A Low-Power Reconfigurable Analog Filter for UMTS/WLAN Receivers View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2006-01

AUTHORS

Stefano D'amico, Vito Giannini, Andrea Baschirotto

ABSTRACT

A low-power analog filter able to be reconfigured in order to be used in UMTS and WLAN applications is reported. The 4th order low-pass continuous-time filter is going to be included in the receiver path of a reconfigurable terminal. The filter is made up by the cascade of two Active-G$_m$-RC low-pass biquadratic cells. The unity-gain-bandwidth of the opamps embedded in the Active-G$_m$-RC cells is comparable to the filter cut-off frequency. Thus, the power consumption of the opamp can be strongly reduced. In addition, the filter can be programmed in order to process UMTS and WLAN signals, while a little area overhead is required since the filter can share capacitors as well as opamps in both operations modes. The cut-off frequency deviation due to the technological spread, aging and temperature variation is adjusted by using a tuning circuit.The full device in a 0.13 μ$m CMOS technology occupies a 2.8 mm2area. More... »

PAGES

65-72

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10470-005-4586-2

DOI

http://dx.doi.org/10.1007/s10470-005-4586-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1037893257


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