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07 | Keysight | InﬁniiVision 4000 X-Series Oscilloscopes - Data Sheet

Segmented memory: A smart and efficient way to

capture waveforms

Acquisition memory size is an essential oscilloscope specification

because it determines the amount of data you can capture in a

single acquisition. In general, longer memory is better. However,

no memory is always long enough to capture all the signals you

need, especially when capturing infrequent anomalies, data

bursts, or multiple serial bus packets. Segmented memory

acquisition lets you selectively capture and store important signal

activity without capturing unimportant signal idle time with the

time stamp of each segment relative to the first trigger event.

Segmented memory comes standard in the 4000 X-Series.

Figure 7 shows segmented memory successfully capturing 1,000

events in 3.27274 seconds. Traditional memory architecture

would require 2.7 Gpts of memory to accomplish the same result.

This memory is not available on any scope in the market.

Figure 7. Segmented memory efficiently manages the memory to capture

up to 1,000 segments of interest to you, making it an effective ultra-deep

memory oscilloscope that can easily capture infrequent events and

anomalies.

Segmented memory + serial decode

Segmented memory works in conjunction with serial protocol

decode. For example, by setting the trigger condition to “CAN

serial bus error,” segmented memory captures and stores only

CAN error packets and stitches together each segment for easy

viewing. You can quickly compare time tags in the event lister to

discover time intervals between errors.

Figure 8. Segmented memory being used in conjunction with serial

decode resulting in maximum insight into serial bus.

Oscilloscope Experience Redefined:

Experience the Speed (Continued)

DSOX4MASK bảng dữ liệu(PDF) 7 Page - Keysight Technologies