Method for Equalizing Phase Velocities of Coupled Microstrip Lines by Using Anisotropic Substrate

Kobayashi, Masanori; Terakado, R.

doi:10.1109/tmtt.1980.1130155

Cited by 40 publications

(3 citation statements)

References 15 publications

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“…Some of these techniques are wiggly couplers or sawtooth [9], using anisotropic substrates [10], or using dielectric overlay [11][12][13][14]. The last technique has been selected in this article because it has been considered the more suitable to work at the high frequencies of millimeter-wave band.…”

Section: Directional Couplers Using Microstrip With Dielectric Overlaymentioning

confidence: 99%

Ultra-Broadband Directional Couplers Using Microstrip With Dielectric Overlay in Millimeter-Wave Band

Pelaez-Perez¹,

Almorox-González²,

Alonso³

et al. 2011

PIER

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Abstract-Nowadays, millimeter-wave systems are being a key factor to develop wide band applications. In this paper, a directional coupler in millimeter-wave band using dielectric overlay is presented. This leads us to technology aspects, in directional coupler design, are key points to achieve the proper response of the circuit. The coupler proposed in this paper covers the 15-45 GHz band and its response has 15-dB coupling-level, 1-dB coupling-ripple and a reflection coefficient better than 10 dB.

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Section: Directional Couplers Using Microstrip With Dielectric Overlaymentioning

confidence: 99%

Ultra-Broadband Directional Couplers Using Microstrip With Dielectric Overlay in Millimeter-Wave Band

Pelaez-Perez¹,

Almorox-González²,

Alonso³

et al. 2011

PIER

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“…For example, in microstrip design, numerous studies on structures with anisotropic substrates have been made [1]. Also, slab dielectric waveguides of anisotropic material embedded in an isotropic medium have been studied [2].…”

Section: Introductionmentioning

confidence: 99%

Variational Method for Anisotropic Dielectric Waveguides

Lindell¹,

Oksanen²

2006

13th European Microwave Conference, 1983

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“…The finite difference method was employed to obtain the characteristic impedance of microstrip on crystal sapphire substrates [l]. Kobayashi and Terakado [4] applied the transformation from anisotropic to isotropic problems and used the normalized line capacitances of the structure without substrate to obtain some parameters. The variational method was used to obtain the lower or upper bounds of the line capacitance of microstrip line on isotropic substrate by some authors [lo, 111.…”

Section: Introductionmentioning

confidence: 99%

Analysis of uncovered two‐layer three‐coupled microstrip lines on anisotropic substrates

and

Lee

1993

Micro & Optical Tech Letters

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General expressions of the variational method are obtained for the quusistatic analysis of uncovered two‐layer three‐coupled microstrip lines. The frequency‐dependent parameter is obtained by employing the extended spectral domain in the full‐wave analysis. Accurate numerical results are presented for the line capacitances to the various widths of the first layer of two‐layer three‐coupled microstrip lines on anisotropic substrates. The propagation constants and the characteristic impedances are obtained for various frequencies. © 1993 John Wiley & Sons, Inc.

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Method for Equalizing Phase Velocities of Coupled Microstrip Lines by Using Anisotropic Substrate

Cited by 40 publications

References 15 publications

Ultra-Broadband Directional Couplers Using Microstrip With Dielectric Overlay in Millimeter-Wave Band

Ultra-Broadband Directional Couplers Using Microstrip With Dielectric Overlay in Millimeter-Wave Band

Variational Method for Anisotropic Dielectric Waveguides

Analysis of uncovered two‐layer three‐coupled microstrip lines on anisotropic substrates

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