Search Results - "Fathelbab, W."

An electronically tunable microstrip bandpass filter using thin-film Barium-Strontium-Titanate (BST) varactors by Nath, J., Ghosh, D., Maria, J.-P., Kingon, A.I., Fathelbab, W., Franzon, P.D., Steer, M.B.

“…A tunable third-order combline bandpass filter using thin-film barium-strontium-titanate varactors and fabricated on a sapphire substrate is reported…”
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The Synthesis of a Class of Branch-Line Directional Couplers by Fathelbab, W.M.

“…The design of a class of branch-line couplers comprising coupled-line branches is presented. The method employs classical network synthesis to derive a…”
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Filter prototypes comprising singlet and/or in-line sections by Fathelbab, W. M., Steer, M. B.

“…A synthesis procedure for the design of filter prototypes comprising singlet and/or in-line sections is presented. Each singlet section realizes a…”
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A reconfigurable bandpass filter for RF/microwave multifunctional systems by Fathelbab, W.M., Steer, M.B.

“…A network prototype suitable for reconfigurable filters with imaginary-axis transmission zeros is presented. The prototype is synthesized using classical…”
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New classes of miniaturized planar Marchand baluns by Fathelbab, W.M., Steer, M.B.

“…Three new classes of miniaturized Marchand balun are defined based on the synthesis of filter prototypes. They are suitable for mixed lumped-distributed planar…”
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Synthesis of Cul-De-Sac Filter Networks Utilizing Hybrid Couplers by Fathelbab, W.M.

“…A synthesis procedure is described for the design of Cul-De-Sac networks realizing either bandpass or bandstop filter characteristics. The prototypes comprise…”
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A New Class of Reconfigurable Microwave Bandpass Filters by Fathelbab, W.M.

“…A distributed network prototype is presented that enables the design of a new class of reconfigurable bandpass filters. The design procedure is based on the…”
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Synthesis of predistorted reflection-mode hybrid prototype networks with symmetrical and asymmetrical characteristics by Fathelbab, W. M., Hunter, I. C., Rhodes, J. D.

“…A new technique for predistorting filter transfer functions to compensate for the dissipative losses present in the resonator elements is introduced. The…”
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Distributed biasing of differential RF circuits by Fathelbab, W.M., Steer, M.B.

“…A distributed balun is presented as an alternative to inductor-based biasing of active differential circuits. The new scheme has broad bandwidth with low loss…”
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Four-port microwave networks with intrinsic broad-band suppression of common-mode signals by Fathelbab, W.M., Steer, M.B.

“…Two classes of four-port microwave networks are defined with discriminative even- and odd-mode transmission characteristics. Design of the networks is based on…”
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A tunable combline bandpass filter using barium strontium titanate interdigital varactors on an alumina substrate by Nath, J., Fathelbab, W., Franzon, P.D., Kingon, A.I., Ghosh, D., Maria, J.-P., Steer, M.B.

“…Barium strontium titanate (BST) has a field-dependent permittivity that enables it to be used as a dielectric in a voltage-tunable capacitor or varactor. A…”
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A prototype for predistorted high-pass filters by Fathelbab, W. M., Hunter, I. C.

“…This paper presents a new technique for predistorting high‐pass prototype filter networks to compensate for the dissipative losses in reactive elements. The…”
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Two novel classes of band-reject filters realizing broad upper pass bandwidth by Fathelbab, W. M., Jaradat, H. M., Reynolds, D.

“…Two novel classes of band-reject filters capable of realizing broad upper pass bandwidth are presented in this paper. The filters comprise band-reject network…”
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Parallel-coupled line filters with enhanced stopband performances by Fathelbab, W.M., Steer, M.B.

“…A new class of parallel-coupled line filters with broad stopband response is introduced. The design is based on the synthesis of bandpass prototypes with…”
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Tapped marchand baluns for matching applications by Fathelbab, W.M., Steer, M.B.

“…Compact three-terminal structures with integrated matching and balun functionality are presented. The structures are in the form of tapped Marchand baluns and…”
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