Actions for Power Trade-offs and Low-Power in Analog CMOS ICs [electronic resource]

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Power Trade-offs and Low-Power in Analog CMOS ICs [electronic resource] / by Mihai A.T. Sanduleanu, Ed A.J.M. van Tuijl

Author
Sanduleanu, Mihai A. T.
Published
New York, NY : Springer US : Imprint: Springer, 2002.
Edition
1st ed. 2002.
Physical Description
XX, 214 pages : online resource
Additional Creators
Tuijl, Ed A. J. M. van and SpringerLink (Online service)
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Contents
Power considerations in sub-micron digital CMOS -- Power considerations in sub-micron analog CMOS -- Gm-C integrators for low-power and low voltage applications. A gaussian polyphase filter for mobile transceivers in 0.35?m CMOS -- Chopping: a technique for noise and offset reduction -- Low-noise, low residual offset, chopped amplifiers for high-end applications -- A 16-bit D/A interface with Sinc approximated semidigital reconstruction filter -- Conclusions.
Summary
The enormous rise of digital applications in the last two decades arouses the suggestion that analog techniques will lose their importance. However in applications that work with digital signals analog techniques are still very important for a number of reasons. First the signal that must be processed or stored may be analog at the input and output of the system. Second when digital circuits must operate at high speed the analog behavior becomes important again. And third when only limited bandwidth and signal to noise ratio is available the theoretical maximum data rate is determined by Shannon's law. This theoretical limit can only be approximated in practice when complex modulation schemes are used, and after this modulation process the signal is analog again. Of course this does effect the tremendous advantage of digital signals compared to analog signals. Where analog signals deteriorate every time they are processed or stored, digital signals can be recovered perfectly when they are tailored to the properties of the system they are used for. The accuracy of digital signal processing is only limited by practical constraints and many digital signals can be compressed very effective so that after compression they use less bandwidth then their analog counterparts. In any application there will thus be analog and digital parts and often the choice has to be made if an analog or a digital solution is preferred for a certain function.
Subject(s)
ISBN
9780306481406
Digital File Characteristics
PDF
text file
Part Of
Springer Nature eBook
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