Author :
Cipriani, S. ; Carpineto, L. ; Bisanti, B. ; Duvivier, E. ; Cantieni, E. ; Cardi, D. ; Chalet, F. ; Coppola, F. ; Hogervorst, R. ; Puccio, G. ; Mouralis, N. ; Monchal, F. ; Ercole, D.
Abstract :
Mobile phones demand for smaller more integrated and cost effective solutions to implement the RF functions. This fully integrated direct conversion transceiver for GPRS GSM/DCS/PCS applications respond to all above-mentioned criteria. The chip is fulfilling the GPRS specs (settling time < 145µs) with a very low overall RX NF (2.8/3.6/3.9 dB for GSM/DCS/PCS), a very good overall TX phase error (2.1/2.3 deg rms for GSM/DCS) and a low DC offset (+/-150mV). This device is realized using BiCMOS 0.35µ technology.