WIRELESS COMMUNICATION DEVICE, CONTROL METHOD OF WIRELESS COMMUNICATION DEVICE AND PHASE SHIFTER

摘要

A wireless communication device includes a delay circuit to generate four or more delay signals, an amplifier circuit amplifying the four or more delay signals to generate four or more amplified delay signals, and a combiner circuit combining at least two amplified delay signals to generate an output signal, a second phase of a second amplified delay signal is between a first phase of a first amplified delay signal and a third phase of a third amplified delay signal, gains of the amplifier circuit for the four or more delay signals are controlled such that the output signal is generated by combining the first amplified delay signal and the third amplified delay signal, and a phase of the output signal is between the first phase of the first amplified delay signal and the third phase of the third amplified delay signal.

主权项

1. A wireless communication device comprising:
a delay circuit configured to receive an input signal to generate four or more delay signals, the four or more delay signals having different phases; an amplifier circuit configured to amplify the four or more delay signals to generate four or more amplified delay signals; and a combiner circuit configured to combine at least two amplified delay signals included in the four or more amplified delay signals to generate an output signal, wherein the four or more amplified delay signals include a first amplified delay signal, a second amplified delay signal and a third amplified delay signal, a second phase of the second amplified delay signal is between a first phase of the first amplified delay signal and a third phase of the third amplified delay signal, gains of the amplifier circuit for the four or more delay signals are configured to be controlled such that the output signal is generated by combining the first amplified delay signal and the third amplified delay signal, and a phase of the output signal is between the first phase of the first amplified delay signal and the third phase of the third amplified delay signal.