International Journal of Antennas and Propagation

Research Article

Design and Analysis of Wideband Nonuniform Branch Line Coupler and Its Application in a Wideband Butler Matrix

Table 1

Output phase difference and estimated direction of generated beam.
P5 (°)P7 (°)P6 (°)P8 (°) (°) (°)
P145901351804514.4 [1L]
P2135022590−135−48.6 [2R]
P390225013513548.6 [2L]
P41801359045−45−14.4 [1R]