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Switchable Printed Yagi-Uda Antenna with Pattern Reconfiguration
- Issue Date
- Jun-2009
- Publisher
- WILEY
- Keywords
- Yagi-Uda antenna; printed antenna; pattern reconfiguration; pattern switchable antenna
- Citation
- ETRI JOURNAL, v.31, no.3, pp.318 - 320
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- ETRI JOURNAL
- Volume
- 31
- Number
- 3
- Start Page
- 318
- End Page
- 320
- ISSN
- 1225-6463
- Abstract
- A switchable Yagi-Uda antenna prototype with radiation pattern reconfiguration is presented in this letter The proposed reconfigurable antenna is based on the concept of switching between the reflector and director of a Yagi-Uda antenna using a radio frequency PIN diode. As a result, the minimum/maximum radiation can be steered towards desired signals or away from interfering signals, in opposite directions. The measured 10 dB impedance bandwidth and gain are 210 MHz (7%) and 8.02 dBi at 3 GHz, respectively. Details of the antenna design and its performance are described and empirically analyzed.
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