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We have proposed a band-pass filter with harmonics suppression for WiX (wireless express) communication system. The designed WiX band-pass filter composed of open and closed loops, tuning open stub, and defected ground structure (DGS). The tuning open stub can tune the pass band and the closed loop can improve the insertion loss characteristics. The harmonics are suppressed using the tuning open stub.
This paper describes the dual-band Phi-shaped slot gap filler antenna for satellite internet service application. Some properties of the antenna, such as return loss, radiation pattern and gain have been simulated and measured. The proposed antenna has Phi-shaped slot in circle patch and is fabricated on a TLX-9 substrate (er=2.5) and thickness of 0.8mm. The radius of a circle patch is 25mm, and it...
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