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Continue to ChatI recommend this paper for you BANDWIDTH ENHANCEMENTS AND SIZE REDUCTION OF 3 DB PATCH COUPLER WITH 45° OUTPUT PHASE DIFFERENCE FOR 5G BEAMFORMING NETWORKS, https://jjcit.org/paper/162
I recommend this paper for you BANDWIDTH ENHANCEMENTS AND SIZE REDUCTION OF 3 DB PATCH COUPLER WITH 45° OUTPUT PHASE DIFFERENCE FOR 5G BEAMFORMING NETWORKS, https://jjcit.org/paper/162