Series in Microelectronics

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

Vol. 146

Jürgen Rogin,
Direct Conversion Receiver Design
for Wideband Cellular Communications.
2004; 186 pages. 64,00. ISBN 3-89649-928-9

This dissertation describes the design of a direct-conversion receiver for third generation mobile communications. Receiver requirements are derived from the respective type approval tests, and receiver immunity to the own transmit signal is identified as a key challenge influencing the receiver planning stage. After a comparison to GSM receiver requirements, issues arising from the choice of the direct-conversion architecture are explained. Key aspects of the baseband part are offset compensation and minimization of settling transients due to programmable gain changes. A thorough analysis of such transients is presented and a minimization strategy is proposed. The description of the actual design of a 0.13m CMOS receiver for UMTS along with its experimental characterization concludes the work.
About the Author
Jürgen Rogin received the Dipl.-Ing. degree in Electrical Engineering from the Swiss Federal Institute of Technology (ETH), Zürich, in 1999. In the same year, he joined the Integrated Systems Laboratory (IIS) of ETH as a research and teaching assistant, where he worked in the field of receiver design for radio communications.

Keywords (english):
Direct Conversion Receiver, UMTS, WCDMA, Mobile Communications, Receiver Planning, Offset Compensation, PGC Transients, RF-CMOS

Series in Microelectronics

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