Mitigation of simultaneous switching noise in high speed circuit using electromagnetic bandgap structures with interdigial meander bridge
01 Dec 2007-pp 1-5
Abstract: An interdigital meander-bridge electromagnetic bandgap power/ground planes for suppressing simultaneous switching noise is presented The effective suppressing bandwidth of interdigital meander-bridge structure is from 880 MHz to 491 GHz Although it improves good power integrity, the pads between integrated squares and meander-bridge will destroy signal integrity problem The performance is determined by maximum eye open and maximum eye width The results show the present structure is superior to other structure for suppressing simultaneous switching noise and provide a better signal integrity
Citations
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TL;DR: In this article, the authors reviewed possible solutions based on decoupling or isolation for suppressing power distribution network (PDN) noise on package or printed circuit board (PCB) levels.
Abstract: Mitigating power distribution network (PDN) noise is one of the main efforts for power integrity (PI) design in high-speed or mixed-signal circuits. Possible solutions, which are based on decoupling or isolation concept, for suppressing PDN noise on package or printed circuit board (PCB) levels are reviewed in this paper. Keeping the PDN impedance very low in a wide frequency range, except at dc, by employing a shunt capacitors, which can be in-chip, package, or PCB levels, is the first priority way for PI design. The decoupling techniques including the planes structure, surface-mounted technology decoupling capacitors, and embedded capacitors will be discussed. The isolation approach that keeps part of the PDN at high impedance is another way to reduce the PDN noise propagation. Besides the typical isolation approaches such as the etched slots and filter, the new isolation concept using electromagnetic bandgap structures will also be discussed.
200 citations
Cites background from "Mitigation of simultaneous switchin..."
...The inductance can be increased by using an L-shaped [43] or meander bridge that has a longer length of the bridge [51]....
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TL;DR: In this paper, a compact reduced unit cell size electromagnetic bandgap (EBG) power plane, realized with a combination of alternating impedance EBG and multiple narrow slits, is presented.
Abstract: A compact reduced unit cell size electromagnetic bandgap (EBG) power plane, realized with a combination of alternating impedance EBG and multiple narrow slits, is presented. By concatenating 2 × 2 high-frequency unit cells, a virtual low-frequency EBG unit cell is synthesized without changing the overall dimensions. In this configuration, the basic slit in the high-frequency unit cell remained same, and an additional slit with longer dimensions is added in parallel to the basic slit by synthesizing a larger low-frequency unit cell. EBG is characterized for its dispersion diagram, noise suppression, signal integrity, and electromagnetic radiation. Fabricated EBG exhibits a bandgap from 0.9 to 3.5 GHz with isolation better than -40 dB over the band. Radiated emission of the new EBG is small with an average value of 35 dB·uV/m. Compact EBG also exhibits low impedance, which is less than 1 Ω over the stopband. Eye patterns are generated to analyze signal integrity issues when the data lines are referenced over the solid ground plane and EBG plane. The degradation of the maximum eye opening and the maximum eye width for the proposed EBG power plane at 2 Gb/s data rate is about 17.8% and 1%, respectively, with reference to the equivalent board with solid power plane.
45 citations
Cites methods from "Mitigation of simultaneous switchin..."
...Mitigation of SSN using EBG consisting of interdigital meander bridges is analyzed in [17], and noise suppression from 880 MHz to 4....
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TL;DR: In this article, a reduced size electromagnetic bandgap (EBG) structure with multiple narrow slits unitcell is presented, which provides low onset frequency and wideband noise suppression with small unitcell dimensions.
