Left-handed lumped transmission lines and left-handed small impedance transformers
SCIE
SCOPUS
- Title
- Left-handed lumped transmission lines and left-handed small impedance transformers
- Authors
- Hee-Ran, A; Bumman, K
- Date Issued
- 2008-09
- Publisher
- JOHN WILEY & SONS INC
- Abstract
- Based on the concept that a left-handed transmission line section has a negative electrical length, two Pi-type lumped equivalent circuits are presented, and it is newly suggested that a low-pass filter type call be its lumped-equivalent circuit under a certain condition. Applying the negative electrical length concept to Smith chart, left-handed small impedance transformers are derived and two are validated by measurements, adding 180 degrees right-handed transmission lines to the impedance transformers. The measured results are in good agreements with predictions, showing that insertion and return losses are -0.23 and -22.5 dB, respectively. (c) 2008 Wiley Periodicals, Inc.
- Keywords
- left-handed transmission lines; left-handed lumped equivalent circuits; left-handed transmission line behavior on Smith chart; left-handed small impedance transformers; left-handed CVTs (LHCVTs)
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/22631
- DOI
- 10.1002/MOP.23676
- ISSN
- 0895-2477
- Article Type
- Article
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 50, no. 9, page. 2269 - 2271, 2008-09
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