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Modified Doherty combiner with adjustable phase deviation
- Authors
- Lee, Daeung; Kim, Sungmin; Jang, Youna; Koo, Seo; Kim, In-seon; Lim, Jongsik; Cho, Jeongho; Ahn, Dal
- Issue Date
- Nov-2018
- Publisher
- John Wiley & Sons Inc.
- Keywords
- Doherty combiner; power combing ratel phase
- Citation
- Microwave and Optical Technology Letters, v.60, no.11, pp 2834 - 2839
- Pages
- 6
- Journal Title
- Microwave and Optical Technology Letters
- Volume
- 60
- Number
- 11
- Start Page
- 2834
- End Page
- 2839
- ISSN
- 0895-2477
1098-2760
- Abstract
- In this paper, we propose a newly enhanced Doherty combiner by adding a 180 degrees transmission line to the stage of the peaking amplifier of a typical Doherty combiner such that the designer can easily construct a combiner having a phase deviation to be turned on within the intended bandwidth. Given such characteristics, the proposed structure provides wider phase bandwidth and better performance with respect to power combining rate than the conventional structure does. We introduce formulas for the design variables of the added transmission line and also demonstrate its validity through circuit design and experiment.
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Related Researcher
- Lim, Jong sik
- College of Engineering (Department of Electrical Engineering)