CMOS wireless transceiver design
CMOS wireless transceiver design
Multi-Objective Optimization Using Evolutionary Algorithms
Multi-Objective Optimization Using Evolutionary Algorithms
A Triple-Mode Sigma-Delta Modulator for Multi-Standard Wireless Radio Receivers
Analog Integrated Circuits and Signal Processing
A 1.8 V tri-mode ΣΔ modulator for GSM/WCDMA/WLAN wireless receiver
Analog Integrated Circuits and Signal Processing
Reuse Based Methodologies and Tools in the Design of Analog and Mixed-Signal Integrated Circuits
Reuse Based Methodologies and Tools in the Design of Analog and Mixed-Signal Integrated Circuits
Radio Design in Nanometer Technologies
Radio Design in Nanometer Technologies
Integration, the VLSI Journal
A high-level simulation and synthesis environment for ΔΣ modulators
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Analysis of op-amp phase margin impact on SC ΣΔ modulator performance
Microelectronics Journal
An energy-efficient reconfigurable analog-to-digital converter for orthopedic implants
Analog Integrated Circuits and Signal Processing
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This paper addresses the design techniques of reconfigurable analog-to-digital converters for multi-standard wireless communication terminals. While most multi-standard converters reported so far follow an ad hoc design approach, which do not guarantee either efficient silicon area occupation or power efficiency in the different operation modes, the methodology presented here formulates a systematic design flow that ensures that both factors are considered at all hierarchical levels. Expandible cascade modulators are considered as the starting point to further reconfigurability at the architectural level. From here on, and using a combination of accurate behavioral modeling, statistical optimization techniques, and device-level simulation, the proposed methodology handles the design complexity of a reconfigurable converter while ensuring adaptive power consumption and boosting hardware sharing. A case study is presented where a reconfigurable modulator is designed to operate under three communication standards, GSM, Bluetooth, and UMTS, in a 130 nm-CMOS technology.