Design Methodology for RF CMOS Phase Locked Loops by Carlos Quemada

By Carlos Quemada

Engineers face stiff demanding situations in designing phase-locked loop (PLL) circuits for instant communications due to part noise and different hindrances. This useful booklet involves the rescue with a confirmed PLL layout and optimization technique that shall we designers verify their concepts, are expecting PLL habit, and increase affordable PLLs that meet functionality requisites it doesn't matter what IC (integrated circuit) demanding situations they arrive up opposed to. This uniquely entire toolkit takes designers step by step via operation ideas, layout methods, part noise research, format concerns, and CMOS realizations for every PLL development block. It presents a pattern layout of an absolutely built-in PLL for WLAN functions, demonstrating each step from specifications definition and circuit characterization to format iteration and circuit schematics.

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8). In this way using an individual inductor would be enough in order to achieve symmetric behavior. The balanced inductors are not suitable for designing a differential oscillator with NMOS architecture, due to the fact that in this type of architecture the power supply must be placed between the circuit tank’s two inductors. Therefore, in this case the best solution is the use of conventional inductors in mirror configuration, while in order to implement an oscillator without this issue (for example, in CMOS architecture) balanced inductors are preferred.

38, No. 12, December 2003, pp. 2209–2220. 11a Wireless LAN,’’ IEEE Journal of Solid-State Circuits, Vol. 38, No. 12, December 2003, pp. 2221–2229. [10] Leung, G. C. , and H. C. 2-GHz CMOS Synthesizer for WLAN Applications,’’ IEEE Journal of Solid-State Circuits, Vol. 39, No. 11, November 2004, pp. 1873–1882. 11a Wireless LAN Systems,’’ IEEE Journal of Solid-State Circuits, Vol. 37, No. 12, December 2002, pp. 1688–1694. 11a/b/g Wireless LANs,’’ IEEE Journal of Solid-State Circuits, Vol. 39, No. 12, December 2004, pp.

Lee, ‘‘A CMOS Frequency Synthesizer with an InjectionLocked Frequency Divider for a 5-GHz Wireless LAN Receiver,’’ IEEE Journal of SolidState Circuits, Vol. 35, No. 5, May 2000, pp. 780–787. , ‘‘A 5-GHz Direct-Conversion CMOS Transceiver,’’ IEEE Journal of Solid-State Circuits, Vol. 38, No. 12, December 2003, pp. 2232–2237. [8] Behzad, A. 11a Wireless LAN Standard,’’ IEEE Journal of SolidState Circuits, Vol. 38, No. 12, December 2003, pp. 2209–2220. 11a Wireless LAN,’’ IEEE Journal of Solid-State Circuits, Vol.

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