An effective third harmonic generator using a left-handed nonlinear transmisson line
- Authors
- Kim, In Bok; Kim, Kang Wook; Yoo, Hyoung suk; Park, Jonghoo; Kim, Hongjoon
- Issue Date
- Mar-2014
- Publisher
- WILEY-BLACKWELL
- Citation
- Microwave and Optical Technology Letters, v.56, no.3, pp.568 - 570
- Indexed
- SCIE
SCOPUS
- Journal Title
- Microwave and Optical Technology Letters
- Volume
- 56
- Number
- 3
- Start Page
- 568
- End Page
- 570
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160395
- DOI
- 10.1002/mop.28146
- ISSN
- 0895-2477
- Abstract
- In this article, an effective third harmonic generator using a left-handed nonlinear transmission line (LH NLTL) is presented. The proposed harmonic generator using the LH NLTL is composed of a series of varactor diodes and shunt inductances, which were implemented with a 0.2-mm wide microstrip line. The harmonic generator was built on a Rogers RO4003 substrate and has dimensions of 12 × 7 mm2. The fabricated LH NLTL provides a maximum insertion loss of 5.2 dB, and a minimum insertion loss of 2.2 dB for a wide frequency band from 2.3 to 18.7 GHz. The measured minimum third harmonic conversion loss was 14.2 dB at an input frequency of 2.5 GHz. When compared to other works, a better third harmonic conversion efficiency is achieved with much smaller size in lower frequencies.
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