Radio frequency front end module and multi band module using the radio frequency front end module

摘要

Disclosed are a radio frequency (RF) front end module and a multi-band communication module using the RF front end module. The RF front end module may use a plurality of bandpass filters and at least one diplexer being connected to at least one of front ends or rear ends of two bandpass filters of the plurality of bandpass filters.

主权项

1. An RF front end module, comprising:
a bandpass filter through which a predetermined band signal is passed; another bandpass filter through which another predetermined signal is passed; a diplexer being operatively connected to front ends of the bandpass filter and the other bandpass filter; and a phase shifter between a front end of the bandpass filter and a rear end of the diplexer.