Abstract
In a quest for flexibility, receivers for wireless communications are being digitized. Analog filters and variable gain amplifiers (VGA) are exchanged for digital processing at the expense of a very challenging ADC. Wireless interconnectivity in particular, seems a first candidate for a full-digital baseband implementation. Compared to mobile communication, sensitivity and interferer levels are moderate. Two converter solutions for a full-digital Bluetooth receiver are presented here. The first —rather conventional- ADC achieves high resolution and low power consumption by careful design. The second solution merges analog filtering and VGA into the ADC. This results in a further power reduction because the converter performance is better tailored to the input signal.
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Philips, K., Nuijten, P.A.C.M., van Roermund, A.H.M. (2004). Continuous-time Sigma-Delta AD conversion for wireless communication. In: Huijsing, J.H., Steyaert, M., van Roermund, A. (eds) Analog Circuit Design. Springer, Boston, MA. https://doi.org/10.1007/978-1-4020-2805-2_13
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DOI: https://doi.org/10.1007/978-1-4020-2805-2_13
Publisher Name: Springer, Boston, MA
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