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A new approach for designing a narrow dual bandpass filter (BPF) using microstrip coupled line filter with new shaped of ‘bell’ structure resonator is presented in this paper. The proposed BPF consists of two fundamental resonant modes and the resonant characteristic has been investigated using Advanced Design System (ADS) software. To validate the design and analysis, the filter were fabricated and...
In this paper an experimental study on a directional cylindrical dielectric resonator antenna (CDRA) at 5.8 GHz is discussed and presented. Dielectric resonator (DR) ceramic-base material is investigated in the design and it is found that it improves the antenna performance. The dielectric constant of dielectric resonator palette is 55 and it is fed with a 50 Ω microstrip transmission line. The aperture...
This paper presents a new approach of designing a bandpass filter by applying a combination of microstrip and cylindrical shape of dielectric resonators for X-Band application. Three dielectric resonators with a same permittivity and diameter of 60 and 5 mm respectively are applied in the circuit in order to obtain a wideband of more than 1.0 GHz. The interaction between the microstrip transmission...
A parasitic cylindrical dielectric resonator excited horn antenna at 38GHz is proposed. This horn antenna is fed by five identical cylindrical parasitic dielectric resonators through a coupling rectangular slot of 50 ohms microstrip feedline. It is designed to parasitic type for high gain and isolation characteristics. Simulated result shows antenna produce high gain that is larger than 19.8dB. CST...
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