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In this paper, a new guided wave configuration hybrid integrated SIW-CPW with compact layout is proposed. The transmission performance, dispersion performance, attenuation performance and Sensitivities of characteristic of SIW-CPW with respect to various parameters are simulated. The results show that the SIW-CPW with the almost same normalized propagation constant and attenuation constant has lower...
We present a simulation methodology of propagation parameters and study their relationship with flux effects in a High Temperature Superconducting (HTS) Coplanar Waveguide placed in an external magnetic field. The impact of vortex dynamics on the electromagnetic signal propagation is clearly made out for a wide range of applied field, temperature and strip thickness. The vortex effects are incorporated...
In this work, a miniaturized, artificial transmission line is proposed as delay line for a frequency scanning array antennas. The delay line comprises 15 cascaded synthetic coplanar waveguide cells and was fabricated with a low cost FR4 substrates. The design was optimized via simulation and its performance was validated with the fabricated prototype delay line. At 2.4 GHz, the 16 cm long line provides...
The manufacturing of interconnects often leads to conductors with a non-rectangular cross-section. Especially for sharp edges, it is therefore important to study the influence of corner effects on the interconnect circuit characteristics. Firstly, the electromagnetic behavior of a finite conducting 2-D wedge is investigated. Secondly, as an application example, a broadband transmission line model...
In this paper, experimental results of a new compact high-quality-factor shielded transmission line implemented on a CMOS 0.35-μm technology are presented, with a very good agreement between measurement and simulations. Then, based on the measured transmission line geometry, 3D electromagnetic simulations are carried out to study the effect of the floating shield dimensions and derive some design...
This paper presents the design, characteristics, and measured results of various passive structures needed in the realisation of millimetre wave radio front ends in CMOS. Transmission lines are inherently scalable in length and, thus, different inductance values can be realised easily using short circuited lines. Three different coplanar waveguide structures were characterised and the benefits and...
Transmission lines are becoming of common use at mm-wave to implement on-chip functions as impedance matching, filtering and interconnects. Lack of an accurate and fast simulation method is nonetheless evident for transmission lines in scaled CMOS where metal dummies inserted for IC planarization make their physical structure extremely complicate. Although lines are not uniform due to displacement...
This paper discusses the design of a 60 GHz low noise amplifier (LNA) using a standard low power SOI CMOS process from ST Microelectronics. First, we outline the technology as well as the mm-wave design challenges. Using recent work on coplanar waveguide (CPW) modeling, we describe how it's possible to use parametric, 3D electromagnetic simulation to complete or replace analytical models of on-chip...
This work is focused on frequency domain electrical characterization of ink-jet printed coplanar waveguides (CPWs). The waveguides were designed and printed using conductive nanosilver ink at room temperature and sintered at 300degC. Distributed models, dependent on frequency, have been developed and some relevent parameters such as impedance, attenuation, are derived over frequency band from 30 kHz...
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