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Device for backboard based on CPCI (Computer Program Configuration Item) bus system

A bus system and backplane technology, applied in the field of electronic measurement, to ensure the effect of data transmission rate

Inactive Publication Date: 2016-06-01
JIANGSU LVYANG ELECTRONICS INSTR GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, custom frameworks have their own drawbacks

Method used

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  • Device for backboard based on CPCI (Computer Program Configuration Item) bus system

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Embodiment Construction

[0009] The device based on the CPCI bus system backplane of the present invention comprises a main control computer, a sampling and imaging module, a data exchange module, and a power supply module, and the main control computer is electrically connected with the sampling and imaging module, the data exchange module, and a power supply module respectively, and the main control The computer, sampling and imaging module, data exchange module, and power module are all plug-in cards conforming to the CPCI specification, and all plug-in cards use exchange-type high-speed serial bus and real-time parallel bus communication.

[0010] Since each plug-in card has only one set of CPCI connectors, only 10 sets of CPCI connectors need to be installed in the corresponding positions on the backplane, and no connectors need to be installed in the slots. The system does not use plug-in card power, so there is no need to design a power slot on the back panel, but an ATX power connector needs to...

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Abstract

The invention belongs to the technical field of electronic measurement, and especially relates to a device for a backboard based on a CPCI (Computer Program Configuration Item) bus system. The device for the backboard based on the CPCI bus system comprises a main control computer, a sampling and imaging module, a data exchange module and a power module, wherein the main control computer is respectively electrically connected with the sampling and imaging module, the data exchange module and the power module; the main control computer, the sampling and imaging module, the data exchange module and the power module are made into plug-in cards which satisfy a CPCI specification; and all plug-in cards are communicated by adopting an exchange type high speed serial bus and a real-time parallel bus. The device for the backboard based on the CPCI bus system provided by the invention guarantees the data transfer rate, and a timing system adopting a phase-compensated cable and a high performance microwave module design can guarantee a timing precision less than 10 ps between all plug-in cards.

Description

technical field [0001] The invention belongs to the technical field of electronic measurement, in particular to a device based on a CPCI bus system backplane. Background technique [0002] With the development of electronic technology, the design of the bus system is developing towards the direction of high complexity and fast working speed, which puts forward higher requirements for test instruments. In the current field of electronic measuring instruments, high-performance electronic measuring instruments usually adopt two architecture forms: standard architecture and custom architecture. The former adopts standard bus architecture and mechanical structure, such as VXI / VME, PXI / CPCI, etc. Its advantages are strong compatibility and reliability, and devices that meet the same standard can be used at the same time. This architecture is widely used by virtual instruments. Among them, CPCI technology is transformed on the basis of PCI technology, specifically: continue to use...

Claims

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Application Information

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IPC IPC(8): G06F1/18G06F13/40
Inventor 宋云衢冯太明
Owner JIANGSU LVYANG ELECTRONICS INSTR GROUP
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