Titlebook: Analog Circuit Design; Fractional-N Synthes Arthur Roermund,Michiel Steyaert,Johan H. Huijsing Book 2003 Springer Science+Business Media Ne

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Implementation Aspects of Fractional-N Techniques in Cellular Handsets mismatch. Practical guidance will be given to define a . topology. Finally, examples of fractional-N synthesis techniques used to provide LO to a receiver IQ mixer, UMTS clock and variable IF in transmitter will illustrate the necessity of this architecture in the RF system portfolio [1].

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Fractional-N Phase Locked Loops and It’s Application in the GSM Systemare presented. In the next section the blocks of the analogue part of the PLL are listed, and relevant design criterions are discussed. Finally the specifications imposed by the GSM system are mentioned, and two techniques for using a fractional-N PLL as a GMSK modulator are shown.

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Class G/H Line Drivers for xDSLrom this discussion, circuit examples of each of the three topologies are presented processing identical signals and delivering identical powers for total power consumption comparisons. Finally, several measurements of the AD8393 (Class H-like) . . system are given.

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The USB 2.0 Physical Layer: Standard and Implementationof some critical building blocks are shown. The use of integrated calibrated resistors in order to minimize the number of external components is described. Finally, silicon realizations are shown and measured results are presented.

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