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LH 전송선로를 이용한 이중대역 증폭기의 설계A Design of Dual Band Amplifier Using Left Handed Transmission Lines
- Other Titles
- A Design of Dual Band Amplifier Using Left Handed Transmission Lines
- Issue Date
- 2010
- Publisher
- 대한전기학회
- Keywords
- Dual band amplifier; LH; CRLH
- Citation
- 전기학회논문지 A권, v.59, no.11, pp 2032 - 2037
- Pages
- 6
- Journal Title
- 전기학회논문지 A권
- Volume
- 59
- Number
- 11
- Start Page
- 2032
- End Page
- 2037
- ISSN
- 1229-2443
- Abstract
- This paper describes a design of dual band amplifier using left handed (LHJ) transmission line, which is a part of composite right/left handed (CRLH) transmission line. It is well known that CRLH transmission lines show dual band frequency response. At first, two single-band amplifiers for frequency f1 and f2 are designed, and their matching networks at both amplifiers are synthesized into the dual band matching network by adopting CRLH structure. As an example for proving the validity of the proposed design, a dual band amplifier operating at 1800MHz and 2300MHz is designed, fabricated and measured. The simulation and measurement show that the proposed amplifier operates well at the desired dual bands with the gain of 13.65dB and 19dB at 1850MHz and 2360MHz, respectively, and a good matching performances. In addition, a quite good agreement between the simulation and measurement is observed.
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Related Researcher
- Han, Sang Min
- College of Engineering (Department of Information and Communication Engineering)