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"This book addresses the design challenges in near-field wireless power transfer (WPT) systems, such as high efficiency, compact size, and long transmission range. It presents new low-profile designs for the TX/RX structures using different shapes of defected ground structures (DGS) like (H, semi-H, and spiral-strips DGS). Most near-field WPT systems depend on magnetic resonant coupling (MRC) using 3-D wire loops or helical antennas, which are often bulky. This, in turn, poses technical difficulties in their application in small electronic devices and biomedical implants. To obtain compact structures, printed spiral coils (PSCs) have recently emerged as a candidate for low-profile WPT systems. However, most of the MRC WPT systems that use PSCs have limitations in the maximum achievable efficiency due to the feeding method. Inductive feeding constrains the geometric dimensions of the main transmitting (TX)/receiving (RX) resonators, which do not achieve the maximum achievable unloaded quality factor. This book will be of interest to researchers and professionals working on WPT-related problems."

"Transfer daya nirkabel atau wireless power transfer (WPT) memiliki banyak aplikasi terutama untuk charging berbagai divais elektronika seperti implan-implan biomedik dan perangkat elektronik baik berdaya kecil (smartphone dan smart watch) ataupun berdaya besar (electronic vehicle). WPT yang memiliki topologi sederhana masih berupa tantangan karena banyak WPT yang sudah dikembangkan memiliki rangkaian elektronika yang rumit terutama dengan ditambahnya DC-DC konverter seperti kelas E. Penelitian ini menghadirkan sebuah WPT dengan metode IPT (Inductive Power Transfer) sebagai jembatan antara pemancar dan penerima yang kumparannya dibuat dengan tangan. Hasil simulasi dari desain dalam penelitian ini dengan komponen ideal menghasilkan sebuah pemancar dengan efisiensi rata-rata 77.25%, simulasi dengan komponen pasaran rata-rata 46.17%, dan hasil uji coba rangkaian pada protoboard rata-rata 41.62% dengan efisiensi tertingginya adalah 45.90%.

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Wireless power transfer (WPT) has many applications especially for elctronic devie charging such as biomedic implants, low powered devices (smartphone and smart watch), and high powered devices (electronic vehicles). Although, a WPT with simple design that provides decent efficiency is still a challenge because most of developed WPT has complexity added to its circuit with the addition of DC-DC converters such as Class E converters. This research presents a WPT using IPT method as a bridge between transmitter and receiver which coils are made by hands. The simulation with ideal components resulted with an average efficiency of 77.25%, simulation with non-ideal comonents resulting in 46.17%, and the designed circuit on a protoboard with 41.62% average efficiency with the highest point in 45.90%."

"Wireless power transmission is being investigated as a means to operate tiny medical devices such as the capsular endoscope, which is able to exist for a long period during diagnostic procedures within the body. In this paper, we examine the wireless power transmission to a capsular endoscope by electromagnetic waves to show its usability for medical applications. A modified helical antenna inside the endoscope is proposed as a power receiving antenna, operating at 915 MHz. By calculating a maximum received power in the stomach using such antenna, the results show that adequate power can be well received."

"Saat ini, pemanfaatan wireless power transfer untuk menyediakan daya bagi implan medis menjadi krusial dalam meminimalisasi tindakan operasi berulang yang diperlukan untuk penggantian baterai. Akan tetapi sistem Wireless Power dan Data Transfer (WPDT) konvensional memiliki dua koil induktif, sehingga diperlukan rangkaian yang kompleks dan area besar. Pada penelitian ini, diusulkan rangkaian pemancar WPDT koil tunggal dengan modulasi amplitudo shift keying (ASK) yang yang compact dan mampu menghasilkan efisiensi tinggi. Dua buah kapasitor parallel yang dirangkai seri dengan koil pemancar memungkinkan operasi transfer daya dan data berada pada kondisi optimal. Uji coba rangkaian pada level PCB memperoleh efisiensi sebesar 40,47% dan dapat ditingkatkan hingga 96,44% dengan rentang frekuensi 8,5 MHz hingga 11,5 MHz.

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Currently, the utilization of wireless power transfer to provide power for medical implants is crucial in minimizing the need for repeated surgical procedures for battery replacement. However, conventional Wireless Power and Data Transfer (WPDT) systems have two inductive coils, requiring complex circuitry and a large area. In this study, a single-coil WPDT transmitter circuit with amplitude shift keying (ASK) modulation is proposed, which is compact and capable of achieving high efficiency. Two parallel capacitors connected in series with the transmitter coil enable power and data transfer operations to be in optimal condition. Circuit testing at the PCB level achieved an efficiency of 40.47% and can be improved up to 96.44% within the frequency range of 8.5 MHz to 11"

