Title :
A 1.2V Programmable ADC for a Multi-Mode Transceiver in 0.13μm CMOS
Author :
Chang, Dong-Young ; Javvadi, Sreekar ; Muñoz, Carlos ; Abele, Jason ; Hadiashar, Ali ; Lugin, Mike ; Quintal, Rick ; Dawe, Geoffrey
Author_Institution :
BitWave Semicond., Lowell, MA
Abstract :
A flexible ADC for a multi-band and multi-mode transceiver is presented. It can be reconfigured between pipeline and DeltaSigma architectures for power optimum operation in WLAN/WiMAX and GSM/CDMA2000/WCDMA, respectively. A maximum dynamic range of 76 dB with less than 1 mW at 1.2 V supply was achieved using voltage scaling and closed-loop opamp design techniques. The prototype was built in 0.13 mum CMOS and the active die area is 0.43 mm2.
Keywords :
CMOS integrated circuits; analogue-digital conversion; cellular radio; code division multiple access; operational amplifiers; transceivers; wireless LAN; CDMA2000; CMOS technology; GSM; WCDMA; WiMAX; analog-digital converters; closed-loop operational amplifiers; delta-sigma architecture; multi-mode transceiver; size 0.13 mum; voltage 1.2 V; voltage scaling; wireless LAN; Circuits; Communication standards; GSM; Multiaccess communication; Pipelines; Sampling methods; Signal resolution; Transceivers; WiMAX; Wireless LAN;
Conference_Titel :
Microwave Integrated Circuit Conference, 2008. EuMIC 2008. European
Conference_Location :
Amsterdam
Print_ISBN :
978-2-87487-007-1
DOI :
10.1109/EMICC.2008.4772251
