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- Title
High-efficiency CMOS push-pull power amplifier with multilayer center-tapped transformer.
- Authors
Nakamura, Shingo; Kanemoto, Daisuke; Sadakiyo, Tomoki; Kanaya, Haruichi
- Abstract
This paper describes the design of a push-pull power amplifier (PA) with a center-tapped transformer for transmitter applications on the 5.2-GHz band using 0.18 μm CMOS technology. The type of the proposed PA is based on a double-ended push-pull (DEPP) configuration. DEPP has a simple construction with only transistors and transformers. The PA has reverse-phased cascode-connected transistors. The proposed transformer has a multilayer structure and was designed using electromagnetic field simulation. To achieve high power added efficiency (PAE), we assumed the optimized output impedance technique with a tunable impedance antenna. The PA has 13.2 dB linearity gain, 14.9 dBm 1-dB compression point (P1dB), and 27.4% maximum PAE. © 2016 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
- Subjects
POWER amplifiers; PUSH-pull amplifiers; COMPLEMENTARY metal oxide semiconductors; REVERSE phase liquid chromatography; IMPEDANCE control
- Publication
IEEJ Transactions on Electrical & Electronic Engineering, 2016, Vol 11, Issue 3, p384
- ISSN
1931-4973
- Publication type
Article
- DOI
10.1002/tee.22228