Analysis and Design of Miniaturized Substrate Integrated Waveguide CSRR Bandpass Filters for Wireless Communication PDF Download
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Author: Nitin Muchhal
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Microwave planar bandpass filters are indispensable in wireless communication systems in most applications. With miniaturization and limited spectrum, there is a great need for a compact, selective bandpass filter with a wide stopband performance. Substrate integrated waveguide (SIW) has become a potential technology for designing and developing microwave and millimeter-wave components, circuits, and systems. This chapter presents novel, compact metamaterial-based bandpass filters with improved stopbands. Several filters,Äô design methodology and performance are evaluated using broadside-coupled complementary split-ring resonators (BC-CSRR) and edge-coupled complementary split-ring resonators (EC-CSRR) techniques. A comprehensive method to evaluate negative permittivity and permeability for designing the proposed metamaterial structure is also described. These filters have not only compact size but also a wider upper stopband resulting from bandstop resonator characteristics.
Author: Nitin Muchhal
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Microwave planar bandpass filters are indispensable in wireless communication systems in most applications. With miniaturization and limited spectrum, there is a great need for a compact, selective bandpass filter with a wide stopband performance. Substrate integrated waveguide (SIW) has become a potential technology for designing and developing microwave and millimeter-wave components, circuits, and systems. This chapter presents novel, compact metamaterial-based bandpass filters with improved stopbands. Several filters,Äô design methodology and performance are evaluated using broadside-coupled complementary split-ring resonators (BC-CSRR) and edge-coupled complementary split-ring resonators (EC-CSRR) techniques. A comprehensive method to evaluate negative permittivity and permeability for designing the proposed metamaterial structure is also described. These filters have not only compact size but also a wider upper stopband resulting from bandstop resonator characteristics.
Author: Ahmed Kishk
Publisher: BoD – Books on Demand
ISBN: 1803559276
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
Microwave bands range from 300 MHz to 300 GHz of the electromagnetic spectrum. These signals can be used in communication, networking, astronomy, and biomedical engineering, among other fields. This book provides a comprehensive overview of the physics of microwave signals, techniques for modeling these signals, uses of these signals in various fields, and the underlying principles of some of the latest microwave devices currently available.
Author: Vikram Sekar
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The main purpose of this dissertation was to address key issues in the design and analysis of RF/microwave filters for wireless applications. Since RF/microwave filters are one of the bulkiest parts of communication systems, their miniaturization is one of the most important technological challenges for the development of compact transceivers. In this work, novel miniaturization techniques were investigated for single-band, dual-band, ultra-wideband and tunable bandpass filters. In single-band filters, the use of cross-shaped fractals in half-mode substrate-integrated-waveguide bandpass filters resulted in a 37 percent size reduction. A compact bandpass filter that occupies an area of 0.315 mm2 is implemented in 90-nm CMOS technology for 20 GHz applications. For dual-band filters, using half-mode substrate-integrated-waveguides resulted in a filter that is six times smaller than its full-mode counterpart. For ultra-wideband filters, using slow-wave capacitively-loaded coplanar-waveguides resulted in a filter with improved stopband performance and frequency notch, while being 25 percent smaller in size. A major part of this work also dealt with the concept of 'hybrid' RF MEMS tunable filters where packaged, off-the-shelf RF MEMS switches were used to implement high-performance tunable filters using substrate-integrated-waveguide technology. These 'hybrid' filters are very easily fabricated compared to current state-of-the-art RF MEMS tunable filters because they do not require a clean-room facility. Both the full-mode and half-mode substrate-integrated waveguide tunable filters reported in this work have the best Q-factors (93 - 132 and 75 - 140, respectively) compared to any 'hybrid' RF MEMS tunable filter reported in current literature. Also, the half-mode substrate-integrated waveguide tunable filter is 2.5 times smaller than its full-mode counterpart while having similar performance. This dissertation also presented detailed analytical and simulation-based studies of nonlinear noise phenomena induced by Brownian motion in all-pole RF MEMS tunable filters. Two independent mathematical methods are proposed to calculate phase noise in RF MEMS tunable filters: (1) pole-perturbation approach, and (2) admittance-approach. These methods are compared to each other and to harmonic balance noise simulations using the CAD-model of the RF MEMS switch. To account for the switch nonlinearity in the mathematical methods, a nonlinear nodal analysis technique for tunable filters is also presented. In summary, it is shown that output signal-to-noise ratio degradation due to Brownian motion is maximum for low fractional bandwidth, high order and high quality factor RF MEMS tunable filters. Finally, a self-sustained microwave platform to detect the dielectric constant of organic liquids is presented in this dissertation. The main idea is to use a voltage- controlled negative-resistance oscillator whose frequency of oscillation varies according to the organic liquid under test. To make the system self-sustained, the oscillator is embedded in a frequency synthesizer system, which is then digitally interfaced to a computer for calculation of dielectric constant. Such a system has potential uses in a variety of applications in medicine, agriculture and pharmaceuticals.
