Measure Rapid Voltage Changes Up To 4 kV

High-Voltage Probe Measure Rapid Voltage Changes Up To 4 kV

2025-08-27 From Hendrik Härter | Translated by AI 1 min Reading Time

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The PHVX4kV probe enables precise voltage measurements up to a bandwidth of 600 MHz. According to the manufacturer, this allows for rapid voltage changes in SiC and IGBT components.

Rapid voltage changes in SiC and IGBT components can be measured with the PHVX4kV high-voltage probe. This is possible with bandwidths up to 600 MHz.(Image: PMK Measurement and Communication Technology) — Rapid voltage changes in SiC and IGBT components can be measured with the PHVX4kV high-voltage probe. This is possible with bandwidths up to 600 MHz.
(Image: PMK Measurement and Communication Technology)

For electronics developers in the field of measurement technology working with modern power electronics applications, PMK offers the high-voltage probe named PHVX4kV. This passive probe is specifically designed for high-voltage applications up to Hochspannungs-Tastkopf and stands out with a bandwidth of over 600 MHz and a low capacitive load of less than 3 pF. These features are crucial for precise voltage measurements in demanding, high-frequency switching environments.

Transients And Switching-Related Effects Without Distortions

The PHVX4kV is an indispensable tool for analyzing SiC, IGBT, and other wide bandgap (WBG) components. Especially during LS-VDS measurements as part of double-pulse tests, it enables precise capture of fast transients with high accuracy. This is particularly important, as power electronics engineers need to measure transients and switching-related effects without distortions.

The probe is also well-designed with regard to user-friendliness. Its robust, compact design is suitable for both automated and manual test setups. A modular connection system with interchangeable tips provides flexible connection options and is also suitable for complex test points. The standard BNC output ensures compatibility with 1 MOhm input circuits of oscilloscopes.

Compared to existing probes on the market, which often cap at bandwidths of 400 MHz or have an input capacitance of over 10 pF, the PHVX4kV strikes a balance. This allows the probe to provide cleaner measurements over a broader voltage and frequency range than alternative solutions, which often obscure transients or distort switching measurements.

With the introduction of the PHVX4kV, PMK is once again setting benchmarks in high-voltage measurement technology, providing engineers with the ability to fully exploit the potential of modern power electronics. Developers now have a tool at their disposal that enables them to further explore innovative approaches and comprehensively evaluate their capabilities. (heh)

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Date: 08.12.2025

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