Abstract: A compact reduced size electromagnetic bandgap (EBG) structure with multiple narrow slits unitcell is presented. The new EBG structure is realized with a combination of alternating impedance EBG and multiple narrow slits in power plane. By concatenating 2 × 2 high frequency unitcells, a virtual low frequency EBG unitcell is created without changing the overall dimensions. In this configuration, the basic slit in the high frequency unitcell remained same and an additional Z-slit is added in parallel to the basic slit with larger dimensions by synthesizing a larger unitcell. This new configuration provides low onset frequency and wideband noise suppression with small unitcell dimensions. Measured and simulated results show noise suppression and isolation over 50 dB in most of the stop-band (0.7-3.5 GHz) and also exhibit low impedance, which is less than 1 Ω over the stop-band. Eye patterns are generated for analyzing signal integrity referenced to the solid power/ground plane and EBG plane. Maximum eye opening (MEO) and the maximum eye width (MEW) analyzed for the signal on EBG reference plane are presented and compared. The degradation of the MEO and MEW for the proposed EBG board is about 16.2 and 1%, respectively, with reference to the equivalent board with solid power plane.
9 citations
Additional excerpts
...Mitigation of SSN in high-speed circuits using EBG consisting of meander bridges is analysed in [15] and noise suppression from 880 MHz to 4....
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TL;DR: In this paper, a simple and novel electromagnetic band gap (EBG) structure is proposed which offers a wide band gap and improved signal integrity, and a single unit cell of the proposed EBG structure is analyzed using IE3D, a method of moments based simulation tool.
Abstract: In this paper, a simple and novel electromagnetic band gap (EBG) structure is proposed which offers a wide band gap and improved signal integrity. The unit cell of the structure consists of three square patches arranged in a particular fashion and connected by L-shaped bridges. Two of the square patches are shorted to the ground plane using vias. The unit-cell dimensions were taken to be less than half the operating wavelength at 2 and 2.5 GHz, at which the structure has been analyzed for signal integrity. A single unit cell of the proposed EBG structure is analyzed using IE3D, a method of moments based simulation tool. A single unit cell provides a band gap of 20 GHz starting from 10 MHz to 20 GHz. The prototype model for the unit cell is developed. A comparison between the simulation and measured results shows a good agreement. The improved signal integrity of the proposed structure is demonstrated both in terms of S-parameters and the eye diagram.
2 citations
Cites background from "Mitigation of simultaneous switchin..."
...Generally to provide good solation (band gap) characteristics 4–5 unit cells are needed [12], which increases Corresponding author:...
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01 Feb 2015
TL;DR: ............................................................................................................................. iii Preface ................................................................................................................................ xi
Abstract: ............................................................................................................................. iii Preface ................................................................................................................................ xi
2 citations
Cites background from "Mitigation of simultaneous switchin..."
...In this regard, PCBs are prone to the effect of several types of noise; some of them are: ground bounce noise (GBN), simultaneous switching noise (SSN), and noise originated by signals travelling through vias [19]....
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References
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TL;DR: In this article, a power/ground planes design for efficiently eliminating the ground bounce noise (GBN) in high-speed digital circuits is proposed by using low-period coplanar electromagnetic bandgap (LPC-EBG) structure.
Abstract: A power/ground planes design for efficiently eliminating the ground bounce noise (GBN) in high-speed digital circuits is proposed by using low-period coplanar electromagnetic bandgap (LPC-EBG) structure. Keeping solid for the ground plane and designing an LPC-EBG pattern on the power plane, the proposed structure omnidirectionally behaves highly efficiently in suppression of GBN (over 50 dB) within the broad-band frequency range (over 4 GHz). In addition, the proposed designs suppress radiated emission (or electromagnetic interference) caused by the GBN within the stopband. These extinctive behaviors of low radiation and broad-band suppression of the GBN is demonstrated numerically and experimentally. Good agreements are seen. The impact of the LPC-EBG power plane on the signal integrity for the signals referring to the power plane is investigated. Two possible solutions, differential signals and an embedded LPC-EBG power plane concept, are suggested and discussed to reduce the impact.
214 citations
"Mitigation of simultaneous switchin..." refers methods in this paper
...The MEO and MEW for the propose meander-bridge structures and compared structures....
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TL;DR: In this paper, a double-stacked EBG (DS-EBG) structure was proposed for wideband suppression of simultaneous switching noise (SSN) coupling in system-in-package (SiP) applications.
