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Portable universal digital storage oscillograph

A technology of digital storage and oscilloscope, applied in the direction of digital variable display, etc., can solve the problems of high price and unfavorable promotion, and achieve the effect of low cost, easy to carry, and low cost

Inactive Publication Date: 2007-08-08
徐红启
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As we all know, the oscilloscope is an important tool for on-site testing. No engineer is willing to carry an oscilloscope and a bunch of power supplies to the site. Therefore, a portable digital storage oscilloscope that can observe complex dynamic waveforms came into being; There are some small high-end handheld instruments, but the price is high, which is not conducive to promotion

Method used

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Embodiment Construction

[0027] A general-purpose oscilloscope relies on high input impedance to display and measure signal waveforms. As the name implies, it is not only suitable for observing a certain type of electronic signal, but can observe and measure in a certain way from DC to AC with a certain large voltage amplitude. and a device for analog signals. In order to achieve these goals, the oscilloscopes currently on the market are complex in design and comprehensive in design, and in terms of structure, they generally use some mechanical and electronic control and adjustment components, which are relatively large in size, and have problems such as power consumption and interference. It is difficult to popularize test tools that are cost-effective, convenient and practical, and small and handy. Therefore, the present invention changes the design idea of ​​the traditional oscilloscope, realizes the low power consumption design of the general oscilloscope, and innovates a circuit function that can...

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Abstract

The invention discloses a portable universal digital storage oscilloscope. The passive probe connects with the signal transforming conditioning circuit, analog-digital conversion ADC circuit, data path and high frequency control module, DSP processor system, data interface, and the signal transforming conditioning circuit connects with the trigger function generating circuit, data path and high frequency control module, and ADC circuit, and digital signal LCD display connects with the DSP processor system, and the signal transforming conditioning circuit, and the rechargeable battery and AC-DC power module connect with the intelligent power switch and distribution circuit, and DSP processor system. The invention uses four ADC chips to phase interleaving sampling, which increasing bandwidth, and lower cost; the external power and internal battery can automatically switch to supply power, to intelligently control the power distribution, with low power, small size, and can be used in various testing field handheld; the single machine completes the signal processing result and displaying, audio recording and storing the output, which can set up and update procedures through data interface, and it is a portable universal digital storage oscilloscope.

Description

technical field [0001] The invention relates to an oscilloscope, in particular to a portable general digital storage oscilloscope. Background technique [0002] The development of science and technology has promoted the rapid rise of high-tech industries, creating extremely high commercial value and huge economic benefits, and the technological content in products is getting higher and higher. Various scientific instruments for identification and testing are also one of the prerequisites for ensuring the sustainable development of the country. [0003] The oscilloscope is the most basic, most versatile and primary electronic instrument in today's electronic measuring instruments, and has a wide range of application industries and scopes; the oscilloscope can observe the instantaneous voltage relative to time, it can display the shape of the waveform and measure parameters such as frequency and phase . Oscilloscope is a technology-intensive and knowledge-intensive product. ...

Claims

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Application Information

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IPC IPC(8): G01R13/02
Inventor 徐红启孙毓刘福仁宗建斌
Owner 徐红启
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