7-GHzInverted-F Antenna Monolithically Integrated withCMOS LNA
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~~~~~~~~~~~~~~~~~~~~~Yonago Abstract- Transmitter andreceiver antennas monolithically UWB group3spectrum allocation. An inverted-F antenna integrated withCMOS LSIsarestrongly demanded forreducingalongwitha low-noise amplifier (LNA)aredesigned and thecost ofwireless equipment. Asthefirst step toward realizing fabricated usinga0.18-jm mixedsignal/RF CMOS process high-performance antennas onlossy Sisubstrates, weclarify the withone polyandsixmetallayers. Comparisons between design methodology and basiccharacteristics ofinverted-Fmeasured andcalculated antenna gaincharacteristics aremade. antennas usedforthe7-GHzbandcorresponding tomulti-band OFDM UWB group3 spectrum allocation. Aninverted-F antennaFinally, futureimprovement fortheantenna designis alongwitha low-noise amplifier (LNA)aredesigned and discussed briefly. Thisisthefirst attempt tofabricate a fabricated using a0.18-pm mixedsignal/RF CMOS process with monolithically integrated antennaandLNA inmulti-band onepolyandsixmetallayers. Comparisons between measuredOFDM UWB group3 spectrum allocation. andcalculated antennagaincharacteristics aremade.Measured antenna gainisabout-25dB inthemulti-band OFDM UWB ~~~~~~the monopole antenna. Oneadvantage ofthisinverted-F development of wireless communication circuits for