Power source distribution network with small electromagnetic band gap structure units

A technology of electromagnetic bandgap structure and power distribution network, applied in the direction of electrical components, output power conversion devices, etc., can solve the problems affecting the signal integrity of the power distribution network, destroying the current return path, etc., to reduce the size, increase the Large frequency bandwidth range, good robustness

Inactive Publication Date: 2014-03-26
SHANGHAI JIAO TONG UNIV
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  • Abstract
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Problems solved by technology

However, there is little research on how to reduce the size of EBG structural units while maintaining the noise suppression performance.
[0006] In fact, in the design of using the planar EBG structure to solve the SSN noise problem, since the EBG is a periodic distribution structure, it will inevitably destroy the return path of the current, which will greatly affect the power distribution network. signal integrity

Method used

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  • Power source distribution network with small electromagnetic band gap structure units
  • Power source distribution network with small electromagnetic band gap structure units
  • Power source distribution network with small electromagnetic band gap structure units

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Embodiment Construction

[0026] In order to make the technical means, creative features and objectives of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments.

[0027] Such as figure 1 As shown, it is a schematic diagram of a three-dimensional structure of the power distribution network involved in the present invention. An electromagnetic bandgap structure consisting of complementary split-ring resonators is etched on the power plane, where 1 represents the power plane and 2 represents the full ground.

[0028] Such as figure 2 Shown is a schematic diagram of the complementary aperture resonator unit involved in the present invention. Among them, d represents the size of the square patch in the complementary split ring resonator, s represents the size of the groove line in the complementary split ring resonator, w represents the size of the connecting bridge in the complementary split ring resonator; g represents the c...

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Abstract

The invention discloses a power source distribution network with small electromagnetic band gap structure units. An electromagnetic band gap structure is etched on a power source surface of the power source distribution network, the ground keeps complete based on the consideration of completeness of signals, and basic units of the plane electromagnetic band gap structure are composed of complementary split ring resonators. The power source distribution network with the small electromagnetic band gap structure units effectively resolves the problem of noise suppression of a synchronous switch in a mixing circuit system, and compared with other typical plane electromagnetic band gap structures, the size of the unit structure can be reduced. In addition, the noise suppression performance of the power source distribution network is hardly influenced by the tiny variation of the size, and the power source distribution network is good in robustness and can be effectively applied to a high-speed multi-layer circuit design.

Description

technical field [0001] The invention relates to a power distribution network with a miniaturized electromagnetic bandgap structure unit, in particular to a power distribution network for solving the problem of power integrity in a hybrid high-speed circuit system. Background technique [0002] With the development of integrated circuits and system-in-package technologies, the density of hybrid circuit systems is getting higher and higher, and circuit modules such as high-speed digital circuits, radio frequency / analog circuits, memory and sensors need to be integrated in the same system. In the past, the problem of signal integrity was the key analysis object of digital circuit design. However, with the continuous improvement of the application frequency band, the problem of power integrity is becoming more and more important. [0003] In a high-speed digital circuit, when many pins of the chip jump at the same time, a large transient current will flow through the ground, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/44
Inventor 朱浩然李晓春毛军发
Owner SHANGHAI JIAO TONG UNIV
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