Probes offer measurement bandwidth of up to 200MHz

23rd January 2018
Posted By : Mick Elliott
Probes offer measurement bandwidth of up to 200MHz

High voltage differential probes from Rohde & Schwarz are designed for complex measurements on state-of-the-art power electronics with voltages up to 6000V. The R&S RT-ZHD probes offer a measurement bandwidth of up to 200MHz, a high common mode rejection ratio (CMRR) and DC measurement accuracy of 0.5%.

Rohde & Schwarz has also released cost-efficient, high voltage differential probes with a 25MHz bandwidth and very low inherent noise – ideal for general applications.

Demand in the automotive industry for compact, highly efficient switched-mode power supplies, inverters and electric drives necessitates the use of leading-edge semiconductor components.

The high voltage differential probes from Rohde & Schwarz enable measurements with outstanding signal integrity and are for use with the new R&S RTM3000 and R&S RTA4000 embedded oscilloscopes.

The RT-ZHD high voltage differential probes are ideal for measurements on modern power semiconductors.

With a bandwidth of up to 200MHz, they can even measure very fast switching edges.

The common mode rejection across the entire frequency range effectively suppresses fast-switching common mode signals.

There are four different models with maximum peak voltages from 750V to 6000V.

The integrated offset compensation operates independently of probe attenuation and the oscilloscope’s vertical settings. This makes it possible to measure even very small ripple voltages with a large DC component.

Thanks to an offset compensation of up to 2000V, the probes cover a very large range of measurement applications.

The probes feature an integrated R&S ProbeMeter that measures DC offset with ± 0.1% accuracy. The readings are displayed directly on the oscilloscope.

Complete integration of the R&S RT-ZHD probes into the user interface of Rohde & Schwarz oscilloscopes eliminates erroneous readings.

The oscilloscopes automatically recognize the configured attenuation factor as well as all other probe settings, so they always display the correct voltages and reliably detect incidents such as overvoltage.

Probe functions can also be accessed via the SCPI remote control interface, making the probes a good choice for automated tests.

The R&S RT-ZHD probes are compatible with both the new R&S RTM3000 and R&S RTA4000 embedded oscilloscopes as well as the Windows-based R&S RTE1000 and R&S RTO2000 oscilloscopes.

Two other additions are the R&S RT-ZD002 and R&S RT-ZD003 differential probes with maximum input voltages up to 700V and 1400V, respectively.

These 25MHz probes boast very low inherent noise for their class of around 7mV (RMS) and 14mV (RMS), respectively. Their BNC interface makes them a perfect fit for R&S RTC1000, R&S RTB2000 and all standard oscilloscopes.


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