Series in Microelectronics

edited by Wolfgang Fichtner
Qiuting Huang
Heinz Jäckel
Hans Melchior
George S. Moschytz
Gerhard Tröster

Vol. 145

Gabriele Brenna,
The Design of Direct-Conversion CMOS Radio Transmitters.
2004; 180 pages. 64,00. ISBN 3-89649-924-6

The stringent specifications of the 3rd-generation mobile radio system UMTS poses significant challenges to the design of direct-conversion CMOS transmitters, which forms the subject of this dissertation. Design techniques are explored that allow operation at low supply voltages, while still maintaining a sufficient signal-to-noise ratio at the output. A major challenge is to devise circuit and calibration techniques that sufficiently suppress carrier leakage over the complete gain control range of the WCDMA system.
This work presents a highly-integrated transmitter IC implemented in 0.13um CMOS technology. With carrier leakage suppressed by an automatic calibration loop including an on-chip RF power detector, the transmitter meets all specifications for UMTS type approval at a low power consumption of 68mW.
Gabriele Brenna received the M.S. degree in electrical engineering from the Swiss Federal Institute of Technology (EPFL), Lausanne, in 1998. In 1995-96, he was an exchange student at Carnegie Mellon University, Pittsburgh, while in the winter of 1997-98 he completed his diploma thesis at Stanford University and Advanced Micro Devices (AMD), CA. From 1998 to 1999, he was a design engineer with Philips Semiconductors, Zuerich. In 2000, he joined the Integrated Systems Laboratory, Swiss Federal Institute of Technology (ETH), Zuerich, as a research and teaching assistant. Since 2002 he is a senior design engineer with Advanced Circuit Pursuit (ACP) AG, Zollikon.

Keywords (english):
UMTS, WCDMA, Transmitter, Direct Conversion, CMOS, Carrier Leakage, Calibration, Mobile Communications, IC Design, 3G Technology
Keywords (deutsch):
UMTS, WCDMA, Sender, Direct Conversion, CMOS, Trägerfrequenzunterdrückung, Kalibration, Mobilfunktechnologie, Integrierter Schaltungsentwurf, 3G Technologie

Series in Microelectronics

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