Abstract
A dual-band circularly-polarised antenna implemented on a single substrate is proposed for Ku-band satellite communication. A microstripfed Spidron fractal patch is utilised to achieve dual-band resonance and circular polarisation. The proposed antenna, with dimensions of 50 × 50 × 1.52 mm3, has also been fabricated and tested. The measured -10 dB reflection bandwidths are 8.7% (11.44-12.48 GHz) and 6.6% (13.47-14.39 GHz), exhibiting a small resonant frequency ratio of 1.15. The 3 dB axial ratio bandwidths for the lower band and the upper band are 2.96 and 1.68%, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 441-442 |
| Number of pages | 2 |
| Journal | Electronics Letters |
| Volume | 49 |
| Issue number | 7 |
| DOIs | |
| State | Published - 28 Mar 2013 |
| Externally published | Yes |
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