Microwaves

Download CMOS Single Chip Fast Frequency Hopping Synthesizers for by Taoufik Bourdi PDF

By Taoufik Bourdi

During this e-book, the authors define designated layout method for speedy frequency hopping synthesizers for RF and instant communications purposes. there's nice emphasis on fractional-N delta-sigma established part locked loops from necessities, process research and structure making plans to circuit layout and silicon implementation. The constructed concepts within the ebook will help in designing very low noise, excessive pace fractional-N frequency synthesizers.

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Read or Download CMOS Single Chip Fast Frequency Hopping Synthesizers for Wireless Multi-Gigahertz Applications: Design Methodology, Analysis, and Implementation PDF

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Extra resources for CMOS Single Chip Fast Frequency Hopping Synthesizers for Wireless Multi-Gigahertz Applications: Design Methodology, Analysis, and Implementation

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Loop filter design equations were shown and used in the case study of a frequency synthesizer potentially used in the WLAN standard. Phase-Locked Loop Frequency Synthesizers 43 The theory presented in this chapter as well as the detailed system level simulation presented in the chapter 4 aid the design and implementation of the two fractional-N synthesizer chips described in chapters 5 and 6. F. Egan, “Modeling Phase Noise in Frequency Dividers,” IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 37 (4), pp.

2003, 150 (1), pp. 1–5. D. A. A. Kwasniewski, “Delta–Sigma Modulation in Fractional-N Frequency Synthesis,” IEEE Journal SolidState Circuits, 28, pp. 553–559, May 1993. [6] B. Miller and B. Conley, “A Multiple Modulator Fractional Divider,” Proceedings of IEEE 44th Annual Symposium Frequency Control, 1990, pp. 559–567. [7] B. Miller and B. Conley, “A Multiple Modulator Fractional Divider,” IEEE Transactions of Instrumentation Measurement, 40, pp. 578–583, June 1991. [8] V. , Wiley: New York, 1987.

The CP gain factor ICP is the value of the current used. The oscillator transfer function is given by KVCO/s. The feedback divider transfer function is given by 1/N. 1) Kd is equal to 1. The CP current ICP is in amps. The VCO gain KVCO is given in Hz/V. 2) A typical passive loop filter is a second-order filter that yields a third-order PLL. Figure 3-5 shows a passive second-order loop filter with optional third- and fourth- order extra spurious cancellation. 20 Chapter 3 ICP R3 R2 C1 C2 R4 C3 Vtune C4 Figure 3-5.

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