A 67-86 GHz Spectrum-Efficient CMOS Transmitter Supporting 1024-QAM With a Process-Variation-Tolerant Design. - Wen-Jie Lin; Jeng-Han Tsai; Jen-Hao Cheng; Wei-Heng Lin; Tung-Tsen Chiang; Tian-Wei Huang (IEEE Access, 2020)