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Author: Matthew A. Morgan
Publisher: Artech House
ISBN: 1630814059
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
This invaluable resource introduces progressive techniques for the creation of sophisticated reflectionless filter topologies that have identically zero reflection coefficient at all frequencies. Practical implementations are discussed along with their advantages when compared to classical absorptive filters and their benefits in real-world systems such as up/down converters, multiplier chains, broadband amplifiers, analog-to-digital converters, and time-domain applications. This book offers insight into the innovative process of developing reflectionless filters from first principles using both lumped elements and transmission lines. Tools for the creation of reflectionless multiplexers, matched sloped equalizers, and advanced, high-order, and nonplanar topologies are also presented.
Author: Matthew A. Morgan
Publisher: Artech House
ISBN: 1630814059
Category : Technology & Engineering
Languages : en
Pages : 277
Get Book Here
Book Description
This invaluable resource introduces progressive techniques for the creation of sophisticated reflectionless filter topologies that have identically zero reflection coefficient at all frequencies. Practical implementations are discussed along with their advantages when compared to classical absorptive filters and their benefits in real-world systems such as up/down converters, multiplier chains, broadband amplifiers, analog-to-digital converters, and time-domain applications. This book offers insight into the innovative process of developing reflectionless filters from first principles using both lumped elements and transmission lines. Tools for the creation of reflectionless multiplexers, matched sloped equalizers, and advanced, high-order, and nonplanar topologies are also presented.
Author:
Publisher:
ISBN:
Category : Electric filters, Passive
Languages : en
Pages : 69
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Book Description
For many applications requiring some sort of signal filtering or signal conditioning, the filter requirements are usually approached with a single purpose in mind, which is to maximize both passband signal amplitude and stop band signal attenuation to the load with little to no thought given to what happens to the stop band signal energy. Many conventional filters have very poor impedance matching in the stopband resulting in reflected energy or large return loss. This reflected energy can then cause interactions with adjoining system components which do not in general respond well to spurious reflected energy and can result in degradation of system performance or other unintended consequences. This thesis implements and verifies the design procedure and examines the frequency scaling of a novel passive filter design methodology proposed by Morgan and Boyd which the authors claim results in an easy to realize reflectionless filter which has stopband reflection response superior to conventional passive filters. Following the proposed design methodology, a reflectionless filter was simulated and then realized in a hardware prototype and good agreement observed between simulation and measurement results. To determine the quality of stopband response, the reflectionless filter response was compared to a Butterworth admittance complimentary diplexer designed using accepted techniques. The reflectionless filter showed similar measured stopband response to the diplexer but this was gained with a much simpler design process than was required for the diplexer. To verify the ability of the procedure to scale the design requirements, a filter with a decade wider bandwidth was also designed and the measured response compared to a similarly scaled Butterworth diplexer. For this frequency range of interest, the reflectionless filter exhibited superior stopband rejection when compared to the diplexer. Simulation and measured results were in good agreement for both filters.
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: Wenping Cao
Publisher: BoD – Books on Demand
ISBN: 1839623772
Category : Computers
Languages : en
Pages : 154
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Book Description
Active filters are key technologies in applications such as telecommunications, advanced control, smart grids, and green transport. This book provides an update of the latest technological progress in signal processing and adaptive filters, with a focus on Kalman filters and applications. It illustrates fundamentals and guides filter design for specific applications, primarily for graduate students, academics, and industrial engineers who are interested in the theoretical, experimental, and design aspects of active filter technologies.