Abstract: We propose a novel electromagnetic bandgap (EBG) structure with a significantly extended noise isolation bandwidth, called a double-stacked EBG (DS-EBG) structure, fabricated on a low-temperature co-fired ceramic (LTCC) multilayer substrate. The DS-EBG structure was devised for wideband suppression of simultaneous switching noise (SSN) coupling in system-in-package (SiP) applications. Our design approach was enabled by combining two EBG layers embedded between the power and ground planes. The two EBG layers had different bandgaps from using different cell sizes. Enhanced wideband suppression of the SSN coupling was validated using a 11.4-GHz noise stop bandwidth with 30-dB isolation in time and frequency domain measurements up to 20GHz
70 citations
"Mitigation of simultaneous switchin..." refers background in this paper
...In recent year, the exceptional configurations to mitigate the SSN in printed circuit board (PCB) were discussed by using electromagnetic bandgap (EBG) structures to provide a high impedance surface (HIS) on the power/ground planes....
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TL;DR: In this paper, an equivalent circuit modeling approach of characterizing the frequency behavior of the entire EBG/plane pair structure is presented and the procedure to extract circuit parameters is described.
Abstract: The utilization of electromagnetic band gap (EBG) structures is a new and promising approach in plane pair noise cavity resonance suppression. In this paper, EBG/plane pair structures are studied with full-wave methods and results are experimentally verified. A new equivalent circuit modeling approach of characterizing the frequency behavior of the entire EBG/plane pair structure is presented. The equivalent circuit of the unit cell is proposed and the procedure to extract circuit parameters is described. The influence of EBG patch parameters on the band gap characteristics is quantified and the results provide some design rules to circuit designers. Examples of applications of EBG structures to power/ground plane noise suppression are given.
27 citations
"Mitigation of simultaneous switchin..." refers background in this paper
...In recent year, the exceptional configurations to mitigate the SSN in printed circuit board (PCB) were discussed by using electromagnetic bandgap (EBG) structures to provide a high impedance surface (HIS) on the power/ground planes....
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09 Oct 2006
TL;DR: In this paper, the authors presented an approach for two-dimensional EBG structures by extending a well-known dispersion-diagram analysis of one-dimensional infinite periodic structures. But this approach requires the use of full-wave electromagnetic simulation of the entire structure.
Abstract: Electromagnetic bandgap (EBG) structures that prevent propagation of electromagnetic waves within a given frequency range are quite effective in suppressing simultaneous switching noise on parallel power planes. However, it is quite time consuming to compute the stopband frequencies of interest using full-wave electromagnetic simulation of the entire structure. In contrast, using dispersion-diagram analysis based on a unit- cell network of EBG structures is more efficient and less time consuming. This paper presents an approach for two-dimensional EBG structures by extending a well-known dispersion-diagram analysis of one-dimensional infinite periodic structures. The stopbands predicted with the proposed analysis were compared with good agreement to measured and simulated results. In addition, the concept was applied to test the stopband range of EBG structures formed on an actual printed circuit board with a test coupon of an EBG unit cell placed on the same board.
23 citations
"Mitigation of simultaneous switchin..." refers background in this paper
...In early periods, these EBG structures used embedded between power and ground planes [1-2], which were increased the cost....
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TL;DR: In this paper, an embedded band selective (EBS) power plane is proposed using the hybrid-cell periodic structure, which performs ultra-wideband suppression of the simultaneously switching noise (about 9 GHz) with on average, over 60 dB noise elimination.
Abstract: An embedded band selective (EBS) power plane is proposed using the hybrid-cell periodic structure. Because the periodic connections of the unit-hybrid-cell select different frequency rejection bands, the proposed EBS power plane performs ultra-wideband suppression of the simultaneously switching noise (about 9 GHz) with on average, over 60 dB noise elimination. This excellent behaviour is both numerically and experimentally validated.
14 citations
"Mitigation of simultaneous switchin..." refers background in this paper
...In early periods, these EBG structures used embedded between power and ground planes [1-2], which were increased the cost....
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