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Application Notes for R&S®RTM3000

Learn how to configure Rohde & Schwarz products to fit your application.

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18 Results

Efficiency Measurement of a 3-Phase Inverter for a BLDC Motor

This application note introduces the reader to the SpaceX Hyperloop Pod Competition project and their special demands for the electrical drive train. Common motor technology like brushless motors and their typical control methods widely used in the industry are also discussed within this document.However, the main focus of this paper is a demonstration of a power measurement method of a three-phase inverter by means of a 4-channel oscilloscope. Not only the theory of the power measurement is presented but also the conducted measurement is presented including tips and tricks to obtain the best measurement results.The measurement solution provided by Rohde & Schwarz was mandatory for the TUM Hyperloop team to overcome challenges in optimization of the electrical drive train used in the SpaceX Hyperloop Pod Competition project.Many thanks to Mr. Johannes Ungar and Faruk Centinkaya (TUM Hyperloop) for contributing significantly to this application note. By combining their expertise in electrical drive trains used in the Hyperloop Project and with a Test & Measurement solution from Rohde & Schwarz, we have achieved synergies that will be beneficial for any design and test engineers in the industry.

31-Mar-2021 | AN-No. GFM360

Tips & Tricks on Double-Pulse Testing

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

Power integrity measurements with R&S®RTM3000 and R&S®RTA4000 oscilloscopes

Make more accurate power rail measurements.

09-Jul-2020

Measurement Characteristics of an Automotive LED Driver Based on a Hybrid Controller

This application note describes different measurement techniques and methods for an automotive lighting module based on a hybrid controller design. Of course, a lighting module in such an environment has to fulfil requirements according to the automotive standard, which is typically a relatively high-level standard compare to the industry standard. The oscilloscope is a perfect tool for this application to verify the set of requirements because time domain signals (analog and digital) are present in the whole design. Furthermore, measurements in the frequency domain have to be performed, which a modern oscilloscope can fulfil. In addition to the oscilloscope, a programmable power supply supports the measurement in several measurements. The set of requirements are the main reason why a hybrid controller from Microchip is a great choice for this design because it provides tremendous analogue and digital capabilities. The hybrid controller provides beside the analogue functions like an operational amplifier digital functions like analog-to-digital converter and interface functions like UART, CAN or LIN to interact with other systems. The programmable software part is hosted in the digital part. The digital part of the controller implements the communication interface and provides status information to the outer system controller. The light source itself has to avoid any flicker and shall be capable to dim to different lighting levels. Wide input voltage variations and efficiency have to be taken into account during the design of a converter dedicated for automotive applications. Nevertheless, the measurement considerations presented with the design are valid and applicable in other professional lighting industries as well.Thanks to Mr. Andreas Reiter and Mr. Milan Marjanovic from Microchip who provided us with hardware and software and their great expertise to create this application note.

08-Jun-2020 | AN-No. GFM339

Analyze pulse width modulated signals

With a Rohde & Schwarz oscilloscope

25-Sep-2019

Shorten power electronics development using an oscilloscope for EMI debugging

Oscilloscopes are the workhorses for power electronics engineers. With powerful and easyto- use FFT analysis capabilities, their application fields extend to EMI debugging – and that saves a lot of time and money. A typical task is verifying the effectiveness of an EMI filter – early in the development phase.

23-Sep-2019

Power supply soft‑start analysis

Soft-start verification is becoming a major concern for modern switching mode power supplies due to the increasing use of digital controllers. The R&S®RTM3000 and R&S®RTA4000 oscilloscopes offer pulse width modulation (PWM) track analysis functionality, which is a great feature for verifying and optimizing soft start during development.

09-Jul-2019

Tips and Tricks on how to verify control loop stability

This application note describes how to measure the control loop stability of switch-mode power supplies to get the best performance and confidence of the design. It will explain the main measurement concept and will guide the user during the measurements and mention the main topics in a practical manner. Wherever possible, a hint is given where the user should pay attention to it to avoid weak measurements. The Rohde and Schwarz buck converter reference board was designed in collaboration with Texas Instruments and is used to illustrate the closed loop measurement in a practical manner.

01-Jul-2019 | AN-No. GFM321

Stability analysis of DC/DC converters in the frequency domain

With a Rohde & Schwarz oscilloscope

19-Jun-2019

Analyze passive low frequency components

With a Rohde & Schwarz oscilloscope

31-Dec-2018

Power supply control loop response measurements (Bode plot)

With a Rohde & Schwarz oscilloscope

29-Dec-2018

Power supply rejection ratio measurement (PSRR)

With a Rohde & Schwarz oscilloscope

18-Dec-2018

Using R&S®Forum Application for Instrument Remote Control

Miloslav Macko 1MA196 1MA196, Forum, Instrument, Remote, Control, Python, R&S Forum, RS Forum, R&SForum, RSForum R&S®Forum for Instrument Remote Control Using R&S®Forum Application for Instrument Remote Control Miloslav Macko 1MA196 1MA196, Forum, Instrument, Remote, Control, Python, R&S Forum, RS Forum, R&SForum, RSForum R&S®Forum for Instrument Remote Control Related products

28-Jun-2018 | AN-No. 1MA196

Analyzing common mode noise of EPS for flawless touchscreen operation

Modern, capacitive touchscreens as used, for example, in mobile phones are susceptible to common mode noise exhibited by external power supplies (EPS).

17-May-2018

Power integrity measurements with R&S®RTM3000 and R&S®RTA4000 oscilloscopes

Make more accurate power rail measurements.

03-Jan-2018

RSCommander

Versatile Software Tool for Rohde & Schwarz Instruments

RSCommander is a versatile software tool for a wide range of Rohde & Schwarz spectrum-, network analyzers, signal generators and oscilloscopes. It allows for automatic instrument discovery, making screenshots, reading traces, file transfer and simple script creation.

24-Dec-2017 | AN-No. 1MA074

Oscilloscopes: Why deep memory matters

What are the two key benefits of oscilloscopes with deep acquisition memory?

13-Dec-2017

Fast analysis of sporadic errors with segmented memory and history function

Long acquisitions at maximum resolution with the history function

01-Dec-2017

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