An adjustable matching network is provided for a wireless communications device transmitting and receiving signals in multiple frequency bands via an antenna. The adjustable matching network selectively connecting the antenna to a select power amplifier corresponding to a selected transmit frequency band and automatically matching the impedance of the antenna to the select power amplifier. The adjustable matching network also selectively connecting the antenna to a select bandpass filter corresponding to a selected receive frequency band and automatically matching the impedance of the antenna to the select bandpass filter.
申请公布号
WO02063782(A2)
申请公布日期
2002.08.15
申请号
WO2002US00442
申请日期
2002.01.07
申请人
ERICSSON INC.;DENT, PAUL, W.;HOLSHOUSER, HOWARD, EUGENE;PHILLIPS, JOHN, CHARLES;DOLMAN, ROD;BOESCH, RON
发明人
DENT, PAUL, W.;HOLSHOUSER, HOWARD, EUGENE;PHILLIPS, JOHN, CHARLES;DOLMAN, ROD;BOESCH, RON