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Continuous-Time Digital Front-Ends for Multistandard Wireless Transmission (Paperback, Softcover reprint of the original 1st ed. 2014)
Loot Price: R5,470
Discovery Miles 54 700
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Continuous-Time Digital Front-Ends for Multistandard Wireless Transmission (Paperback, Softcover reprint of the original 1st ed. 2014)
Series: Analog Circuits and Signal Processing
Expected to ship within 10 - 15 working days
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This book describes the design of fully digital multistandard
transmitter front-ends which can directly drive one or more
switching power amplifiers, thus eliminating all other analog
components. After reviewing different architectures, the authors
focus on polar architectures using pulse width modulation (PWM),
which are entirely based on unclocked delay lines and other
continuous-time digital hardware. As a result, readers are enabled
to shift accuracy concerns from the voltage domain to the time
domain, to coincide with submicron CMOS technology scaling. The
authors present different architectural options and compare them,
based on their effect on the signal and spectrum quality. Next, a
high-level theoretical analysis of two different PWM-based
architectures - baseband PWM and RF PWM - is made. On the circuit
level, traditional digital components and design techniques are
revisited from the point of view of continuous-time digital
circuits. Important design criteria are identified and different
solutions are presented, along with their advantages and
disadvantages. Finally, two chips designed in nanometer CMOS
technologies are described, along with measurement results for
validation.
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