A method for broadband matching and a network element thereof

摘要

The invention relates to a network element for broadband matching for a multiband mobile communication systems comprising: a power amplifier with a first input and output port; a first set of narrowband matching stages comprising each narrowband matching stage comprising a second input and output port; a first set of quarter-wavelength transmission lines connecting the second output ports of each narrowband matching stage of the first set with the first input port of the power amplifier; a second set of narrowband matching stages comprising each a third input and output port; a second set of quarter-wavelength transmission lines connecting the third input port of each narrowband matching stage of the second set with the first output port of the power amplifier.