Title :
A CMOS adaptive antenna-impedance-tuning IC operating in the 850MHz-to-2GHz band
Author :
Song, Hang ; Bakkaloglu, Bertan ; Aberle, James T.
Author_Institution :
Arizona State Univ., Tempe, AZ
Abstract :
An adaptive antenna-tuning units (AATU) utilizing analog mismatch detection and mixed-signal matching-state search circuits operating in a frequency band from 850 MHz to 2 GHz is presented. The fully integrated AATU IC is fabricated in a 0.18 mum 6-layer metal CMOS process.
Keywords :
CMOS integrated circuits; adaptive antenna arrays; electric impedance; mixed analogue-digital integrated circuits; CMOS adaptive antenna-impedance-tuning IC; analog mismatch detection; frequency 850 MHz to 2 GHz; frequency band; metal CMOS process; mixed-signal matching-state search circuits; Adaptive arrays; Broadband antennas; CMOS integrated circuits; Circuit optimization; Clocks; Detectors; Impedance; Power generation; Radio frequency; Tuning;
Conference_Titel :
Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-3458-9
DOI :
10.1109/ISSCC.2009.4977469
