Low Voltage, Low Power CMOS Current Conveyors

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Low Voltage, Low Power CMOS Current Conveyors
By Giuseppe Ferri, Nicola C. Guerrini

Publisher:   Springer
Number Of Pages:   226
Publication Date:   2003-07-31
ISBN-10 / ASIN:   1402074867
ISBN-13 / EAN:   9781402074868
Binding:   Hardcover

Research in Analog integrated circuits has recently gone in the direction of low-voltage (LV), low-power (LP) design, especially in the environment of portable systems where a low supply voltage, given by a single-cell battery, is used. These LV circuits have to show a reduced power consumption to maintain a longer battery lifetime as well. In this area, traditional voltage-mode techniques are going to be substituted by the current-mode approach, which has the recognized advantage to overcome the gain-bandwidth product limitation, typical of operational amplifiers. Then they do not require high voltage gains and have good performance in terms of speed, bandwidth and accuracy. Inside the current-mode architectures, the current-conveyor (CCII) can be considered the basic circuit block because all the active devices can be made of a suitable connection of one or two CCIIs. CCII is particularly attractive in portable systems, where LV LP constraints have to be taken into account. In fact, it suffers less from the limitation of low current utilisation, while showing full dynamic characteristics at reduced supplies (especially CMOS version) and good high frequency performance. Recent advances in integrated circuit technology have also highlighted the usefulness of CCII solutions in a large number of signal processing applications.
In Low Voltage, Low Power CMOS Current Conveyors, the authors start by giving a brief history of the first and second generation CC. Then, the second generation current-conveyor (CCII) will be considered as a building block in the main active feedback devices and in the implementation of simple analog functions, as an alternative to OA. In the next chapters, the design of CCII topologies will be considered, together with a further look into CCII modern solutions and future trends. The authors will, therefore, describe LV LP CCII implementations, their evolution towards differential and generalized topologies, and new possible CCII applications in some basic analog functions such as filters, impedance simulators and converters, oscillators, among others.
Being a concise and modern book on current conveyors, Low Voltage, Low Power CMOS Current Conveyors considers these kinds of devices both in a general environment and for low-voltage low-power applications. This book can constitute an excellent reference for analog designers and researchers and is suitable for use as a textbook in an advanced course on Microelectronics.

liuzhieetop

Low Voltage, Low Power CMOS Current Conveyors

liuzhieetop

Low Voltage, Low Power CMOS Current Conveyors

liuzhieetop

Low Voltage, Low Power CMOS Current Conveyors

liuzhieetop

Low Voltage, Low Power CMOS Current Conveyors

keqihu

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keqihu

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tanner123

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