A Multiband LTE SAW-Less CMOS Transmitter with Source-Follower-Driven Passive Mixers, Envelope-Tracked RF-PGAs, and Marchand Baluns. - Takao Kihara; Tomohiro Sano; Masakazu Mizokami; Yoshikazu Furuta; Mitsuhiko Hokazono; Takaya Maruyama; Tetsuya Heima; Hisayasu Sato (IEICE Trans. Electron., 2013)