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A design of Substrate Integrated Waveguide (SIW) diplexer is proposed. The diplexer is formed using two SIW circular cavity resonators designed individually and combined through a T-junction. The circular cavity structure using TM010 mode is employed in the design of this diplexer. To prove the concept, the diplexer is fabricated using Rogers RT5880 with dielectric constant, □r = 2.2 and height of...
This paper presents a novel design of 4 GHz substrate integrated waveguide (SIW)radiating bandpass filter using multilayer technique on the Printed Circuit Board.The circular cavity structure using TM010 mode for both filter and rectangular antenna areemployed in the design of this radiating bandpass filter. To realize the technique, modes of SIW filter and microstrip antenna are coupled using rectangular...
This paper presents a design of a multilayer bandpass filter. The filter is constructed from a combination of end-coupled and ring resonators for digital broadcasting applications. The filter is designed to work at 2.6 GHz with a bandwidth of 4%. A 0.75-mm-thick of Roger RO3003 substrate with dielectric constant, εr of 3.0 is used as a core material of the circuit. The bandpass filter was simulated...
A pseudo-elliptic bandpass filter based on two top-coupled parallel-connected ring resonators is presented. Each ring contributes to the creation of two (2) poles leading to a 4th order response of the filter. Based on the topology, two (2) transmission zeros are obtained at both sides of the passband, ensuring the high selectivity of the filter. Centered at 2 GHz with 15% relative bandwidth a proof...
This paper presents a 2.55-2.61 GHz bandpass filter using hairpin resonators in a multilayer configuration for digital broadcasting application. A combination of four-pole hairpin resonators was designed to operate at center frequency of 2.58 GHz with a bandwidth of 60 MHz. The best return and insertion losses in the passband are -23.753 dB and -2.4955 dB, respectively. The circuit was simulated using...
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