D-Band, 2-D Scalable CMOS Planar Phased Array Transmitters With λ/2-Spaced Integrated Antenna - Dai, B.; Zhang, J.; Meng, X.; Hu, Y.; Guan, M.; Deng, H.; Chen, Z.; Zhang, B.; Wang, C. (IEEE Transactions on Microwave Theory and Techniques, Microwave Theory and Techniques, IEEE Transactions on, IEEE Trans. Microwave Theory Techn., 2025)