Analysis of single‐layered multiconductor transmission lines using the Fourier transform and mode‐matching techniques

Park, Hyun Ho; Kwon, Jong-Kee; Lee, Jae Woo; Eom, Hyo J.

doi:10.1002/mop.10752

Cited by 8 publications

(10 citation statements)

References 11 publications

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“…We generated the finite element mesh, and then we solved the model. 7. As postprocessing, we selected Point Evaluation and chose capacitance elements to find the coupling capacitance per unit length of the line.…”

Section: Resultsmentioning

confidence: 99%

“…[6] Ref. [7] 0 Table 1 shows the finite element results for the capacitance per unit length and inductance per unit length. The inductance per unit length was obtained from the capacitance per unit length using Eq.…”

Section: Open Single-strip Microstrip Linementioning

confidence: 99%

“…Previous attempts at the problem include using the moment method (MOM) [1,2], Green's function approach [3][4][5], the method of lines (MOL) [6], and Fourier transform [7]. In this work, we use COMSOL, a finite element package to calculate the capacitance per unit length and characteristic impedance of open microstrip lines.…”

Section: Introductionmentioning

confidence: 99%

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Using finite element method to calculate capacitance, inductance, characteristic impedance of open microstrip lines

Musa

Sadiku

2008

Micro & Optical Tech Letters

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This paper has proposed a new completely integrated LC quadrature ILFD fabricated in the TSMC 0.35-m CMOS technology. The new ILFD uses no varactor to extend the locking range by varying the dc bias of the tail transistors in the ILFD. The locking range of the implemented ILFD is 2.92 GHz ϳ 4.26 GHz (41%). The measured phase noise of free-running ILFD is Ϫ118.3 dBc/Hz while the locked quadrature output phase noise is Ϫ126.7 dBc/Hz at 1 MHz offset frequency from the center oscillation frequency of 1.98 GHz, which is 8.4 dB lower than the free running ILFD. ACKNOWLEDGMENT

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Section: Resultsmentioning

confidence: 99%

Section: Open Single-strip Microstrip Linementioning

confidence: 99%

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Using finite element method to calculate capacitance, inductance, characteristic impedance of open microstrip lines

Musa

Sadiku

2008

Micro & Optical Tech Letters

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“…Many methods have been used, e.g., method of moments [26], spectral domain analysis [27], method of lines [28,40], finitedifference methods [29], finite-element methods [30,31], and Fourier transform method [32]. In this study, the authors use an orthogonal expansion method, similar to the one in [33], to compute the per-length inductance and capacitance matrices.…”

Section: A Extraction Of the Per-unit-length Circuit Parametersmentioning

confidence: 99%

Quasi-TEM approach of coupled-microstrip lines and its application to the analysis of microstrip filters

Xiao

Norgren

2011

Int J RF and Microwave Comp Aid Eng

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In this article, the quasi-TEM approach is successfully used to analyze coupled-microstrip lines of finite length, which are usually used for the coupling between the source/load and resonators in microstrip filters. First, an orthogonal expansion method is used to extract the per-length inductance and capacitance matrices. The authors then obtain the impedance matrix or admittance matrix, which relates the voltages and currents at both ends of coupled-microstrip lines. To verify our theory, an example is presented, i.e., a Y-shaped dual-mode bandpass microstrip filter, for which, the equivalent circuit model based on the quasi-TEM analysis of coupled-microstrip lines is accurately set up. The approach in this article is applicable to planar microstrip lines with arbitrary number of conductors, under the quasi-TEM assumption. V C 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE 22:131-139, 2012.

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“…These methods are generally very time-consuming and most of theme require expensive licenses. Secondly, one can resort to quasi-static formulations [5,[10][11][12] that make use of assumptions and approximations on the field distributions in the transmission line. These formulations make use of the hypothesis that it is possible, under certain conditions, to neglect the axial components of the fields compared to the longitudinal ones, thus obtaining an approximated characterization of the fundamental modes of the conductor microstrip line.…”

Section: Introductionmentioning

confidence: 99%

Application of Quasi-Tem Surface Impedance Approach to Calculate Inductance, Resistance and Conductor Losses of Multiconductor Microstrip Line System

Hamham¹

2016

PIER M

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Abstract-In this paper a recent new quasi-TEM surface impedance approach has been applied to fast characterization of multiconductor microstrip lines in terms of inductance and resistance matrices and conductor losses. Application examples for frequency-dependent parameters of interconnect circuits with up to five conductors (three-, four-, and five-strips) have been reported. The propagation characteristics and attenuation of multimode symmetrical multiconductor system are obtained. The effectiveness of the applied approach is confirmed by comparison of the computed numerical results with those obtained by full-wave simulators. They are found to be in good agreement.

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Analysis of single‐layered multiconductor transmission lines using the Fourier transform and mode‐matching techniques

Cited by 8 publications

References 11 publications

Using finite element method to calculate capacitance, inductance, characteristic impedance of open microstrip lines

Using finite element method to calculate capacitance, inductance, characteristic impedance of open microstrip lines

Quasi-TEM approach of coupled-microstrip lines and its application to the analysis of microstrip filters

Application of Quasi-Tem Surface Impedance Approach to Calculate Inductance, Resistance and Conductor Losses of Multiconductor Microstrip Line System

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