Bandwidth Extension of Planar Microstrip-to-Waveguide Transition by Controlling Transmission Modes Through Via-Hole Positioning in Millimeter-Wave Band

by Nguyen Thanh Tuan, Kunio Sakakibara, Nobuyoshi Kikuma
Published 2019-01-01

RF Performance of Layer-Structured Broadband Passive Millimeter-Wave Imaging System

by Kunio Sakakibara, Kunihiko Ohkawa, Yutaka Aoki, Nobuyoshi Kikuma
Published 2016-01-01

Millimeter-Wave Butler Matrix Beamforming Circuit Using Finline in Double-Layer Dielectric Substrate

by Nguyen Thanh Tuan, Kunio Sakakibara, Kojiro Iwasa, Takeshi Okunaga, Nobuyoshi Kikuma, Yoshiki Sugimoto
Published 2020-01-01