By Lucien Breems, Johan H. Huijsing
This article describes the layout and concept of continuous-time sigma-delta modulators for analogue-to-digital conversion in radio receivers. The book's major concentration is on dynamic variety, linearity and gear potency facets of sigma-delta modulators, that are extremely important necessities to be used in battery operated receivers.
Read or Download Continuous Time Sigma Delta Modulation for A d Conversion in Radio Receivers Volume 634 (The Springer International Series in Engineering and Computer Science) PDF
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Extra info for Continuous Time Sigma Delta Modulation for A d Conversion in Radio Receivers Volume 634 (The Springer International Series in Engineering and Computer Science)
This is the principle of noise-shaping. In the next section, the quantization error spectrum is described in more detail. Although, the white noise assumption is useful for estimating the in-band quantization error power, it is shown that the quantization error signal consists of signal dependent sequences, with periodic, offset-related tones for small input signals. 2 Tones Tones are spectral components that are induced by DC offsets, which generate periodic quantization error sequences. These periodic quantization errors occur as discrete peaks in the frequency spectrum with input signal dependent frequencies.
1999. , C. Vaucher, “A global car radio IC with inaudible signal quality checks,” ISSCC Dig. Tech. Papers, pp. 130-131, Feb. 1998. J. H. 8mW CMOS Modulator for Mobile Communication,” Proc. of Workshop on Circuits, Systems and Signal Processing, pp. 61-64, Nov. 1998. 4] Liu, Chia-Liang, “Impacts of I/Q imbalance on QPSK-OFDMQAM detection,” Proc. of Int. Conf. on Consumer Electronics, pp. 384-385, July, 1998. W. S. Sedra, “Quadrature Bandpass Modulation for Digital Radio,” IEEE J. Solid-State Circuits, vol.
Vol. 48, pp. 2125, 1973. 20] Crols, J. J. Steyaert, “A Single-Chip 900 MHz CMOS Receiver Front-End with a High Performance Low-IF Topology,” IEEE J. Solid-State Circuits, vol. 30, pp. 1483-1492, Dec. 1995. J. B. Cho, G. Chien, F. Brianti, J. A. Weldon, P. R. 9-GHz Wide-Band IF Double Conversion CMOS Receiver for Cordless Telephone Applications,” IEEE J. Solid-State Circuits, vol. 32, pp. 2071-2088, Dec. 1997. , Advanced engineering course on low-voltage lowpower analog CMOS design, Lausanne, June 21-25, 1999.
Continuous Time Sigma Delta Modulation for A d Conversion in Radio Receivers Volume 634 (The Springer International Series in Engineering and Computer Science) by Lucien Breems, Johan H. Huijsing