Digital oscilloscope comprising multiple data acquisition pathways

An oscilloscope, digital technology, applied in the direction of digital variable display, digital variable/waveform display, instruments, etc., can solve problems such as inability to observe glitches, limited methods of digital oscilloscope measurement and display of sampled data, etc.

Active Publication Date: 2013-08-21
KEYSIGHT TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

This can cause problems, for example in cases where the user cannot observe glitches that occur at regular intervals that happen to fall within the deadtime
[0004

Method used

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  • Digital oscilloscope comprising multiple data acquisition pathways
  • Digital oscilloscope comprising multiple data acquisition pathways
  • Digital oscilloscope comprising multiple data acquisition pathways

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Embodiment Construction

[0018] In the following detailed description, for purposes of explanation and not limitation, representative examples disclosing specific details are set forth in order to provide a thorough understanding of the teachings of the present invention. However, one of ordinary skill in the art will appreciate, having the benefit of this disclosure, that other embodiments in accordance with the teachings of the present invention that depart from the specific details disclosed herein remain within the scope of the appended claims. Furthermore, descriptions of well-known devices and methods may be omitted so as not to obscure the description of the example embodiments. Such methods and apparatus are clearly within the scope of the teachings of the present invention.

[0019] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. The defined terms are not limited to the technical and scientific meanings of the defin...

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Abstract

A digital oscilloscope comprises a sampling unit configured to sample an input signal received from an oscilloscope probe to produce a first stream of digital samples, a first acquisition system configured to store and process the stream of digital samples to produce a first data set, a second acquisition system configured to store and process the first stream of digital samples independent of the first acquisition system to produce a second data set, and a display system configured to concurrently display the first data set in a first format and the second data set in a second format different from the first format.

Description

technical field [0001] The present invention relates to a digital oscilloscope including multiple data acquisition paths. Background technique [0002] A digital oscilloscope is an electronic test instrument used to observe electrical signals. Users of digital oscilloscopes typically apply oscilloscope probes to the device under test (DUT) to measure the signal of interest. The oscilloscope probe then passes the signal to an analog-to-digital converter (ADC), which converts the signal into a stream of digital samples. This stream of digital samples is then sent to a data acquisition system where it is processed and stored for subsequent display as a digital waveform. [0003] Data acquisition systems generally operate on a periodic update cycle. For example, in a typical update cycle, a data acquisition system captures a predetermined number of digital samples from a stream of digital samples, processes the captured samples (eg, using a trigger or a time base controller),...

Claims

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Application Information

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IPC IPC(8): G01R13/02
CPCG01R13/0272G01R13/0236
Inventor 丹尼尔·P·蒂姆马歇尔·博思马修·S·浩康比史蒂文·J·佩勒罗克里斯托弗·A·拉尔森迈克尔·R·芬德
Owner KEYSIGHT TECH
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