China Sourcing Beschaffung, Logistik und Produktion in China
An China führt kein Weg mehr vorbei: sowohl auf der Absatz- als auch auf der Beschaffungsseite. Mit Praxisbeispielen und anschaulichen Erfahrungsberichten von (chinesischen und westlichen) China-Experten aus renommierten Unternehmen (z.B. Agilent, BASF, B
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Sensor Interfaces
The second part of this book is dedicated to the topic “Sensor Interfaces”. The first Chapter is from Tommaso Ungaretti. He presents the main MEMS sensor features and their relative market importance and market trends. After this, he focuses his discussion on possible application of MEMS sensors like accelerometers, gyroscope, magnetic field sensor, and microphone showing their past, present and future applications. In the second Chapter Michiel Pertijs discusses new solutions for capacitive sensors, addressing the power minimization. He identifies in the capacitance-todigital converter (CDC) the key block for the power minimization and deeply analyzes its performance and its power reduction limitation. Moreover he proposes two case-studies: a period-modulator-based CDC and a delta-sigma CDC, demonstrating the validity of the proposed power minimization approach. In the third Chapter, Piero Malcovati introduces electronics front end design and application for a MEMS microphone. He describes the basic capacitive front-end building block for it. Then he passes to two design examples. The first is based on a constant-charge approach. He analyzes the design of the input buffer and of the following SD modulator. The second example describes the possibility of using a force-feedback approach, and the design of the preamplifier, of the SD modulator and of the force-feedback logic is focused. Finally the fourth Chapter from Jan Kaplon presents circuit design techniques currently employed for the development of analog front-end electronics dedicated to the readout of radiation semiconductor sensors used in tracking detectors for High Energy Physics experiments. Due to the very large numbers of channels, power consumption becomes a critical issue in the analog front-end design, without compromising SNR and speed requirements. A selection of amplifier circuits were discussed in the context of the evolution of the CMOS technologies requiring the adaptation of design techniques to the new deep scaled MOS transistors properties. Andrea Baschirotto
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