Author: Xiaojun Bi
Publisher: Springer Nature
ISBN: 9811678413
Category : Technology & Engineering
Languages : en
Pages : 134
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Book Description
The book systematically introduces the design theory and method of multi-band RF filtering circuits for the modern wireless communication systems or radar systems, which are required to operate at multi-bands. These multi-band filtering RF circuits have drawn more and more attention from the engineers and scientists in the field of RF circuits design. The book proposes the detailed theoretical analysis and abundant experimental data of multi-mode resonators, multi-band bandpass filter with high selectivity, reflectionless multi-band bandpass filter, balanced filter with high suppression, slotline based multi-band balun filter, switchable filtering diplexer based on reused L-shape resonator and miniaturized 55-/95-GHz on-chip dual-band bandpass Filter. The book is intended for undergraduate and graduate students who are interested in filtering circuits design, researchers who are investigating RF & microwave systems, as well as design engineers who are working in the RF & microwave circuits field. Readers can get an in-depth understanding about the multi-band RF filtering circuits design theory and method.
Author: Sergey Yurish
Publisher: Lulu.com
ISBN: 8460823202
Category : Technology & Engineering
Languages : en
Pages : 210
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Book Description
Sensors & Signals is the 1st book from the Book Series of the same name published by IFSA Publishing. The book contains 8 chapters written by authors from universities and research centers from 12 countries. The coverage includes most recent developments in: - Virtual instrumentation for analysis of ultrasonic signals; - Humidity sensors (materials, preparation and characteristics); - Fault tolerance and fault management issues in Wireless Sensor Networks; - Localization of target nodes in a 3-D Wireless Sensor Network; - Opto-elastography imaging technique for tumor localization and characterization; - Nuclear and geophysical sensors for landmines detection; - Optimal color space for human skin detection at image recognition; - Design of narrowband substrate integrated waveguide bandpass filters. With its distinguished editors and international team of contributors Sensors & Signals is suitable for academic and industrial research scientists, engineers as well as PhD students.
Author: Arifur Rahman Chowdhury
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845415833
Category :
Languages : en
Pages : 80
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Book Description
The use of Substrate Integrated Waveguide (SIW) in the design of microwave band pass filter has been very popular in recent years. Attractive SIW filters include compact size, high power handling capability and low loss. The aim of this project is to design and investigate the performance of RF filter using Half-mode Substrate Integrated Waveguide (HMSIW) technique. The project is divided into three major parts, design, simulation and fabrication. The report starts with a brief literature review followed by details on the most important aspects of building a filter. The simulation software's used are briefly discussed with the key aspects of individual and how they are being used in the design and simulation process. The next section comprises of details about the design process combining with bulk simulation data and also the fabrication process of the filter. The section compares data after methodical changes brought to the filter and concludes by discussing about the final experimental data. The following section briefly summarizes all the simulation performed on a multilayer filter, and observes how certain changes to the filter affect the response.
Author: Angela Coves
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
The SIW technology combines complete shielding and fairly low losses with simple and cost-effective manufacturing, thus representing the ideal platform for the development of the next generation of wireless systems, including the band-pass filters among them. In this chapter, a number of novel SIW filter configurations will be presented to improve the filter performance, reduce losses, and minimize the filter footprint. To this end, different topologies of band-pass filters in SIW technology will be described based on stepped-impedance configurations (with high and low dielectric constant sections) making use of the impedance inverter model, extending this concept to half-mode SIW structures, with the aim to reduce the size of the filters.
Author: Lakshman Athukorala
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: U. Jankovic
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: 陳建勳
Publisher:
ISBN:
Category :
Languages : en
Pages : 200
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Book Description