Author: Srikanta Patnaik
Publisher: Springer Nature
ISBN: 9811502382
Category : Technology & Engineering
Languages : en
Pages : 892
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Book Description
This book gathers selected papers presented at the Third International Conference on Mechatronics and Intelligent Robotics (ICMIR 2019), held in Kunming, China, on May 25–26, 2019. The proceedings cover new findings in the following areas of research: mechatronics, intelligent mechatronics, robotics and biomimetics; novel and unconventional mechatronic systems; modeling and control of mechatronic systems; elements, structures and mechanisms of micro- and nano-systems; sensors, wireless sensor networks and multi-sensor data fusion; biomedical and rehabilitation engineering, prosthetics and artificial organs; artificial intelligence (AI), neural networks and fuzzy logic in mechatronics and robotics; industrial automation, process control and networked control systems; telerobotics and human–computer interaction; human–robot interaction; robotics and artificial intelligence; bio-inspired robotics; control algorithms and control systems; design theories and principles; evolutional robotics; field robotics; force sensors, accelerometers and other measuring devices; healthcare robotics; kinematics and dynamics analysis; manufacturing robotics; mathematical and computational methodologies in robotics; medical robotics; parallel robots and manipulators; robotic cognition and emotion; robotic perception and decisions; sensor integration, fusion and perception; and social robotics.
Author: Xiaojun Bi
Publisher: Springer Nature
ISBN: 9819708818
Category :
Languages : en
Pages : 186
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Book Description
Author: George L. Matthaei
Publisher:
ISBN:
Category : Electric filters
Languages : en
Pages : 1134
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Book Description
Author: Matthew A. Morgan
Publisher: Artech House
ISBN: 1630816515
Category : Technology & Engineering
Languages : en
Pages : 712
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Book Description
This comprehensive resource provides a thorough introduction to the principles of electronic circuits operating in the radio, microwave, and millimeter-wave frequency ranges. The book highlights the fundamental physical laws of classical electromagnetics using a foundation of Maxwell’s equations to give insight into the operating principles of circuit elements of all kinds, from lumped elements to transmission lines, waveguides, optical fibers, and quasi-optical structures. Standard passive system components like filters, splitters, couplers, hybrids, baluns, and antennas are explained to acclimate the reader to considering multiple technological solutions for common design problems. A basic overview of active circuit designs, such as amplifiers, mixers, and multipliers is also provided, along with discussion of the performance characteristics of electronic systems, including noise and linearity. Emphasis is placed on visualization and understanding of how and why electronic circuits of all frequencies are built and operate the way they do. Readers learn how to match an amplifier for optimum noise performance over the broadest bandwidth with the fewest number of elements and how to visualize the coupling of various modes in a mixed waveguide-type structure and avoid resonances due to trapped, higher-order modes. The book provides the tools needed to design and optimize a launcher from microstrip into waveguide, and whether the best characteristics can be achieved by incorporating matching elements in the microstrip section, the waveguide section, or both. Packed with references and examples, readers learn not only how to do the math but what the math means.
Author: Jiasheng Hong
Publisher: SciTech Publishing
ISBN: 1785615890
Category : Technology & Engineering
Languages : en
Pages : 425
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Book Description
Microwave filters are the basic building blocks of communication systems. These filters, having reliable and scalable filter topologies with and without tunable properties, are capable of controlling different frequency bands as well as their fractional bandwidth to meet different system needs. There have been significant advances in the synthesis and physical realisation of microwave filter networks, and the design and applications for communication systems. This edited book presents recent advances in planar filter design. It covers a wide range of different design types, technologies and applications for wireless, microwave, communications and radar systems. A valuable reference for R&D engineers, professionals, specialists, research students and academic working on the topic of RF/microwave filters and related system applications.
Author: Protap Pramanick
Publisher: Artech House
ISBN: 1630813826
Category : Technology & Engineering
Languages : en
Pages : 437
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Book Description
This authoritative resource presents current practices for the design of RF and microwave filters. This one-stop reference provides readers with essential and practical information in order to design their own filter design software package, ultimately saving time and money. Essential building blocks for each type of filter are presented including network theory, transmission lines, and coupling mechanisms. This book presents a detailed discussion of the Low Pass Filter prototype, which is then extended to other configurations such as high pass, band pass, band stop, diplexers, and multiplexers. Microwave Network Theory and Transmission Line Coupling Mechanisms are presented along with a comprehensive discussion of the characteristics of commonly used transmission lines such as waveguides, Striplines, and Microstrip lines. Numerous design examples are presented to demonstrate an inclusive design methodology.
