Jiang Luo, Jin He, Pengwei Chen, Hao Wang, Sheng Chang, Qijun Huang, Xurui Mao, Yueping Zhang. Micro-Strip Line 90∘ Phase Shifter with Double Ground Slots for D-Band Applications. Journal of Circuits, Systems, and Computers, 27(12):1-10, 2018. [doi]
Abstract is missing.