"Teknologi implant biomedis menjadi salah satu teknologi yang paling banyak digunakan pada saat ini. Teknologi tersebut memanfaatkan sistem WPT untuk mentransmisikan energi nya. Salah satu bagian penting pada WPT adalah PA. Pada skripsi ini, didesain sebuah PA yang beroperasi pada frekuensi kerja 13.56 MHz yang dapat mencapai PAE hingga 80% dan gain hingga 20 dB. Pada PA ini digunakan konfigurasi Kelas A dengan menggunakan titik kerja kelas AB. PA dapat menghasilkan daya output hingga 10 dBm atau sekitar 10 mW. Tahapan desain dimulai dengan melakukan simulasi menggunakan perangkat lunak ADS (Advanced Design System) 2020 untuk menguji dan menganalisis PAE, gain, dan daya output. Berdasarkan hasil simulasi, didapatkan PAE sebesar 87.48%, gain sebesar 41.44 dBm, dan P1dB sebesar 12.39 dBm. Pada tahapan berikutnya, skematik rangkaian PA pada ADS didesain menjadi sebuah layout PCB dengan menggunakan komponen yang tersedia di pasaran. Layout PCB tersebut kemudian dicetak dan diuji. Berdasarkan pengukuran PCB, didapatkan PAE sebesar 14.58%, gain sebesar 39.1 dB, dan P1dB sebesar 12.4 dBm.

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Biomedical implant technology is one of the most widely used technologies today. The technology utilizes the WPT system to transmit its energy. One of the important parts of WPT is PA. In this research, a 13.56 MHz PA that can reach PAE up to 80% and gain up to 20 dB has been designed. This PA used Class A configurations with Class AB operation. This PA could produce an output power up to 10 dBm or approximately 10 mW. The design process started from simulation using ADS (Advanced Design System) 2020 to observe and analyze PAE, gain, and output power. Based on simulation, this PA could reach PAE up to 87.48%, gain up to 41.44 dBm, and P1dB of 12.39 dBm. The next step of the design process is designing a PCB layout based on the schematic on ADS 2020 using available components. The PCB layout was printed and tested. Based on the PCB testing result, this PCB could reach PAE up to 14.58%, gain up to 39.1 dB, and P1dB of 12.4 dBm."

"This book describes a flexible and largely automated methodology for adding the estimation of power consumption to high level simulations at the electronic system level (ESL). This method enables the inclusion of power consumption considerations from the very start of a design. This ability can help designers of electronic systems to create devices with low power consumption. The authors also demonstrate the implementation of the method, using the popular ESL language “SystemC”. This implementation enables most existing SystemC ESL simulations for power estimation with very little manual work. Extensive case-studies of a Network on Chip communication architecture and a dual-core application processor “ARM Cortex-A9” showcase the applicability and accuracy of the method to different types of electronic devices. The evaluation compares various trade-offs regarding amount of manual work, types of ESL models, achieved estimation accuracy and impact on the simulation speed.- Describes a flexible and largely automated ESL power estimation method;- Shows implementation of power estimation methodology in SystemC;- Uses two extensive case studies to demonstrate method introduced."

"This book consists of the identification, characterization, and modeling of electromagnetic interferences in substations for the deployment of wireless sensor networks. The authors present in chapter 3 the measurement setup to record sequences of impulsive noise samples in the ISM band of interest. The setup can measure substation impulsive noise, in wide band, with enough samples per time window and enough precision to allow a statistical study of the noise. During the measurement campaign, the authors recorded around 120 noise sequences in different substations and for four ranges of equipment voltage, which are 25 kV, 230 kV, 315 kV and 735 kV. A characterization process is proposed, by which physical characteristics of partial discharge can be measured in terms of first- and second-order statistics. From the measurement campaign, the authors infer the characteristics of substation impulsive noise as a function of the substation equipment voltage, and can provide representative parameters for the four voltage ranges and for several existing impulsive noise models."

"This textbook provides an in-depth treatment of the physics of power semiconductor devices that are commonly used by the power electronics industry. Drawing upon decades of industry and teaching experience and using numerous examples and illustrative applications, the author discusses in detail the various device performance attributes that allow practicing engineers to develop energy-efficient products. Coverage includes all types of power rectifiers and transistors and analytical models for explaining the operation of all power semiconductor devices are developed and demonstrated in each section of the book. Throughout the book, emphasis is placed on deriving simple analytical expressions that describe the underlying physics and enable representation of the device electrical characteristics. This treatment is invaluable for teaching a course on power devices because it allows the operating principles and concepts to be conveyed with quantitative analysis. The treatment focuses on silicon devices but includes the unique attributes and design requirements for emerging silicon carbide devices. This new edition also includes a chapter on the impact of power semiconductor devices on energy savings and reduction of carbon emissions."

"Wireless and mobile communications is a fast growing area and has an enormous impact on almost every aspect of our daily lives. This new book examines integrated circuits, systems and transceivers for wireless and mobile communications. It covers the most recent developments in key RF, IF, analogue, mixed-signal components and single-chip transceivers in CMOS technology, a preferred technology for system on chip design. The book takes a top-down approach from wireless communications systems, mobile terminals/transceivers, to constituent blocks, and covers the whole range of analogue, mixed signal, baseband, IT and RF circuits in a systematic way."