A Tunable Balanced Coupler With Improved Phase Balance and Extended Bandwidth. - Pei-Ling Chi; Hong-Min Lin; Chun-Pin Chien (IEEE Access, 2019)

Novel Dual-Band Beam-Scanning/Switching Network Based on a Hybrid Coupler With Synchronously Tuned Phase Differences. - Pei-Ling Chi; Chun-Pin Chien; Anrong Chen; Tao Yang 036 (IEEE Access, 2021)