A high-definition oscilloscope with higher performance has been released by Yokogawa Test & Measurement.
500 MHz and 350 MHz frequency bandwidth models are available that deliver higher resolution for more accurate waveform analysis.
The growing emphasis in recent years on the need to make motors, inverters and clean energy-related products such as solar power generation devices more energy efficient has created a need for change in the power electronics industry, where the increase in applications for and production of next-generation power devices utilizing silicon-carbide (SiC) technology is driving the need for ever greater measurement precision. With its support of multi-channel measurement and its improved resolution on the vertical axis, the DLM5000HD series meets these needs.
The series includes two 8-channel models and two 4-channel models, all of which offer 12 bit vertical resolution that is 16 times higher than that of the existing DLM5000 series, for greater accuracy in waveform observation.
This is particularly beneficial for developers of next-generation inverters, enabling the accurate observation of minute changes in high-speed signals. This allows the detection of phenomena that can cause unexpected anomolies.
Another useful feature of the DLM5000HD series is that the time-saving serial bus analysis auto-setup function, which automatically sets the optimal bit rate and threshold level, can now also be used with previously captured waveforms. This means that auto-setup can even be used for low-frequency signals, improving the efficiency of in-vehicle bus development and evaluation work.
The DLM5000HD series is able to store up to 1 billion points of acquired data, allowing users to store history data on up to 200,000 captured waveforms as history waveforms. In addition to doubling the number of waveforms that can be searched and compared using the long memory, this means a single device can measure the behaviour of braking systems and other apparatus that needs to be captured at a high sampling rate for several milliseconds, improving the efficiency of evaluation and analysis work.
Measurements can be captured with up to 16 analogue channels and 64 bits of logic (eight 8-bit logic channels) by using the dual-unit synchronous measurement (DLMsync) function to operate two 8-channel units. This allows the simultaneous measurement of both analogue and logic signals to analyse numerous power-on sequences while debugging an electronic control unit.
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