Results 171 to 180 of about 4,695 (219)
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International Journal of Circuit Theory and Applications, 1994
AbstractA new prototype network is derived for a class of allpass networks from which, by a simple switch operation, a cascaded element bandstop filter results. an explicit solution for element values is obtained for the even‐ and odddegree solutions of arbitrary degree.
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AbstractA new prototype network is derived for a class of allpass networks from which, by a simple switch operation, a cascaded element bandstop filter results. an explicit solution for element values is obtained for the even‐ and odddegree solutions of arbitrary degree.
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New modified microstrip bandstop filter with only one (first order) bandstop
2009 9th International Conference on Telecommunication in Modern Satellite, Cable, and Broadcasting Services, 2009In this paper, a new structure with only one (first order) bandstop is reported. A simple trapezoid shape of the microstrip line is introduced instead of the more complicated pattern. It obtains simple simulation, optimization and fabrication.
Nešić, Dušan, Kolundzija, Branko M.
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A microstrip dualband bandstop filter with dualband bandstop resonators
2017 IEEE 17th International Conference on Communication Technology (ICCT), 2017A novel compact microstrip dualband bandstop filter with dualband bandstop resonator is proposed in this paper. The dualband bandstop resonator consists of a main line and five-order dualband bandstop resonators. The equivalent circuit model of the dualband bandstop resonator is extracted and the effects of the different design parameters on the ...
Peng Chen +4 more
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1996 IEEE MTT-S International Microwave Symposium Digest, 1996
A design procedure is presented for TEM narrow bandstop filters using L resonators, which are intermediate of the gap- and parallel-coupled resonators typically used, having parallel coupling only over a portion of the resonator length and a grounded end in either the coupled or stub portion of the resonator.
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A design procedure is presented for TEM narrow bandstop filters using L resonators, which are intermediate of the gap- and parallel-coupled resonators typically used, having parallel coupling only over a portion of the resonator length and a grounded end in either the coupled or stub portion of the resonator.
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Plasmonic Infrared Bandstop Reflective Filter
IEEE Journal of Selected Topics in Quantum Electronics, 2013Various types of free-space plasmonic bandstop filters are reviewed. The plasmonic multilayer structure shows multiple localized surface plasmon (LSP) resonance modes with extraordinary high angle tolerance. Through modifying the plasmonic multilayer structure to a plasmonic T-shaped array, the multiple LSP modes can be suppressed.
Chih-Ming Wang, Din Ping Tsai
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IEEE Transactions on Microwave Theory and Techniques, 1991
The synthesis of narrow bandstop filters with arbitrary stopband and equiripple passband responses is demonstrated. A new transformed frequency variable is used for iterative approximation with automatic bandwidth adjustment and prototype circuit realization. A five-resonator filter is used to illustrate the proposed method. >
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The synthesis of narrow bandstop filters with arbitrary stopband and equiripple passband responses is demonstrated. A new transformed frequency variable is used for iterative approximation with automatic bandwidth adjustment and prototype circuit realization. A five-resonator filter is used to illustrate the proposed method. >
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Absorptive planar bandstop filters
2019A simple and very effective way to realize narrowband and wideband absorptive band stop filters (ABSFs) is presented. Analytical design equations are established to allow the direct synthesis of ABSFs according to the desired specifications. Good stopband rejection, low input reflection coefficient, and high level of input power dissipation within the ...
null Yo-Shen Lin, null Jhih-Ying Shao
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A Dielectric Resonator Bandstop Filter
MTT-S International Microwave Symposium Digest, 2005This paper presents a new analysis predicting accurately the external quality factor and scattering matrix parameters S/sub ij/ of the TE/sub 01p/ cylindrical resonator mode, coupled with a microstrip line for arbitrary locations of the resonator and the line, The results obtained are used to realize a Tchebyscheff bandstop filter.
P. Guillon, S. Mekerta, Y. Garault
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Square patch resonator bandstop filter
2010 IEEE 12th International Conference on Communication Technology, 2010Rectangular patch resonator is analyzed, and dual-mode and multi-mode bandstop filters using square loop resonator are proposed. Compared with traditional dual-mode filter with single operation band, the new design takes fully advantage of the dominant mode and its degenerate mode, even higher order mode to implement operation band, respectively, and ...
J.-K. Xiao, H.-F. Huang
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Frequency agile bandstop filter (FABSF)
2008 IEEE MTT-S International Microwave Symposium Digest, 2008The frequency agile bandstop filter (FABSF) is an RF system component that functions as a frequency agile tunable notch filter capable of rejecting the low-level noise in presence of a high-level signal such as the out-of-band noise at the output of a high-power amplifier.
Alain Roussel +2 more
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