All-Digital Frequency Synthesizer in Deep-Submicron CMOS - download pdf or read online

By Robert Bogdan Staszewski

ISBN-10: 0470041943

ISBN-13: 9780470041949

ISBN-10: 0471772550

ISBN-13: 9780471772552

A brand new and cutting edge paradigm for RF frequency synthesis and instant transmitter designLearn the recommendations for designing and imposing an all-digital RF frequency synthesizer. not like conventional RF options, this cutting edge e-book units forth digitally extensive layout suggestions that prepared the ground to the advance of inexpensive, low-power, and hugely built-in circuits for RF features in deep submicron CMOS approaches. moreover, the authors exhibit how the structure permits readers to combine an RF front-end with the electronic back-end onto a unmarried silicon die utilizing typical ASIC layout flow.Taking a bottom-up procedure that steadily builds talents and data, the publication starts off with an advent to easy ideas of frequency synthesis after which publications the reader via an all-digital RF frequency synthesizer design:Chapter 2 provides a digitally managed oscillator (DCO), that is the root of a unique structure, and introduces a time-domain version used for research and VHDL simulationChapter three provides a hierarchical layer of mathematics abstraction to the DCO that makes it more uncomplicated to function algorithmicallyChapter four builds a part correction mechanism round the DCO such that the system's frequency glide or wander functionality suits that of the strong exterior frequency referenceChapter five offers an program of the all-digital RF synthesizerChapter 6 describes the behavioral modeling and simulation technique utilized in designThe ultimate bankruptcy offers the implementation of an entire transmitter and experimental effects. the radical rules offered right here were carried out and confirmed in high-volume, advertisement single-chip radios built at Texas tools: Bluetooth and GSM.While the focal point of the ebook is on RF frequency synthesizer layout, the recommendations should be utilized to the layout of different digitally assisted analog circuits to boot. This e-book is a must-read for college students and engineers who are looking to examine a brand new paradigm for RF frequency synthesis and instant transmitter layout utilizing digitally extensive layout suggestions.

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Extra info for All-Digital Frequency Synthesizer in Deep-Submicron CMOS

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In the MOS varactor, on the other hand, the source and drain regions serve as vast and ready reservoirs of electrons, so this problem does not exist. 2 FULLY DIGITAL CONTROL OF OSCILLATING FREQUENCY The digital solution to control the oscillating frequency could generally be summarized as follows: A method of weighted binary switchable capacitance devices, such as varactors, is used. An array of varactors (Fig. 4) could be switched into a highor low-capacitance mode individually by a two-level digital control voltage bus, thus giving very coarse step control for the more significant bits, and less coarse step control for the less significant bits (LSBs).

The metastability problem that arises due to asynchronous timing between the two digital-phase detector inputs is handled by converting the terminating path into an analog domain through the DAC, which does not require resampling. For this reason, the architecture is not entirely digital. In this book we describe techniques for the design of a low-cost low-power all-digital synthesizer suitable for mass-market RF wireless communications. 1 IMPLEMENTATION OF AN RF SYNTHESIZER 25 IMPLEMENTATION OF AN RF SYNTHESIZER CMOS vs.

The advanced deep-submicron CMOS process total integration leads to an extremely compact and economic implementation of this sophisticated and highly functional communication system. 3 GSM originally stood for groupe speĀ“cial mobile but for marketing reasons was later renamed global system for mobile communications. 5 IMPLEMENTATION OF AN RF SYNTHESIZER 29 System Integration Challenges for Deep-Submicron CMOS Deep-submicron CMOS processes present new integration opportunities on the one hand, but make it extremely difficult to implement traditional analog circuits, on the other.

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All-Digital Frequency Synthesizer in Deep-Submicron CMOS by Robert Bogdan Staszewski

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