Digital Oscilloscopes DL9000 Series

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Affordable Performance for 500 MHz/1 GHz /1.5 GHz BW Measurements	History Memory with Fast Signal Acquisition	Security for Confidential Tests
A Small Footprint Means More Room on Your Bench for the DUT	Flexible Acqusitions	History Replay
ADSE Offers Two Fast Signal Acquisition Modes	Search Function	Dot Density Display

Flexible Acqusitions

The DL9000 signalXplorer is Yokogawa's 10(X)^th generation digital oscilloscope. It allows

users to select the most appropriate memory setting for a given measurement and then acquires and displays long and short memory records quickly, saving the waveforms to its segmented memory. Advanced memory handling ensures that you get all the benefits of a long memory scope regardless of the record size you allocate for each acquisition. This is made possible by the state-of-the-art ADSE (advanced data stream engine) ASIC.

Burst signal capture scheme
Short memory acquisitions

Example of shorter memory acquisitions (I²C SDA signal capture): by skipping portions of a signal which contain no information, many frames can be acquired in the memory.

Mega word signal capture example (TV composite signal): 1 whole TV frame can be captured without losing detail.

History Replay

When acquisition stops and there are more than two acquisitions in memory, the HISTORY key is illuminated. At that time, you can use the rotary knob to view every single acquisition in memory, one-by-one, and look for an anomaly. The new History Replay function allows you to play back the waveforms in memory in the same way you play back video on a DVR.

History memory - access method
Reviewing each acquisition one by one	Playing back history memory continuously

ADSE Offers Two Fast Signal Acquisition Modes

N Single Mode

When you need to observe closely-spaced waveform events consecutively, it is important to minimize the dead time between captures. The 'N single' mode on the DL9000 captures up to 1,600 waveforms on each of 4 channels with as little as 400 ns of dead time between acquisitions. In the 500 ps/div range, this corresponds to an effective acquisition rate of 2.5 M waveforms/sec/ch.

New ACCUM (accumulation) mode

When observing long-term repetitive waveform events, the ACCUM function offers a fast repetitive signal acquisition rate of up to 25 k waveforms/sec/ch (on 4 channels simultaneously) while retaining up to 2,000 acquisitions in memory.

Whether you use N single or the ACCUM function, previously acquired waveforms are stored in memory and can be accessed using the History Function.

Search Function

Both Zoom search and History search functions are available in the signalXplorer. Zoom search locates an area of interest in a single acquisition. History search locates any acquisitions in history memory that meet user-selected criteria.

Dot Density Display

The intensity of individual display pixels are varied depending on how often a signal illuminates each pixel. Even for single shot acquisitions, Dot Density Display provides visual information about the S/N ratio of a signal. For repetitive signal acquisitions, this feature offers additional insight into the frequency of occurrence of portions of a signal over time. In short, Dot Density Display technology offers analog oscilloscope-like waveform representations on a digital scope.