[PDF] Top 20 A Compact Tunable Dual-Band Bandpass Filter Based on Substrate Integrated Waveguide and Defected Ground Structure

... The substrate with a thickness of ...Frequency Structure Simulator (HFSS) software, the S-parameters of the SIW-DGS resonator and the corresponding SIW resonator are simulated and ...the ground of ... See full document

... the substrate integrated waveguide and defected ground structure by using software Advance design system (ADS) in collection of data collection, testing, and performance ... See full document

... HMSIW bandpass filter using I- shaped slot coupling resonant structure, but the passband width of the filter is ...UWB bandpass filters with circular slots in ground and in [7] Shobeyri and ... See full document

... half-mode substrate integrated waveguide (HMSIW) structure and a differential defected ground structure (D-DGS) are utilized to develop an UWB balanced ... See full document

... towards compact size, sharp selectivity, high integration and easy ...requirements, substrate integrated waveguide (SIW) technology has been successfully applied to design filters due to its ... See full document

... Filters based on Substrate Integrated Waveguide (SIW) structures are achieved through incorporating the rectangular waveguide structure into the microstrip substrate ... See full document

... For compact realization, defected ground structure (DGS) forming lowpass cleanup filters with wide stopband [4, 5] were ...the ground plane [6] and hence, high insertion loss is ... See full document

... single-layer substrate integrated waveguide (SIW) is developed to design a dual-band band-pass filter (BPF) operating below the cut-off frequency of the SIW, known as ... See full document

... In [8], three size-reduced bandpass filters using quarter- mode substrate integrated waveguide (QWSIW) loaded with different DGS patterns were proposed. By exploiting different DGS patterns in ... See full document

... a compact tunable dual-stop-band filter is ...proposed filter is based on the combination of double H-shaped defected ground structure (HDGS) and ... See full document

... metamaterial structure, complementary split-ring resonators (CSSRs) can provide a negative effective permittivity in the vicinity of resonant frequency, which is combined with the gaps between the top of CSRRs, ... See full document

... balun bandpass filter, consisting of three layers with a metal ground located in the middle of the structure with two ports (port 2, 3) on top and bottom ...are defected in the upper and bottom ... See full document

... design compact bandpass filters and miniaturized multiband antennas for different multi-services wireless ...and filter designer with many choices to implement his ... See full document

... This filter has the flattest possible pass-band magnitude response. Attenuation is - 3dB at the design cutoff frequency. Attenuation beyond the cutoff frequency is a moderately steep -20dB/decade/pole. The ... See full document

... SIW bandpass filter with Chebyshev frequency response and a ripple of ...The substrate is RO4003C with ...SIW structure, we set d=0.5mm and p =1mm . Figure (3) shows the structure of a ... See full document

... selectivity is proposed and demonstrated. Vertical couplings are adopted to generate the passbands and enable the source-load coupling. Relatively independent couplings are realized based on the field distribution ... See full document

... Designing dual-mode dual-band bandpass filters using ring resonators has become popular in recent ...attractive dual-mode characteristic of a ring resonator, which results in ... See full document

... is based on a combination of lumped elements such as inductors and capacitors as shown in Figure ...lowpass filter, and can develop a prototype design with added the input–output impedance and a cutoff ... See full document

... a compact tri-band BPF utilizing two coupled resonators with enhanced skirt selectivity in the vicinity of the passband having low insertion loss is ...tri-band bandpass filter has been ... See full document

... from Figure 13, the insertion losses of the two passbands are greater than − 1 dB, and the return losses are less than − 13 dB. The transmission zeros are introduced at both sides of the passbands. Thus, the stop ... See full document