Narrow Band-Pass Filters for Low Frequency Applications PDF Download
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Author: Raman K. Attri
Publisher: Speed To Proficiency Research: S2Pro©
ISBN: 9811198721
Category : Technology & Engineering
Languages : en
Pages : 102
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Book Description
Narrow Band-pass filtering techniques have been a challenging task since the inception of audio and telecommunication applications. The challenge involves keeping quality factor, gain and mid-frequency of the filter independent of each other. The critical applications require a design that ensures mid-frequency immune to the circuit component tolerances. It becomes increasingly difficult for low-frequency applications where the shift in few Hz in mid-frequency would cause desired frequencies to fall outside the filter’s bandwidth and go undetected. The selection of right topology of the filter for the best performance is the key to successful design. This book objectively compares the relative performance of none popular narrow band-pass filter topologies. The filter topologies are evaluated using a real-world practical example of designing an extremely narrow band-pass filter. The book provides guidelines for selecting the right topology for the low-frequency narrow band-pass filter.
Author: Raman K. Attri
Publisher: Speed To Proficiency Research: S2Pro©
ISBN: 9811198721
Category : Technology & Engineering
Languages : en
Pages : 102
Get Book Here
Book Description
Narrow Band-pass filtering techniques have been a challenging task since the inception of audio and telecommunication applications. The challenge involves keeping quality factor, gain and mid-frequency of the filter independent of each other. The critical applications require a design that ensures mid-frequency immune to the circuit component tolerances. It becomes increasingly difficult for low-frequency applications where the shift in few Hz in mid-frequency would cause desired frequencies to fall outside the filter’s bandwidth and go undetected. The selection of right topology of the filter for the best performance is the key to successful design. This book objectively compares the relative performance of none popular narrow band-pass filter topologies. The filter topologies are evaluated using a real-world practical example of designing an extremely narrow band-pass filter. The book provides guidelines for selecting the right topology for the low-frequency narrow band-pass filter.
Author: Lester B. Merryman
Publisher:
ISBN:
Category : Physiological measurements
Languages : en
Pages : 22
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Book Description
Author: Cuong Nguyen-Tuan
Publisher:
ISBN: 9781124907925
Category :
Languages : en
Pages :
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Book Description
We present the design and development of a narrow band band-pass filter based on metamaterial concepts. First, the concept of composite right/left-handed (CRLH) transmission lines is briefly summarized. Based on this concept, we propose a novel unit cell structure built on a 3D multilayer substrate. This unit cell structure is used as a resonator in the design of a band-pass filter. The size of the left-handed band-pass filter is minimized because of the small size of the left-handed resonator. The left-handed resonator was fabricated and its electrical characteristics were measured. Finally, the narrow band band-pass filter based on the left-handed resonator was designed and optimized at 3.5 GHz to achieve 10% bandwidth. A prototype of the left-handed filter was fabricated and measured. Measurement results show that the filter has a center frequency of 3.88 GHz, an 8.63% 3 dB fractional bandwidth and 3.1 dB insertion loss at the center frequency. The rejection of this filter is better than 18 dB up to 8 GHz. The overall size of this filter is only 240 mils x 200 mils x 14 mils, which attractive to integrated circuit and cell phone applications. The analytical and experimental results of this left-handed filter contribute toward the development of novel miniaturized microwave and millimeter wave circuits based on the concept of metamaterial.
Author: Arthur Bernard Williams
Publisher: McGraw-Hill Companies
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 580
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Book Description
Author: Paul G. Savage
Publisher:
ISBN:
Category : Electric filters
Languages : en
Pages : 33
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Book Description
An optimum small size, low frequen y, narrow band-pass filter amplifier is theoretically designed for the purpose of improving the signalto-noise ratio of infrared radiation detectors. Optimum design is based on maximum sharpness for minimum physical size. The filter is designed to be comparable to a miniature correlator, previously developed for the same purpose and described in another report, both in physical size and in noise elimination effectiveness. Optimum design curves of filter component values as a function of a normalized design time constant have been prepared. The theoretical effectiveness of the filter in eliminating noise is presented graphically and compared to similar correlator performance data. (Author).
