Press releases


PCIM Europe 2019: Rohde & Schwarz presents T&M solutions for power electronics

T&M industry leader Rohde & Schwarz will present its family of oscilloscopes and power supplies for power electronics applications at PCIM Europe International Exhibition and Conference from May 7 to 9, 2019, in Nuremberg. Highlights include high-sensitivity oscilloscopes with fast FFT functionality for EMI debugging in fast switching applications as well as the new Bode plot functionality integrated into oscilloscopes for control loop stability testing.

Rohde & Schwarz will display the R&S RTM3000 and R&S RTA4000 oscilloscopes under the banner "Three tasks in one device"
Rohde & Schwarz will display the R&S RTM3000 and R&S RTA4000 oscilloscopes under the banner "Three tasks in one device"

The presented Rohde & Schwarz oscilloscopes focus on the increasing challenges and stringent requirements for power electronics measurements. The T&M expert will attend PCIM Europe 2019 and present a selection of the available solutions. Under the banner "Three tasks in one device", Rohde & Schwarz will display the R&S RTM3000 and R&S RTA4000 oscilloscopes, each of them focusing on three important application areas concerning power electronics design.

EMI debugging

Increasing switching speed in power electronics involves the risk of higher electromagnetic interference (EMI), turning EMC compliance into a challenge. Thanks to the fast and easy to use FFT functionality, the R&S RTM3000 and R&S RTA4000, like all Rohde & Schwarz oscilloscopes, are particularly useful for EMI optimization on power supplies. They can correlate electromagnetic emissions in the frequency domain with the corresponding signals in the time domain, allowing a deeper insight into the root-cause of unwanted emissions. This helps developers minimize unwanted EMI from switched-mode power supplies right on the lab bench.

Analysis of switching events

The R&S RT-ZHD high-voltage differential probe family and the R&S RT-ZD10 broadband differential probe enable accurate analysis of the switching operation in power electronics designs. Both the R&S RTM3000 and R&S RTA4000 are high-resolution oscilloscopes that offer 10-bit vertical resolution and ultra-deep memory, allowing longer periods of time to be captured at full bandwidth.

Control loop stability

The R&S RTx-K36 Bode plot option for the R&S RTB2000, R&S RTM3000 and R&S RTA4000 oscilloscopes enables control loop stability tests on switched-mode power supplies without the need for separate test equipment. In addition, it allows the characterization of filters and amplifier circuits as well as measuring the power supply rejection ratio (PSRR). The option uses the oscilloscope's built-in waveform generator to create stimulus signals for the DUT. It displays the results as a Bode plot or in a table.

Other instruments on display at the Rohde & Schwarz booth are the R&S NGL200 power supply and the R&S Scope Rider. The new R&S NGL200 power supply series was designed specifically for challenging applications that require high accuracy and fast load recovery times. The R&S Scope Rider is a handheld oscilloscope with up to four isolated input channels with CAT IV 600 V / CAT III 1000 V rating offering lab performance in a portable design.

Rohde & Schwarz can be found in hall 6 (booth 246) at the PCIM Europe International Exhibition and Conference from May 7 to 9, 2019, in Nuremberg. For more information on T&M solutions for power electronics, visit: www.rohde

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Rohde & Schwarz

The Rohde & Schwarz technology group is among the trailblazers when it comes to paving the way for a safer and connected world with its leading solutions in test & measurement, technology systems, and networks & cybersecurity. Founded more than 85 years ago, the group is a reliable partner for industry and government customers around the globe. On June 30, 2022, Rohde & Schwarz had around 13,000 employees worldwide. The independent group achieved a net revenue of EUR 2.53 billion in the 2021/2022 fiscal year (July to June). The company is headquartered in Munich, Germany.

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