Auto_IQ calibrated CMOS transceiver for 802_11gAn Auto-IQ calibration CMOS transceiver for 802.11g Advisor: Shey-Shi Lu Speaker: Ju-Hung Chen Author Thesis for degree of doctor of philosophy in EE at National Taiwan University July 2005 Abstract l l l The CMOS transceiver IC exploits the super-heterodyne architecture to implement a low-cost RF front-end with an auto- calibration function for IEEE 802.11g The transceiver supports gain and phase mismatch auto tuning mechanisms at both the transmitting and receiving ends, which are able to reduce the phase mismatch to within 1° and gain mismatch to 0.1 dB. Implemented in a 0.25μm CMOS process with 2.7 V supply voltage, the transceiver delivers a 5.1 dB receiver cascade noise figure, 7 dBm transmit, and a 1 dB compression point. Abstract l l l 1. 2. 3. high data-rate transmis……