Determination of Capacitance and Conductance Matrices of Lossy Shielded Coupled Microstrip Transmission Lines

Khalaj‐Amirhosseini, Mohammad

doi:10.2528/pier04061601

Cited by 31 publications

(12 citation statements)

References 12 publications

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“…Also, the width of two strips and the gaps between them are considered equal to the thickness of the substrate. The capacitance and inductance matrices are calculated as [10] …”

Section: Example and Resultsmentioning

confidence: 99%

Increasing the efficiency of interconnects using a compensating circuit

Khalaj‐Amirhosseini

2006

2006 IEEE GCC Conference (GCC)

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“…Also, the width of two strips and the gaps between them are considered equal to the thickness of the substrate. The capacitance and inductance matrices are calculated as [10] …”

Section: Example and Resultsmentioning

confidence: 99%

Increasing the efficiency of interconnects using a compensating circuit

Khalaj‐Amirhosseini

2006

2006 IEEE GCC Conference (GCC)

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“…From above equations, we can design the stage I circuit of power divider if the even-and odd-mode parameters of matrix [L] and [C] are obtained for the two-coupled line [17][18][19]. In this paper, we find the mode parameters of two-coupled line with the CAD tools and plot the data with 3-dimension form, as following Figure 3.…”

Section: Analysis Of the Power Dividermentioning

confidence: 99%

A Novel Compact Planar Six-Way Power Divider Using Folded and Hybrid-Expanded Coupled Lines

Chen¹,

Zhang²

2007

PIER

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Abstract-A novel planar six-way power divider is proposed. Based on the conventional planar microstrip coupled line technology, the proposed compact six-way power divider is comprised of two stages coupled transmission lines, which is different to the conventional multistage power divider using the same expanded structure, one stage folded two-coupled line, and the other hybrid-expanded symmetrical three-coupled line. Therefore, the proposed power divider is size reduction, and has a broad-band property, which is better than 40% of fractional bandwidth. Furthermore, compared to a traditional six-way power divider, it is designed and fabricated easily. From the simulated and measured results, the six-way planar power divider shows a good specifications, which are insert loss 8.1±0.2 dB from 2 GHz to 3 GHz, and return loss less than −18 dB, isolation less than −19.5 dB at 2.5 GHz, respectively.

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“…These matrices are related to the normalized width and gap functions w(z)/h and s(z)/h at the center of the k-th uniform segment and can be determined using some methods such as in [8,16]. After finding the ABCD parameters (1) or (2), one can determine the S parameter matrix as follows…”

Section: Nctls As Compacted Uctlsmentioning

confidence: 99%

Utilizing Nonuniform Coupled Transmission Lines to Compact Microstrip Circuits Such as Edge-Coupled Bandpass Filters

Khalaj‐Amirhosseini

H.Tehrani²

2010

PIER C

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Abstract-In this paper, we propose a method to reduce the length of the narrowband microstrip Uniform Coupled Transmission Lines (UCTLs), which has a general application to compact microstrip circuits. In this method, we use Nonuniform Coupled Transmission Lines (NCTLs) instead of UCTLs. To synthesize the desired NCTLs, their normalized width and gap are expanded as two truncated Fourier series. Then, the optimal values of the coefficients of the series are obtained through an optimization approach. The usefulness of the proposed method is verified using some examples. Also, an edgedcoupled bandpass filter is compacted using the proposed method and then is fabricated and measured.

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Determination of Capacitance and Conductance Matrices of Lossy Shielded Coupled Microstrip Transmission Lines

Cited by 31 publications

References 12 publications

Increasing the efficiency of interconnects using a compensating circuit

Increasing the efficiency of interconnects using a compensating circuit

A Novel Compact Planar Six-Way Power Divider Using Folded and Hybrid-Expanded Coupled Lines

Utilizing Nonuniform Coupled Transmission Lines to Compact Microstrip Circuits Such as Edge-Coupled Bandpass Filters

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