Abstract
The paper deals with a bandpass sigma-delta modulator (BP SDM), which is used for conversion of signal from capacitive pressure sensor. This approach is absolutely new and unique, because this kind of modulator is utilized only for wireless and video applications. The main advantage of BP SDM is due to its defined band. That is why it is resistant against offsets of its sub-circuits. Another important advantage is low power consumption, since the BP SDM digitizes only narrow band instead of whole Nyquist band with similar dynamic range. The paper shows basic ideas of this approach and simulation results. The main stages are implemented in switched-capacitor (SC) technique. The paper presents two possibilities how to design PLL block. The first one is conventional approach and the other one is with digital sigma-delta modulator as generator of input harmonic signal.
Please use the following format when citing this chapter: Fujcik, L., Haze, J., Vrba, R., Forejtekm J., Zavoral, P., Prokop, R., Michaeli, L., 2007, in IFIP International Federation for information Processing, Volume 245, Personal Wireless Communications, eds. Simak, B., Bestak, R., Kozowska, E., (Boston: Springer), pp. 637–648.
Chapter PDF
Similar content being viewed by others
References
Ong, A,, K., Wooley, B., A. A Two-Path Bandpass SD Modulátor for Digital IF Extraction at 20 MHz, IEEE Journal of Solid-State Circuits, vol. 32, No. 12, December, 1997
Lao, CH., Leong, H., Au, K., Mok, K., U, S., Martins, R., P. A 10.7-MHz Bandpass Sigma-Delta Modulator Using Double-Delay Single-opamp SC Resonator with Double-Sampling
Tabatabaei, A., Wooley, B., A. A Two-Path Bandpass Sigma-Delta Modulátor with Extended Noise Shaping, IEEE Journal of Solid-State Circuits, vol. 35, No. 12, December. 2000
Rodrigez-Väzquez, A., Madeira, F., Janssens, E. CMOS Telecom Data Converters, Springer Verlag, 2004, 375 pages, ISBN 1402075464
Shu, K., Sánchez-Sinenco, E., CMOS PLL Synthesizers, Analysis and Design, Springer Science, 2005, 232 pages, ISBN 0-387-23669-4
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2007 International Federation for Information Processing
About this paper
Cite this paper
Fujcik, L. et al. (2007). Modeling and Design of a Novel Integrated Band-Pass Sigma-Delta Modulator. In: Bestak, R., Simak, B., Kozlowska, E. (eds) Personal Wireless Communications. IFIP — The International Federation for Information Processing, vol 245. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-74159-8_64
Download citation
DOI: https://doi.org/10.1007/978-0-387-74159-8_64
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-74158-1
Online ISBN: 978-0-387-74159-8
eBook Packages: Computer ScienceComputer Science (R0)