Vertical transitions in low temperature co-fired ceramics for LMDS applications

Panther, A.; Glaser, C.; Stubbs, M.G.; Wight, J.S.

doi:10.1109/mwsym.2001.967281

Cited by 23 publications

(17 citation statements)

References 5 publications

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“…Previous papers have presented some interconnections and transitions [3,4]. They consist of microstrip to microstrip transition [5], microstrip to stripline transition [6], CPW to microstrip transition [9], CPW to CPW vertical transition [7], CPW to stripline transition [8]. However, there is still a useful and necessary transition for LTCC module development -the vertical transition between grounded coplanar waveguide (GCPW) and stripline.…”

Section: Introductionmentioning

confidence: 99%

A Broadband GCPW to Stripline Vertical Transition in LTCC

Zhang¹,

Li²,

Liu³

et al. 2016

PIER Letters

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Abstract-Vertical transition structure between grounded coplanar waveguide (GCPW) and stripline by Low Temperature Co-fired Ceramic (LTCC) technology is presented in this paper. In this structure, the top ground of the stripline is used as the GCPW lower ground, while the signal via goes through the middle ground plane. With increasing vertical signal via height, it can be more widely used in the higher height of multilayer System in Package (SiP) module packaging. The circular openings in the ground plane and additional shield vias around the transmission lines can provide great advantage in the radiation loss and decrease parasitic effects. The measurement results show that the return loss is less than −10 dB from 6 GHz to 35 GHz. Meanwhile, the insertion loss is better than −2 dB up to 28.4 GHz.

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Section: Introductionmentioning

confidence: 99%

A Broadband GCPW to Stripline Vertical Transition in LTCC

Zhang¹,

Li²,

Liu³

et al. 2016

PIER Letters

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“…The potential of this approach makes it more suitable to design and develop compact RF/Microwave module [3], [4]. This package is a multilevel structure that allows conducting traces to be embedded within the substrate [5].…”

Section: Introductionmentioning

confidence: 99%

Embedded Microstrip Line to Stripline Vertical Transition Using LTCC Technique

Beeresha¹

2015

IJRET

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“…For the three dimensional (3-D) integration of mm-wave radio systems, several vertical transitions such as CPW-to-stripline (SL) transition [5,6], microstrip-to-SL transition [7,8] and CPW-to-CPW transition [5,9] are required. These transitions allow the integration of passive and active circuits to be placed in inner layers or mounted on the top layer.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, various interesting methods for the improvement of their RF performance have been presented. They are roughly divided into two categories: impedance matching [6,7,9] and parasitic compensation [5,6]. In order to match the transition impedance, the coaxial-like transition [7,9] and intermediate ground planes [6] have been investigated.…”

Section: Introductionmentioning

confidence: 99%

CPW-to-Stripline Vertical via Transitions for 60ghz LTCC Sop Applications

Lee¹

2008

PIER Letters

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Abstract-In this work, CPW-to-stripline (SL) vertical via transitions using gradually stepped vias and embedded air cavities are presented for V-band LTCC System-on-Package (SoP) applications. In order to reduce radiation loss due to abrupt via discontinuities, gradual via transitions are proposed and investigated. In addition, in order to reduce increased parasitic shunt capacitance due to stepped via structures, air cavities are embedded below the transition vias. Using a 3-D EM simulation tool, the proposed transitions are designed and analyzed, compared to the conventional transition. Three-segment transmission lines (CPW-SL-CPW) in 7-layer LTCC dielectrics were fabricated and measured. The two stepped via (STV2) transition embedding air cavities shows an insertion and return losses of 1.6 dB and below −10 dB, respectively, over 60 GHz. The transition loss per one STV2 transition is 0.7 dB at 60 GHz.

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Vertical transitions in low temperature co-fired ceramics for LMDS applications

Cited by 23 publications

References 5 publications

A Broadband GCPW to Stripline Vertical Transition in LTCC

A Broadband GCPW to Stripline Vertical Transition in LTCC

Embedded Microstrip Line to Stripline Vertical Transition Using LTCC Technique

CPW-to-Stripline Vertical via Transitions for 60ghz LTCC Sop Applications

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