Broadband Vertical Transitions Between Double-Sided Parallel-Strip Line and Coplanar Waveguide

Nelson, Kokkadan Jacob; Lindo, Arimpoorpallan Ouseph; Aanandan, C. K.; Mohanan, Pezholil; Vasudevan, and Kesavath

doi:10.2528/pierl18032602

Cited by 1 publication

(1 citation statement)

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“…This allows each portion (CPWG, strip-line, and via transition) to be designed separately and then brought together with minimal mismatch concerns. In [14], a via can be modeled as an LPF with the primary limitation on high-frequency use being the series inductance. The associated inductances and capacitances for the SISL via transition are shown in Fig.…”

Section: Sisl Technologymentioning

confidence: 99%

Design of a Wideband Surface Mountable Suspended Integrated Strip-Line Technology

2020

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This paper presents a low-loss surface mountable suspended integrated strip-line (SISL) technology. A DC-20 GHz thru transmission line and an eleventh-order generalized Chebyshev lowpass filter (LPF), with a cutoff frequency of 18 GHz, are simulated, fabricated, and measured to demonstrate the first-ever surface mountable suspended strip-line designs. Measured results of the thru line show less than 1 dB of insertion loss and greater than 10 dB of return loss across the 20 GHz bandwidth. Moreover, measured results of the LPF show less than 1 dB of insertion loss and greater than 10 dB return loss across the 18 GHz passband, as well as greater than 30 dB of suppression above 19 GHz. The proposed SMT SISL technology also has advantages of compact size, light-weight, low cost, and elimination of the extended circuit to be a multi-layer board following the trend to reduce the size, weight, power, and cost (SWaP-C).INDEX TERMS Chebyshev, lowpass filter (LPF), surface mount technology (SMT), suspended integrated strip-line (SISL).

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Section: Sisl Technologymentioning

confidence: 99%