Column Control DTX

Using a Scope's Segmented Memory to Capture Signals

Application Notes

In many applications, such as radar, pulsed lasers, and applications that employ packets of serial data, short bursts of signal activity are interspersed with relatively long periods of signal inactivity. Some oscilloscopes have a feature called “segmented memory” (sometimes known as sequential single shot memory), which can help you capture more of the active signal information. Oscilloscopes with segmented memory, such as the Keysight Technologies, Inc. Infiniium scopes (8000 Series and DSO80000 Series), store information only during the active bursts or pulses; they store no information during the inactive periods. Because valuable memory “real estate” is not used during the inactive periods, you can capture more of the critical signal activity. This feature also means file sizes are smaller, which makes it easier to store waveform files.

The Keysight DSO/DSA90000 Series features the industry's fastest intersegment time of 2.5 µs for ≤6 GHz models, along with the largest number of segments: 131,072 segments for ≤6 GHz models when ordered with 1 G acquisition memory option 01G.

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Column Control DTX