A Dual-Mode InGaP/GaAs HBT Power Amplifier Using a Low-Loss Parallel Power-Combining Transformer with IMD3 Cancellation Method

by Kyutaek Oh, Hyunjin Ahn, Ilku Nam, Hui Dong Lee, Bonghyuk Park, Ockgoo Lee
Published 2021-07-01

A Simple Printed Cross-Dipole Antenna with Modified Feeding Structure and Dual-Layer Printed Reflector for Direction Finding Systems

by Kyei Anim, Bonghyuk Park, Hui Dong Lee, Seunghyun Jang, Sunwoo Kong, Young-Bae Jung
Published 2021-09-01