Download Analog Circuit Design: Fractional-N Synthesizers, Design for by Arthur H.M. van Roermund, Michiel Steyaert, Johan Huijsing PDF

By Arthur H.M. van Roermund, Michiel Steyaert, Johan Huijsing

This booklet includes the contribution of 18 tutorials of the twelfth Workshop on Advances in Analog Circuit layout. it truly is quantity 12 within the winning sequence of Analog Circuit layout, supplying necessary info and ideal overviews of analog circuit layout, CAD, and RF structures. The sequence will be visible as a connection with these desirous about analog and mixed-signal layout. every one e-book discusses 3 particular themes on new and worthy layout rules within the zone of analog circuit layout. each one subject is mentioned by means of six specialists within the box and state of the art details is shared and overviewed. during this twelfth version the themes are Fractional-N Synthesizers, layout for Robustness, and Line and Bus Drivers. Analog Circuit layout is a vital reference resource for analog layout engineers and researchers that desire to retain abreast with the most recent advancements within the box. the educational assurance additionally makes it appropriate to be used in a sophisticated layout direction.

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Extra resources for Analog Circuit Design: Fractional-N Synthesizers, Design for Robustness, Line and Bus Drivers

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This is the classical problem that is encountered with the simulation of PLL circuits. Second, for noise simulation, the fractionalN synthesizer adds the additional constraint that its behavior is non-periodic in steady-state due to the dithering action of the divide value, which prevents the use of fast methods developed for periodic steady-state conditions [10] as used with simulators such as SpectreRF. Two techniques are presented here that allow fast and accurate simulation of both dynamic and noise performance of fractional-N synthesizers at a detailed behavioral level.

Lee, and C. Sodini, “A higher-order topology for interpolative modulation for oversampling A/D converters,” IEEE Transactions on Circuits and Systems, vol. 37, pp. 309-318, Mar. 1990. S. R. Norsworthy, R. Schreier, and G. C. Temes, Delta-Sigma Data Converters, Theory, Design, and Simulation. New York: IEEE Press, 1997. P. Ju and D. Vallancourt, “Quantization noise reduction in multibit oversampling A/D convertors,” Electronics Letters, vol. 28, pp. 11621163, June 1992. , Telecommunications Measurements, Analysis, and Instrumentation.

It is under investigation to clarify whether the spur at 500-kHz offset comes from the idle tone of the modulator with 22 nonlinearity or the coupling between the harmonic of the reference frequency and the VCO output frequency. In Fig. 16(b), the residual quantization noise of the modulator is substantial since the effective oversampling ratio is only about 50, which is not likely used in practical applications. The in-band noise contribution of the synthesizer with dithering is shown to be –88dBc/Hz at 20-kHz offset frequency, which has about 3-dB worse performance than the one in Fig.

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