3X3 BUTLER MATRIX AND 5X6 BUTLER MATRIX

The present invention relates to a 3x3 Butler matrix, comprising a first directional coupler, a second directional coupler, a third directional coupler, a first fixed phase shifter, a second fixed phase shifter and a third fixed phase shifter; and also relates to a 5x6 Butler matrix, comprising a first 3x3 Butler matrix, a second 3x3 Butler matrix, a fourth directional coupler, a fifth directional coupler, a power divider, a fourth fixed phase shifter and a fifth fixed phase shifter. The 3x3 Butler matrix and the 5x6 Butler matrix provided in the present invention have the features of small size, wide frequency band, low loss, high isolation and stable performance, fill the blank of specific technical schemes about the 3x3 Butler matrix and the 5x6 Butler matrix in the prior art, and have broad application prospects and great value.