A 4.92-5.845 GHz direct-conversion CMOS transceiver for IEEE 802.11a wireless LAN

Author

Behzad, A. ; Lin, E. ; Carter, K. ; Kappes, M. ; Shi, Z.M. ; Lin, L. ; Wu, S. ; Anand, S. ; Nguyen, T. ; Yuan, D. ; Wong, Y.C. ; Fong, V. ; Yeung, B. ; Rofougaran, A.

Author_Institution

Broadcom Corp., CA, USA

fYear

2004

fDate

6-8 June 2004

Firstpage

335

Lastpage

338

Abstract

A fully integrated CMOS direct-conversion 5 GHz transceiver is implemented in a 0.18 μm digital CMOS process and housed in an LPCC-48 package. This chip, along with a companion baseband chip, provides a complete 802.11a solution covering all of the world-wide 4.92-5.845 GHz bands. The receiver achieves a 3.5 dB NF while the transmitter achieves a +23 dBm saturated output power. The integrated PA utilizes a linearization technique to allow for high efficiency while maintaining the linear operation required by QAM64 OFDM signals. The transceiver achieves low cost and high yield through the use of various integrated self-contained or system level calibration techniques.

Keywords

CMOS integrated circuits; MMIC power amplifiers; OFDM modulation; linearisation techniques; microwave receivers; quadrature amplitude modulation; transceivers; wireless LAN; 0.18 micron; 3.5 dB; 4.92 to 5.845 GHz; IEEE 802.11a wireless LAN; QAM64 OFDM signals; WLAN; class-AB amplifier; digital CMOS process; direct-conversion transceiver; fully integrated CMOS transceiver; integrated PA; linearization technique; receiver; self-contained calibration techniques; system level calibration; transmitter; Baseband; CMOS process; Linearization techniques; Noise measurement; OFDM; Packaging; Power generation; Transceivers; Transmitters; Wireless LAN;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio Frequency Integrated Circuits (RFIC) Symposium, 2004. Digest of Papers. 2004 IEEE

ISSN

1529-2517

Print_ISBN

0-7803-8333-8

Type

conf

DOI

10.1109/RFIC.2004.1320614

Filename

1320614