offers a remote emulation feature that makes it possible to control the instrument by commands other than the built-in native SCPI commands. This feature allows the user to replace signal generators, e.g. from other manufacturers, with the R&S®SMC100A without having to change the remote control code. This application note describes how to use the remote emulation feature in general. Furthermore, it describes in detail the remote emulation for each supported instrument, limitations of the individual emulations and the remaining differences between the emulated and the original commands.

28-Feb-2012 | AN-No. 1GP90

Remote control of test and measurement equipment with a serial interface is limited to PC’s located in close proximity determined by the length of a typical serial cable connection (several feet). Usage of terminal server allows connecting through LAN or WAN networks thus controlling the instrument from further away even around the globe. The terminal server interfaces between TCP/IP protocol and the RS232 line. This application describes set-up of a popular terminal server from Black Box® Corporation to remotely and conveniently control the instruments EFA with EFA Scan software and DVRM or DVMD with Realtime Monitor / Stream Explorer software through a LAN or WAN network.

07-Jul-2003 | AN-No. 7BM41

This Application Note gives 10 useful Tips & Tricks for the users of Rohde & Schwarz attribute-based instrument drivers. It is recommended for the first-time LabVIEW users as well as for the experienced programmers.

30-Jan-2017 | AN-No. 1MA228

The R&S®Pulse Sequencer software offers an easy way to simulate moving radar emitters and a moving receiver for EW receiver tests. The software together with the R&S®SMW200A vector signal generator is a powerful radar simulator. It enables engineers to generate highly dynamic 3D scenarios in the lab.

18-Sep-2018

The battery cycle tool has several charts that display collected data and can be used to characterize battery samples and create battery models.

02-May-2023

An FSE Spectrum Analyser equipped with the Vector Signal Analysis option (FSE-B7) can measure oscillator settling time or transmitter attack and release times with high accuracy up to 40 GHz. No additional measurement equipment is needed.

12-Feb-1999 | AN-No. 1MA15

Measuring cable characteristics is important when it comes to installing and servicing cable TV systems. Cable pinches or poor connections considerably influence the characteristics of cable TV systems. This document shows how the measurement is carried out in a 75 Ohm system. The basics of distance-to-fault measurements, the test setup, calibration and measurement are discussed.

21-Sep-2006 | AN-No. 7BM60

This application note describes the use of R&S®GTSL and R&S®EGTSL in a .NET programming environment. It shows the user how libraries and drivers generated using the C programming language can be used in applications based on .NET technology.

08-Mar-2016 | AN-No. 1SE001

This application note and associated application software may be used to conduct psychoacoustic speech quality evaluation for Voice over LTE (VoLTE) connections. The measurements are based on recommendations ITU-T P.862 and ITU-T P.863, respectively.

21-Feb-2014 | AN-No. 1MA204

Rohde & Schwarz recognizes the potential risk of computer virus infection when connecting Windows®-based test instrumentation to other computers via local area networks (LANs), or using removable storage devices.This white paper introduces measures to minimize malware threats and discusses ways to mitigate risks while ensuring that instrument performance is not compromised.

16-Feb-2017 | AN-No. 1EB01

Many applications in aerospace and defense as well as in mobile communication require a defined magnitude and phase relation between several signals, for example, to design a smart antenna array and it's distribution network, or to ensure accurate phase alignment between different transmitter or receiver chains of T/R modules. Magnitude can be measured with spectrum analyzers or power meters. For phase measurements, a vector network analyzer is the easiest, fastest and most accurate instrument.This application note shows how to measure the phase accurately between several signals using vector network analyzers of the R&S®ZNA, R&S®ZNB and R&S®ZNBT families.

11-Jul-2019 | AN-No. 1EZ82

Monitoring solutions for operators of security radio networks for police, rescue services, ambulances, fire brigades and radio and TV broadcasting transmitters and other regional and national services.

04-Sep-2006

This application note describes the principle of harmonic mixing and the requirements to be met by spectrum analyzers and external mixers.

05-Mar-1999 | AN-No. 1EF43

Application note 1MA25 has been replaced by application note .

28-Aug-2009 | AN-No. 1MA25

Vector network analyzers are used in high frequency applications to measure the complex scattering parameters of an unknown device-under-test (DUT). In general, the DUT characteristics can be evaluated by using electromagnetic waves. The correlation between the incident, reflected and transmitted wave quantities at the DUT is defined by its scattering matrix S.

28-Jul-1998 | AN-No. 1EZ30

The ‘Data Reduction’ sequence step is an essential part of an EMI Auto Test since it evaluates the relevant frequencies at which the final measurements are to be done. The intention of this application note is to make the data reduction data flow more transparent (contents of input and output tables) and how the parameters (location and relations) influence the evaluation algorithm.

16-Nov-2011 | AN-No. 1SP02