The response of a terminated two-wire transmission line excited by a nonuniform electromagnetic field

Taylor, C.D.; Satterwhite, R.; Harrison, Charles W.

doi:10.1109/tap.1965.1138574

Cited by 440 publications

(174 citation statements)

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“…A synthetic methodology based on the combination of the EM-NF radiation model [19][20][21][22][23][24] and the analytical susceptibility formulation [28] is introduced. It was explained and described how to determine the EM-NF maps from the model based on the use of elementary dipole-arrays developed at the IRSEEM laboratory [19][20][21][22][23][24].…”

Section: Resultsmentioning

confidence: 99%

“…For that, we use the analytical expressions introduced in [28]. The radiated emission model used in this method consists of the electrical and magnetic dipoles parameters (the orientations θ e and excitation currents I e for the electric dipoles and the orientations θ m and the excitation currents I m for the magnetic dipoles) knowing the positions and their geometrical dimensions.…”

Section: Methods A: Modeling Of the Em Fields Emitted By The Perturbatmentioning

confidence: 99%

“…It is worth underlining that the existing works on this EMC radiated susceptibility subject were mainly based either on the radiated far-field interaction on the wires [28][29][30][31] or the coupling between EM NF caused by elementary dipoles [32,33]. But such a case is not sufficiently realistic, for example, for investigating complex electrical system wirings placed in proximity of electronic devices.…”

Section: Introductionmentioning

confidence: 99%

“…Section 2 presents the analytical approaches concerning the hybrid method understudy. It is based on the association of the emission model and also the coupling model induced on the metallic wires by using the analytical formulae established in [28]. Section 3 treats examples of validations with complex forms of metallic wires.…”

Section: Introductionmentioning

confidence: 99%

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Application of a Hybrid Model for the Susceptibility of Complex Form Metallic Wires Perturbed by Em Near-Field Radiated by Electronic Structures

Rajkumar¹,

Ravelo²,

Bensetti³

et al. 2012

PIER B

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Abstract-A modeling of the metallic wires susceptibility facing to the disturbances caused by electromagnetic (EM) near-field (NF) radiated by electronic structures in radio frequencies (RF) is introduced by using a hybrid method. This latter is based on the use of the given EM-data calculated or determined from the standard computation tools associated with basic analytical methods expressing the coupling voltages at the victim wire extremities and the EM-NF radiations. In difference to the classical methods based on the far-field radiations, the main benefit of this method lies on the possibility to take into account the evanescent waves from the disturbing elements. The basic principle illustrating the hybrid method principle is explained. To verify the relevance of the method proposed, we consider a metallic wire having cm-length above the ground plane disturbed by the EM-near-waves from the electronic circuits in proximity. For that, we model the EM radiation of the disturbing electronic circuits and then, apply the hybrid method to evaluate the coupling voltages induced through the wires. By considering the radiations around hundreds MHz, we demonstrate that the hybrid method proposed enables us to generate voltages in good agreement with the simulations performed with the commercial tools. Two types of realistic configurations are studied. First, with a microstrip loop circuit radiating at about 0.7 GHz, we calculated induced voltages at the extremities of the structures. Then, the same analysis was made with a 3D-model coil self for the large band from 0.1 GHz to 0.5 GHz. The results are in good accordance between the terminal voltages of the wire. The relative error in the second configuration falls less than 10%. This investigation is important for the EM compatibility (EMC) analysis of the radiating coupling between wires and complex electrical and electronic systems disturbed by RF harmonics.

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Section: Resultsmentioning

confidence: 99%

Section: Methods A: Modeling Of the Em Fields Emitted By The Perturbatmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Application of a Hybrid Model for the Susceptibility of Complex Form Metallic Wires Perturbed by Em Near-Field Radiated by Electronic Structures

Rajkumar¹,

Ravelo²,

Bensetti³

et al. 2012

PIER B

View full text Add to dashboard Cite

show abstract

“…Classical field-to-TL coupling theory has been developed and frequently used to compute the coupling of electromagnetic fields to TLs with linear terminations [3][4][5][6][7][8][9][10][11][12][13][14]. Especially, the radiated interference on printed circuit board (PCB) layout through the fieldto-TL route has become a growing concern in prediction of system reliability [15,16].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Electromagnetic Field Coupling to Microstrip Line Connected With Nonlinear Components

Hui¹,

Yan²,

Zhao³

et al. 2013

PIER B

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Abstract-An analysis method for electromagnetic field coupling to microstrip line connected with nonlinear components is proposed in this paper. Different from the published work, not only the voltage and current response of the nonlinear component connected to the transmission line (TL) can be obtained, but also the power transmitted from this nonlinear component to the next one at both the fundamental frequency and harmonics can be predicted. The proposed method suitably combines the classical field-to-TL coupling theory and the nonlinear large-signal scattering parameters on the basis of a black box model in frequency-domain. Then this method is experimentally validated by a laboratory system including a microstrip line connected with a simple nonlinear component constituted by the anti-paralleled HSMS-282C Schottky diodes pair welded to a 50 Ω microstrip line. The calculated results using the proposed method show good agreement with the measured data.

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Forcing term discretization techniques in the external field-to-MTL coupling problems

Lapohos¹,

LoVetri

2001

Int. J. Numer. Model.

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In this paper, two, under certain conditions, equivalent models of electromagnetic plane wave coupling to multiconductor transmission lines (MTLs) are described. The &frequency-to-time domain' (FTD) model incorporates the e!ect of the impinging electromagnetic waves by means of distributed voltage and current sources whose expressions are found through mathematical approximations made in the frequency domain followed by a transformation to the time domain. The approximations were made in order to gain an advantage in computation time in the discrete FTD (DFTD) model. In contrast to this approach, the same distributed sources of the &approximate analytic' (AA) model are derived by directly evaluating the corresponding integral formulas. It is shown that, although the same second-order-accurate discretization technique has been employed to create both the DFTD and the discrete AA (DAA) models, the simulation results are not the same. In the case of the DFTD model, signi"cant numerical error can be seen in the simulation results, whereas the DAA model does not show such a behaviour. It is shown that time averaging of the forcing terms in the DFTD model helps to reduce the numerical errors signi"cantly at no extra computational cost.

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The response of a terminated two-wire transmission line excited by a nonuniform electromagnetic field

Cited by 440 publications

References 0 publications

Application of a Hybrid Model for the Susceptibility of Complex Form Metallic Wires Perturbed by Em Near-Field Radiated by Electronic Structures

Application of a Hybrid Model for the Susceptibility of Complex Form Metallic Wires Perturbed by Em Near-Field Radiated by Electronic Structures

Analysis of Electromagnetic Field Coupling to Microstrip Line Connected With Nonlinear Components

Forcing term discretization techniques in the external field-to-MTL coupling problems

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