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Frequency Measurement Technology
This unique first-of-its-kind resource provides practical coverage of the design and implementation of frequency measurement receivers, which aid in identifying unknown signals. The technologies used in frequency measurement interferometry-based on-delay lines and filters are explored in this book. Practitioners also find concrete examples of microwave photonics implementations. The designs and concepts that cover conventional photonic instantaneous frequency measurement (IFM) circuits are explained. This book provides details on new designs for microwave photonic circuits and reconfigurable frequency measurement (RFM) circuits using diodes and MicroElectroMechanical Systems (MEMS). This boo...
Radio Frequency Identification
RFID based application creates tremendous new business opportunities such as the support of independent living of elderly and disabled persons, efficient supply chains, efficient anti-counterfeiting and better environmental monitoring. RFID data management, scalable information systems, business process reengineering, and evaluating investments are emerging as significant technical challenges to applications underpinned by new developments in RFID technology. This book presents the contributions from world leading experts on the latest developments and state-of-the-art results in the RFID field to address these challenges. The book offers a comprehensive and systematic description of technologies, architectures, and methodologies of various efficient, secure, scalable, and reliable RFID and RFID based applications.
Microwave Techniques in Superconducting Quantum Computers
The first of its kind, Microwave Techniques in Superconducting Quantum Computers introduces microwave and quantum engineers to essential practical techniques and theoretical foundations crucial for operating and implementing hardware in superconducting quantum processors. This practical resource covers an extensive range of topics, including Introduction to Quantum Physics, Introduction to Quantum Computing, Superconducting Qubits, Microwave Systems, Microwave Components, Principles of Electromagnetic Compatibility, Control Hardware for Superconducting Qubits, and Principles of Cryogenics. Such technical knowledge equips the reader with essential skills to succeed in the demanding industries...
Vertical GaN and SiC Power Devices
This unique new resource provides a comparative introduction to vertical Gallium Nitride (GaN) and Silicon Carbide (SiC) power devices using real commercial device data, computer, and physical models. This book uses commercial examples from recent years and presents the design features of various GaN and SiC power components and devices. Vertical verses lateral power semiconductor devices are explored, including those based on wide bandgap materials. The abstract concepts of solid state physics as they relate to solid state devices are explained with particular emphasis on power solid state devices. Details about the effects of photon recycling are presented, including an explanation of the ...
Lumped Elements for RF and Microwave Circuits, Second Edition
Fully updated and including entirely new chapters, this Second Edition provides in-depth coverage of the different types of RF and microwave circuit elements, including inductors, capacitors, resistors, transformers, via holes, airbridges, and crossovers. Featuring extensive formulas for lumped elements, design trade-offs, and an updated and current list of references, the book helps you understand the value and usefulness of lumped elements in the design of RF, microwave and millimeter wave components and circuits. You’ll find a balanced treatment between standalone lumped elements and their circuits using MICs, MMICs and RFICs technologies. You’ll also find detailed information on a br...
Nonlinear Design: FETs and HEMTs
Despite its continuing popularity, the so-called standard circuit model of compound semiconductor field-effect transistors (FETs) and high electron mobility transistors (HEMTs) is shown to have a limitation for nonlinear analysis and design: it is valid only in the static limit. When the voltages and currents are time-varying, as they must be for these devices to have any practical use, the model progressively fails for higher specification circuits. This book shows how to reform the standard model to render it fully compliant with the way FETs and HEMTs actually function, thus rendering it valid dynamically. Proof-of-principle is demonstrated for several practical circuits, including a freq...
Parameter Extraction and Complex Nonlinear Transistor Models
All model parameters are fundamentally coupled together, so that directly measured individual parameters, although widely used and accepted, may initially only serve as good estimates. This comprehensive resource presents all aspects concerning the modeling of semiconductor field-effect device parameters based on gallium-arsenide (GaAs) and gallium nitride (GaN) technology. Metal-semiconductor field-effect transistors (MESFETs), high electron mobility transistors (HEMTs) and heterojunction bipolar transistors (HBTs), their structures and functions, and existing transistor models are also classified. The Shockley model is presented in order to give insight into semiconductor field-effect tran...
La situación del trabajo en México, 2003
Comprises 15 articles by different authors.
PRODUCTIVIDAD Y MERCADO DE TRABAJO EN MÉXICO
Productividad y mercado de trabajo en México constituye un esfuerzo analítico conjunto de Enrique Hernández Laos, Nora Garro Bordonaro e Ignacio Llamas Huitrón, por examinar el papel que ha desempeñado el mercado laboral mexicano en las tendencias de largo plazo (1950-1995) de la productividad total de los factores en la economía nacional.
Public Education, Neoliberalism, and Teachers
From pressure to "teach to the test" and the use of quantitative metrics to define education "quality," to the rise of "school choice" and the shift of principals from colleagues to managers, teachers in New York, Mexico City, and Toronto have experienced strikingly similar challenges to their professional autonomy. By visiting schools and meeting teachers, government officials, and union leaders, Paul Bocking identifies commonalities that are shaping how teachers work and public schools function. While arguing that neoliberal education policy is a dominant trend transcending the realities of school districts, states, or national governments, Bocking also demonstrates the importance of local context to explain variations in education governance, especially when understanding the role of resistance led by teachers’ unions.
