Anti-interference wiring method of circuit design of wireless sensing node equipment

A wireless sensor node and circuit design technology, applied in wireless communication, printed circuit components, electrical components, etc., can solve the problems of weak anti-interference ability and general effect

Inactive Publication Date: 2010-12-15
无锡科尔华电子有限公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] These circuit layout design methods are applied in the design of UHF 2.4GHz wireless sensor node equipment, but the effect is still general and the anti-interference ability is not strong

Method used

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Examples

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Embodiment Construction

[0014] Taking the circuit board design of the 2.4GHz wireless sensor network node equipment of the general four-layer PCB board as an example, generally the first layer board is the wiring of surface mount components, and the second layer board is the digital circuit part The ground wire of the board, the ground wire of the analog high-frequency circuit on the third layer, and the bottom layer is the wire that cannot be bypassed in the first layer.

[0015] The specific method of the present invention is: each layer of wiring does not form a closed loop. When wiring and wiring, the ground wire of the digital circuit part on the second layer board and the ground wire of the analog high-frequency circuit on the third layer board are projected There is no place for heavy diaphragms. The shape of the wiring on each layer, whether it is a power wiring or a ground wiring, avoids a closed loop, that is, it is not closed, but an open shape; at the same time, the four-layer board is vi...

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Abstract

The invention relates to an anti-interference wiring method of the circuit design of wireless sensing node equipment in particular to a circuit board wiring method of 2.4G ultrahigh-frequency equipment, belonging to a wiring arrangement method of the circuit design A closed-loop shape is not available to both the whole wiring and the partial wiring. The wiring shape is a wiring track shape on a monolayer plate or a wiring track shape formed by connecting projection views of a multilayer plate. Thus, the invention can avoid the induction interference caused by a closed loop, effectively improve the capability of ultrahigh-frequency wireless sensing network node equipment to resist interference from the internal and external environments of an integrated circuit, increase the effective transmission distance and prolong the service life of the integrated circuit.

Description

technical field [0001] The invention relates to a wiring method for circuit design, in particular to a circuit board wiring method for sensor node equipment of a 2.4GHz ultra-high frequency wireless network. Background technique [0002] At present, countries all over the world have reserved some wireless frequency bands for industrial, scientific research, and microwave medical applications. The application of these frequency bands does not require a license, and only needs to comply with a certain transmission power, and do not cause interference to other frequency bands. 2.4GHz is the frequency that meets this requirement. It is the common ISM frequency band of all countries and is the most widely used wireless technology in the industrial field. In this 2.4GHz frequency band, currently commonly used wireless networks include: wireless local area network (IEEE 802.11b / IEEE 802.11g), Bluetooth and ZigBee. [0003] The normal use of wireless networks is inseparable from wi...

Claims

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Application Information

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IPC IPC(8): H05K1/02H04W84/18
Inventor 上官庆元文金华
Owner 无锡科尔华电子有限公司
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