DOUBLE BAND FREQUENCY CONVERTER

摘要

a local oscillator having different oscillation frequency; a mixer for mixing a high frequency signal outputted from a low noise amplifier with an oscillation signal of the local oscillator; a directional filer for preventing the oscillation signal of the local oscillator from leaking to the low noise amplifier; a band pass filter for setting the frequency band and selectively outputting an intermediate frequency of the selected local oscillator corresponding to the frequency band; and a high band filter for separating the oscillation frequency of the local oscillator connected between the intermediate frequency and the a drain region of the mixer.