This book describes power management integrated circuits (PMIC), for power converters and voltage regulators necessary for energy efficient and small form factor systems. The authors discuss state-of-the-art PMICs not only for battery powered wearable devices, but also energy harvesting-based devices. The circuits presented support voltage scaling to reduce the overall average power consumption of a wearable device, resulting in longer device operating time. The discussion includes many designs, control techniques and approaches to distribute efficiently the power among different blocks in the device. * Demonstrates for readers how to innovate in designing power management integrated circuits (PMIC) suitable for wearable devices, powered by either battery or harvesting energy; * Introduces a dual outputs switched capacitor, using a single voltage regulator to minimize the area overhead and discusses the effect of having more than two outputs on the area and power efficiency; * Introduces a novel clock-less digital LDO regulator that eliminates the use of the clocked comparator and serial shift register in the conventional design; * Presents experimental results of energy harvesting-based power management units (PMU), using different combinations of power converters and voltage regulators, providing a guide for designers to select the appropriate option based on device requirements.

This book discusses the design and implementation of energy harvesting systems targeting wearable devices. The authors describe in detail the different energy harvesting sources that can be utilized for powering low-power devices in general, focusing on the best candidates for wearable applications. Coverage also includes state-of-the-art interface circuits, which can be used to accept energy from harvesters and deliver it to a device in the most efficient way. Finally, the authors present power management circuits for using multiple energy harvesting sources at the same time to power devices and to enhance efficiency of the system.

The Routledge Handbook of Arabic Second Language Acquisition introduces major current approaches in Arabic second language acquisition (SLA) research and offers empirical findings on crucial aspects and issues to do with the learning of Arabic as a foreign language and Arabic SLA. It brings together leading academics in the field to synthesize existing research and develops a new framework for analyzing important topics within Arabic SLA. This handbook will be suitable as a reference work for advanced undergraduate and postgraduate students and scholars actively researching in this area and is primarily relevant to sister disciplines within teacher training and Arabic applied linguistics. The themes and findings should, however, also be attractive to other areas of study, including theoretical linguistics, psycholinguistics, cognition, and cognitive psychology.

Arabic Grammar in Context offers a unique and exciting approach to learning grammar. It presents grammar as a necessary and essential tool for understanding Arabic and for developing comprehension and production skills. Features include: authentic texts from a rich variety of sources, literary and non-literary, used as the starting point for the illustration and explanation of key areas of Arabic grammar clear and authoritative demonstration of the relevance of grammar for understanding and interpreting Arabic a wide range of appropriate exercises designed to consolidate learning fully vocalized exercises and texts a glossary of vocabulary and expressions provided at the end of the book audio readings of the texts available online for additional listening practice. Suitable for class use and independent study, Arabic Grammar in Context is ideal for intermediate to advanced learners of Arabic.

Arabic Grammar in Context offers a unique and exciting approach to learning grammar. It presents grammar as a necessary and essential tool for understanding Arabic and for developing comprehension and production skills. Features include: authentic texts from a rich variety of sources, literary and non-literary, used as the starting point for the illustration and explanation of key areas of Arabic grammar clear and authoritative demonstration of the relevance of grammar for understanding and interpreting Arabic a wide range of appropriate exercises designed to consolidate learning fully vocalized exercises and texts a glossary of vocabulary and expressions provided at the end of the book audio readings of the texts available online for additional listening practice. Suitable for class use and independent study, Arabic Grammar in Context is ideal for intermediate to advanced learners of Arabic.

This book describes power management integrated circuits (PMIC), for power converters and voltage regulators necessary for energy efficient and small form factor systems. The authors discuss state-of-the-art PMICs not only for battery powered wearable devices, but also energy harvesting-based devices. The circuits presented support voltage scaling to reduce the overall average power consumption of a wearable device, resulting in longer device operating time. The discussion includes many designs, control techniques and approaches to distribute efficiently the power among different blocks in the device. * Demonstrates for readers how to innovate in designing power management integrated circuits (PMIC) suitable for wearable devices, powered by either battery or harvesting energy; * Introduces a dual outputs switched capacitor, using a single voltage regulator to minimize the area overhead and discusses the effect of having more than two outputs on the area and power efficiency; * Introduces a novel clock-less digital LDO regulator that eliminates the use of the clocked comparator and serial shift register in the conventional design; * Presents experimental results of energy harvesting-based power management units (PMU), using different combinations of power converters and voltage regulators, providing a guide for designers to select the appropriate option based on device requirements.

The Routledge Handbook of Arabic Second Language Acquisition introduces major current approaches in Arabic second language acquisition (SLA) research and offers empirical findings on crucial aspects and issues to do with the learning of Arabic as a foreign language and Arabic SLA. It brings together leading academics in the field to synthesize existing research and develops a new framework for analyzing important topics within Arabic SLA. This handbook will be suitable as a reference work for advanced undergraduate and postgraduate students and scholars actively researching in this area and is primarily relevant to sister disciplines within teacher training and Arabic applied linguistics. The themes and findings should, however, also be attractive to other areas of study, including theoretical linguistics, psycholinguistics, cognition, and cognitive psychology.