From digital home electronics to automobiles, a boom has recently occurred in various industries that use embedded systems in which functionality is achieved through processors and software. Even if the I/O to and from a system is an analog signal such as a sensor or voice transducer, the processor handles the A/D-converted digital signal. In order to debug these types of systems, we are now seeing an increasing need to interpret the digital signals and confirm the corresponding action.

Given this need, we have developed the DLM2000 series of mixed signal oscilloscopes which are compact, lightweight, portrait-shaped (293 mm (H) × 226 mm (W) × 193 mm (D), 4.5 kg, see figure 1) models that inherit the shape of our conventional DL1000 series. The DLM2000 comes standard with 8-bit logic, and offers advanced waveform display performance with waveform analysis functions.

The name “DLM2000” represents the familiar “DL” series plus mixed analog/digital system analysis (a mixed-signal oscilloscope), hence the “M.”

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Mixed Signal Oscilloscopes

A mixed signal oscilloscope is an instrument enabling the simultaneous, time correlated observations and analysis of analog with digital (logic) signals, to establish causal relationships between the various areas of a device's electronics. They are purpose-built tools for troubleshooting electrical anomalies, measuring parametric values, and monitoring cause and effect relationships between signals.


Oscilloscopes are a common type of test instrument used to capture, analyze, and troubleshoot electrical or real world physical signals. Oscilloscopes observe the change of electrical signals over time, continuously graphed on a display as voltage or amplitude vs. time.