Design of a 0.13-um CMOS cascade expandable &#931;&#916; modulator for multi-standard RF telecom systems

Alonso Morgado; Rocío del Río; José M. de la Rosa

doi:10.1117/12.721341

23 May 2007 Design of a 0.13-&mgr;m CMOS cascade expandable ΣΔ modulator for multi-standard RF telecom systems

Alonso Morgado, Rocío del Río, José M. de la Rosa

Author Affiliations +

Proceedings Volume 6590, VLSI Circuits and Systems III; 659015 (2007) https://doi.org/10.1117/12.721341
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain

Abstract

This paper reports a 130-nm CMOS programmable cascade &Sgr;&Dgr; modulator for multi-standard wireless terminals, capable of operating on three standards: GSM, Bluetooth and UMTS. The modulator is reconfigured at both architecture- and circuit- level in order to adapt its performance to the different standards specifications with optimized power consumption. The design of the building blocks is based upon a top-down CAD methodology that combines simulation and statistical optimization at different levels of the system hierarchy. Transistor-level simulations show correct operation for all standards, featuring 13-bit, 11.3-bit and 9-bit effective resolution within 200-kHz, 1-MHz and 4-MHz bandwidth, respectively.

Citation Download Citation

Alonso Morgado, Rocío del Río, and José M. de la Rosa "Design of a 0.13-&mgr;m CMOS cascade expandable ΣΔ modulator for multi-standard RF telecom systems", Proc. SPIE 6590, VLSI Circuits and Systems III, 659015 (23 May 2007); https://doi.org/10.1117/12.721341

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