Featured Articles

  1. Simplify Coexistence And Interference Testing For GNSS Receivers 2/27/2020

    The R&S®SMW200A GNSS simulator offers an easy and convenient way to test your receiver design against a wide variety of potential interferers and jammers. Test cases extend from simple coexistence simulations to complex interference scenarios with localized emitters.

  2. GNSS Receiver Stimulation On Automotive Test Beds For Self-Driving Cars 2/27/2020

    Integrating the R&S®SMBV100B GNSS simulator into the AVL DRIVINGCUBE™ toolchain creates new possibilities for validating advanced driver assistance systems and autonomous driving functions at the vehicle level. Combining a complete vehicle on a vehicle test bed with physical sensor stimulation results in fast, reproducible and cost-efficient testing. All possible driving scenarios can be executed under realistic and safe conditions.

  3. NPR Measurements On Satellite Signals 1/29/2020

    Noise-Power-Ratio (NPR) measurements are used to characterize the performance of power amplifiers for satellites or other multi-channel communication systems. This application note covers information on how to perform NPR measurements with spectrum analyzers, and how the R&S®FSW spectrum and signal analyzer offers an automated function for NPR measurements.

  4. T&M Solutions for Software Defined Radios (SDR) 1/9/2020

    This document provides an introduction to SDR as used for military radios and presents the relevant T&M solutions offered by Rohde & Schwarz.

  5. Testing Passive Remote Keyless Entry Systems 12/2/2019

    Due to recent security concerns, ultrawideband (UWB) technology is making its way into automotive key fobs. Rohde & Schwarz offers a flexible test solution for the high demands of R&D and high-throughput production environments. This application note discusses flexible solutions that cover all testing technologies and fulfill the high requirements of interference-free function testing in development and production.

  6. MIL-STD-461 Testing Advantages Using Time Domain Scan EMI Receivers 10/24/2019

    This application note compares the measurement speed and level measurement accuracy of a conventional swept frequency spectrum analyzer against the speed and accuracy of advanced time domain scanning. 

  7. Components For 5G - What Is New? 10/16/2019

    With the next big step in mobile communication, 5G will introduce new RF techniques, new frequencies and signal bandwidths. Ultimately, 5G New Radio (5G NR) will bring higher speed, reduced latency, more capacity and improved reliability. While the system parameters will change, the hardware to enable the new major step in mobile technology towards 5G NR will be different as well. New technologies will be deployed and designs have to follow the new requirements.

  8. Functionality Testing Of Automotive Infotainment Devices 9/27/2019

    Modern day vehicle interactivity takes place on the centrally placed touchscreen head unit display (HUD) on the car dashboard and their infotainment systems have become a central hub for a wide range of vehicular functionality. These systems provide driver entertainment and information by integrating different functions. Examples include in-vehicle connectivity with wireless devices and connecting with external communications, transmission, radio and satellite network providers. This article discusses the challenges of functionality testing in automotive infotainment devices and presents a test and measurement solution.

  9. Excellence In Automotive Ethernet Solutions 8/15/2019

    Ethernet is used in automotive networks to enable fast and cost-effective data communications. The automotive industry has specified the OPEN Alliance BroadR-Reach® (OABR) physical layer as the automotive Ethernet communications standard. It runs on standard FlexRay™ cabling and is used for high-speed communications such as audio or video streaming or for advanced driver assistance systems (ADAS). 100BASE-T1 uses full duplex communications, enabling up to 1Gbit/s to be transferred over one twisted pair. The R&S®RTO oscilloscope together with the R&S®ZND vector network analyzer (VNA) is the ideal solution for 100BASE-T1 compliance testing due to its superior signal fidelity and automated test and reporting execution capability.

  10. Doherty, Balanced, Push-Pull, And Spatial Amplifier Performance Enhancement 8/7/2019

    This application note presents a hybrid simulation-/measurement- based development methodology used to achieve enhanced amplifier performance with linear form of pre-distortion. The approach shown may be combined with DPD to achieve an even better result. It may also be used to lower DPD requirements.