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  • Testing battery management systems with Rohde & Schwarz power supplies

    Testing Battery Management Systems With Rohde&Schwarz Power Supplies

  • Power consumption analysis with the Rohde & Schwarz specialty DC power supplies

    Power consumption analysis with the Rohde & Schwarz specialty DC power supplies app card

  • Logging and Charting Tool for Power Supplies R&S® NGM200 and R&S® NGL200

    This application note demonstrates the logging and fast logging functionality of the power supply R&S® NGM. Standard logging is also supported with power supply R&S® NGL. The associated application program provides charting functionality for logged voltage, current and power values.

  • Remote control of multiple DC power supplies R&S®NGL200 and R&S®NGM200

    Applications requiring higher voltages or currents, or a stack of voltage sources with taps in-between, demand the combination of several DC power supply channels in series or in parallel.All channels of DC power supplies R&S®NGL200 and R&S®NGM200 are isolated against the grounding equipment conductor and against the digital ground of the instrument. Therefore, channels can be connected in parallel for increasing the current capability, or in series for achieving higher voltages or dual-voltage supplies.When a large number of power supply channels is used, it is desirable to have a tool for configuring all instruments and channels from one user interface, and for keeping an overview over the states and measurement values from all channels.The application program of this application note provides such a tool. The document contains background information and user manual for the software.

  • Power converter efficiency

    Measuring efficiency with highest accuracy

  • Rohde & Schwarz Drivers under VEE - Installation and Troubleshooting

    The use of Rohde & Schwarz device drivers under VEE software is not complicated. However, a number of factors are involved, the errors that occur are often difficult to diagnose. This application provides easy and detailed support for installation and troubleshooting using National Instruments or Agilent GPIB boards.

  • GDE Test Sequencer

    GDE (= Generic Demonstration Engine) is a easy-to-use, free-of-charge remote control command sequencer tool. The big advantage is that the test description is stored in a simple, easy-to-read text file, and loaded in GDE at runtime. This makes it very easy to modify tests by the user or add additional tests to already existing test solutions without redistributing big setup files.

  • Doherty, Balanced, Push-Pull & Spatial Amplifier Performance Enhancement

    The Doherty Amplifier continues to be rolled out in an increasing number of TxFE (Transmit Frontend) applications, as the quasi-linear amplifier architecture of choice.The advent of 5G, with its inevitable microwave or millimeter wave air interface, increase the design challenges associated with its construction; not least of all because of the potential for increased dispersion in the constituent amplifiers and combiners.This application note describes a measurement-based development methodology by which the Doherty Amplifier may be enhanced, increasing performance and/or performance bandwidth. This methodology is supported with a working example.The methodology may also be extended to balanced, spatially combined and anti-phase (so called "pushpull" or "differential") amplifiers, the latter often itself nested in Doherty configurations.The R&S®Quickstep sequencing software may be downloaded from:https://www.rohde-schwarz.com/software/quickstep/

  • 10 Tips & Tricks on how to use Rohde & Schwarz LabVIEW Instrument drivers

    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.

  • Switching outputs of multiple DC power supplies R&S®NGL200 / R&S®NGM200

    All channels of DC power supplies R&S®NGL200 and R&S®NGL200 are isolated against the grounding equipment conductor and against the digital ground of the instrument. Therefore, channels can be connected in parallel for increasing the current capability, or in series for achieving higher voltages or dual-voltage supplies. In the case of parallel and serial connections it is usually desired to switch all channels simultaneously on and off for protecting the supplied circuitry and for avoiding overcurrent on other power supply channels.This application note describes how to connect and configure DC power supplies R&S®NGL200 and R&S®NGL200 for synchronized on and off switching of all channels across multiple power supplies.

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