Abstract
ABSTRACTA printed‐circuit differential‐fed Yagi–Uda antenna is presented that features enhanced bandwidth by employing a parasitic quarter‐wavelength coplanar stripline (CPS) resonator which adds one more resonant mode within the operating bandwidth. The proposed antenna is designed, fabricated and measured. Experimental results are in good agreement with simulations. In the band of 2.27–2.58 GHz, the return loss is better than 10 dB and the gain better than 6 dBi. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 59:156–159, 2017
Highlights
Increasing requirements in the wireless communication market demand integrated and compact radio frequency (RF) front-end products which are fully compatible with differential signal operation [1,2]
As a typical kind of parasitic element antennas (PEAs), Yagi–Uda antennas are widely employed in modern communication systems [5–12]
A new printed-circuit differential-fed Yagi–Uda antenna is presented that achieves enhanced bandwidth by employing a parasitic coplanar stripline (CPS) resonator
Summary
Increasing requirements in the wireless communication market demand integrated and compact radio frequency (RF) front-end products which are fully compatible with differential signal operation [1,2] Due to their excellent potential in terms of radiation pattern and frequency agility, parasitic element antennas (PEAs) are widely implemented in modern communication systems [3,4]. A new printed-circuit differential-fed Yagi–Uda antenna is presented that achieves enhanced bandwidth by employing a parasitic coplanar stripline (CPS) resonator. The advantage of this design is threefold: first, it increases the bandwidth while maintaining a gain better than 6 dBi; secondly, it improves the return loss; and thirdly, it provides a differential feed as required in modern RF front ends. The antenna is designed, fabricated and measured, and experiments validate the design approach
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