Test & Measurement

High-definition scopes come in 500MHz and 350MHz models

13th September 2023
Mick Elliott

The DLM5000HD series high-definition oscilloscopes from Yokogawa Test & Measurement are positioned as a high-performance version of the DLM5000 series.

These new instruments expand Yokogawa’s oscilloscope lineup with 500 MHz and 350 MHz frequency bandwidth models that deliver higher resolution for more accurate waveform analysis, and come with features that improve usability and enable easier setup.

The DLM5000HD series consists of two 8-channel models (500 MHz DLM5058HD and 350 MHz DLM5058HD) and two 4-channel models (500 MHz DLM5054HD and 350 MHz DLM5034HD).

12-bit vertical resolution that is 16 times higher than that of the existing DLM5000 series enables 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, which is twice that of the DLM5000 series.This allows 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 apparatuses that needs to be captured at a high sampling rate for several milliseconds, improving the efficiency of evaluation and analysis work.

As with the DLM5000 series, measurements can be captured with up to 16 analog 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 analog and logic signals to, for example, analyse numerous power-on sequences while debugging an electronic control unit.

Target markets include Car electronics; Power electronics such as electronic devices, inverters, and power generation devices; Electronics such as household appliances and air conditioners; and Mechatronics such as industrial devices.

Applications cover Design and assessment of electric and electronic circuits; Development and debugging of semiconductors, electronic devices, and embedded firmware; Simultaneous measurement of analogue signals and bus signals based on the CAN, CAN FD, and other in-vehicle standards; Analysis of power and confirmation of the operation of power electronics; and Simultaneous measurement and assessment of high-speed signals and signals that fluctuate very little (for example, communication signals and mechatronics signals)

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