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Linearly Tapered Slot Antenna with Defected Sides for Gain Improvement
- Issue Date
- 10월-2010
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- tapered slot antenna (TSA); linearly tapered slot antenna (LTSA); defected side; antenna gain; side lobe level; radiation pattern
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E93B, no.10, pp.2655 - 2657
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E93B
- Number
- 10
- Start Page
- 2655
- End Page
- 2657
- ISSN
- 0916-8516
- Abstract
- A new linearly tapered slot antenna (LTSA) with defected sides is proposed in this letter. Both sides are defected with half-dumbbell shape slots that may alter the surface current intensities on both sides. As the half-dumbbell size is increased, the 3-dB beamwidth of the proposed antenna is 4 degrees and 6 degrees lower in the E/H-plane, respectively, than these of the LTSA without defects. Accordingly, the measured gain is improved by up to 3.75 dB and the first side lobe level is lowered by about -10.8 dB and -5.8 dB in the E/H-planes, respectively.
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