Compact microstrip ring branch-line coupler with harmonic suppression
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Detail(s)
| Original language | English |
|---|---|
| Pages (from-to) | 2119-2126 |
| Journal / Publication | Journal of Electromagnetic Waves and Applications |
| Volume | 23 |
| Issue number | 16 |
| Publication status | Published - 1 Dec 2009 |
| Externally published | Yes |
Link(s)
Abstract
A novel ring branch-line coupler is presented in this paper. To minimize the physical size of the coupler, four high-low impedance resonator cells are loaded within the free area of the conventional coupler. A design methodology calling for united optimization is used to optimize the structure parameters of the main transmission lines and loading high-low impedance resonators. Furthermore, an equivalent circuit of one loaded cell is proposed to model the operation of the coupler. The proposed new coupler not only effectively reduces the occupied size to 22% of the conventional one at the operating frequency of 1.39 GHz, but also has high third harmonic suppression. © 2009 VSP.
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Citation Format(s)
Compact microstrip ring branch-line coupler with harmonic suppression. / Wang, J.; Ni, J.; Zhao, S. et al.
In: Journal of Electromagnetic Waves and Applications, Vol. 23, No. 16, 01.12.2009, p. 2119-2126.
In: Journal of Electromagnetic Waves and Applications, Vol. 23, No. 16, 01.12.2009, p. 2119-2126.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
