Load-Tuned Concurrent Triband Power Amplifier Using Multiband Biasing Network Architecture

Conference: GeMiC 2014 - German Microwave Conference
03/10/2014 - 03/12/2014 at Aachen, Germany

Proceedings: ITG-Fb. 246: GeMiC 2014

Pages: 4Language: englishTyp: PDF

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Nghiem, Xuan Anh; Negra, Renato (Mixed-Signal CMOS Circuits, UMIC Research Centre, RWTH Aachen University, 52056 Aachen, Germany)

In this paper, the design of a 10 W load-tuned (LT) concurrent triband power amplifier at 1.5, 2.14 and 2.65 GHz using the harmonic tunable property of the recently developed multiband biasing network (MB-BN) is presented. Together with the multiband matching network (MB-MN), which consists of a single transmission line, the multiband biasing network provides a means for load (or harmonic) tuning for concurrent multiband power amplifiers (PAs). Consequently, better PA performance in terms of gain, output power and efficiency can be achieved compared with the previously reported triband class-AB power amplifier without load tuning.