Transient analysis of nonuniform, high-pass transmission lines

Hsue, Ching-Wen; Hechtman, Charles D.

doi:10.1109/22.57326

Cited by 34 publications

(2 citation statements)

References 9 publications

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“…With a view to applications of one-dimensional nonuniform microstrip lines with a continuously variable strip width to microwave circuits, research on the analysis of the characteristics in the frequency domain [1] and the time domain [2,3] has been carried out. Based on these studies, circuit element designs with nonuniform microstrip lines have been carried out [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Design of microstrip‐line bandpass filter based on reflected characteristics in time domain

Nakayama

Deguchi

Tsuji

et al. 2006

Electron Comm Jpn Pt II

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SUMMARYAs an inverse scattering problem using the one-dimensional Transmission-Line Matrix (TLM) method, it is possible to derive the transmission line shape from an arbitrary reflection characteristic in the time domain. In this paper, a bandpass filter consisting of microstrip lines is designed based on this TLM method. In the designed filter, there is a frequency shift of the filter characteristics toward the lower frequencies, which is caused by the phase shift at the discontinuity. An improvement method is proposed in which transmission line correction is performed on the basis of the LC equivalent circuit of the impedance discontinuity. Its usefulness is experimentally verified.

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Section: Introductionmentioning

confidence: 99%

Design of microstrip‐line bandpass filter based on reflected characteristics in time domain

Nakayama

Deguchi

Tsuji

et al. 2006

Electron Comm Jpn Pt II

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“…In [1] the properties of the line are assumed to be piecewise constant and the response is calculated in the time domain by a summation of the multiple reflections that occur at the discontinuities. The same idea is used in [2] to solve an inverse problem in order to construct a line that synthesises an arbitrary pulse shape.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous reconstruction of two parameters from the transient response of a nonuniform LCRG transmission line

Lundstedt

Ström

1996

Journal of Electromagnetic Waves and Applications

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A time-domain method to determine two of the physical parameters L, C, R, and G of a nonuniform transmission line, from the knowledge of the remaining two parameters and the transient response of the line, is presented. The method is based on the recently introduced compact Green functions approach. It is shown that any pair of the parameters can be reconstructed if L and C are considered in terms of the characteristic impedance Z and the wavefront speed c. The impedance is assumed to be continuous along the nonuniform line, but may be discontinuous at the end. It is shown that a discontinuity at the end both simplifies the reconstruction and makes the reconstruction less sensitive to noise. The parameters R and G, which both represent losses, are the most difficult to reconstruct. It is found that reconstructions involving c as well as reconstructions of R and G fail under certain conditions, at certain points along the line. The method is tested numerically for all combinations of parameters, and the failure to determine the parameters at some points is illustrated. The influence of noise is also illustrated. The present method should be useful as a fast analysis tool for time domain reflectometer measurements.

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Transient analysis and simulation of nonuniform lossy transmission lines

Bandurski¹

1992

Int. J. Microw. Mill.‐Wave Comput.‐Aided Eng.

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Transient analysis of nonuniform, high-pass transmission lines

Cited by 34 publications

References 9 publications

Design of microstrip‐line bandpass filter based on reflected characteristics in time domain

Design of microstrip‐line bandpass filter based on reflected characteristics in time domain

Simultaneous reconstruction of two parameters from the transient response of a nonuniform LCRG transmission line

Transient analysis and simulation of nonuniform lossy transmission lines

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