Author: Hank Zumbahlen
Publisher:
ISBN: 9780916550288
Category : Electric circuits, Linear
Languages : en
Pages :
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Book Description
Author: Lei Zhu
Publisher: John Wiley & Sons
ISBN: 1118197976
Category : Technology & Engineering
Languages : en
Pages : 184
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Book Description
This book will appeal to scientists and engineers who are concerned with the design of microwave wideband devices and systems. For advanced (ultra)-wideband wireless systems, the necessity and design methodology of wideband filters will be discussed with reference to the inherent limitation in fractional bandwidth of classical bandpass filters. Besides the detailed working principles, a large number of design examples are demonstrated, which can be easily followed and modified by the readers to achieve their own desired specifications. Therefore, this book is of interest not only to students and researchers from academia, but also to design engineers in industry. With the help of complete design procedures and tabulated design parameters, even those with little filter design experience, will find this book to be a useful design guideline and reference, which can free them from tedious computer-aided full-wave electromagnetic simulations. Among different design proposals, wideband bandpass filters based on the multi-mode resonator have demonstrated many unparalleled attractive features, including a simple design methodology, compact size, low loss and good linearity in the wide passband, enhanced out-of-band rejection, and easy integration with other circuits/antennas. A conventional bandpass filter works under single dominant resonant modes of a few cascaded transmission line resonators and its operating bandwidth is widened via enhanced coupling between the adjacent resonators. However, this traditional approach needs an extremely high coupling degree of coupled-lines while producing a narrow upper stopband between the dominant and harmonic bands. As a sequence, the desired dominant passband is restricted to an extent less than 60% in fractional bandwidth. To circumvent these issues and break with the tradition, a filter based on the multiple resonant modes was initially introduced in 2000 by the first author of this book. Based on this novel concept, a new class of wideband filters with fractional bandwidths larger than 60% has been successfully developed so far. This book, presents and characterizes a variety of multi-mode resonators with stepped-impedance or loaded-stub configurations using the matured transmission line theory for development of advanced microwave wideband filters.
Author: Stephan J. G. Gift
Publisher: Springer Nature
ISBN: 3030793753
Category : Technology & Engineering
Languages : en
Pages : 676
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Book Description
This textbook for core courses in Electronic Circuit Design teaches students the design and application of a broad range of analog electronic circuits in a comprehensive and clear manner. Readers will be enabled to design complete, functional circuits or systems. The authors first provide a foundation in the theory and operation of basic electronic devices, including the diode, bipolar junction transistor, field effect transistor, operational amplifier and current feedback amplifier. They then present comprehensive instruction on the design of working, realistic electronic circuits of varying levels of complexity, including power amplifiers, regulated power supplies, filters, oscillators and waveform generators. Many examples help the reader quickly become familiar with key design parameters and design methodology for each class of circuits. Each chapter starts from fundamental circuits and develops them step-by-step into a broad range of applications of real circuits and systems. Written to be accessible to students of varying backgrounds, this textbook presents the design of realistic, working analog electronic circuits for key systems; Includes worked examples of functioning circuits, throughout every chapter, with an emphasis on real applications; Includes numerous exercises at the end of each chapter; Uses simulations to demonstrate the functionality of the designed circuits; Enables readers to design important electronic circuits including amplifiers, power supplies and oscillators.
Author: S. Sitharama Iyengar
Publisher: CRC Press
ISBN: 1439862834
Category : Computers
Languages : en
Pages : 751
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Book Description
The best-selling Distributed Sensor Networks became the definitive guide to understanding this far-reaching technology. Preserving the excellence and accessibility of its predecessor, Distributed Sensor Networks, Second Edition once again provides all the fundamentals and applications in one complete, self-contained source. Ideal as a tutorial for
Author: Raed A. Abd-Alhameed
Publisher: MDPI
ISBN: 3039362127
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
This book addresses the true innovation in engineering design that may be promoted by blending together models and methodologies from different disciplines, and, in this book, the target was exactly to follow this approach to deliver a new disruptive architecture to deliver these next-generation mobile small cell technologies. According to this design philosophy, the work within this book resides in the intersection of engineering paradigms that includes “cooperation”, “network coding”, and “smart energy-aware frontends”. These technologies will not only be considered as individual building blocks, but re-engineered according to an inter-design approach resulting in the enabler for energy efficient femtocell-like services on the move. The book aims to narrow the gap between the current networking technologies and the foreseen requirements that are targeted at the future development of the 5G mobile and wireless communications networks in terms of the higher networking capacity, the ability to support more users, the lower cost per bit, the enhanced energy efficiency, and adaptability to new services and devices (for example, smart cities, and the Internet of things (IoT)).
