Search Results - "Fathelbab, W.M."
-
1
The Synthesis of a Class of Branch-Line Directional Couplers
Published in IEEE transactions on microwave theory and techniques (01-08-2008)“…The design of a class of branch-line couplers comprising coupled-line branches is presented. The method employs classical network synthesis to derive a…”
Get full text
Journal Article -
2
New classes of miniaturized planar Marchand baluns
Published in IEEE transactions on microwave theory and techniques (01-04-2005)“…Three new classes of miniaturized Marchand balun are defined based on the synthesis of filter prototypes. They are suitable for mixed lumped-distributed planar…”
Get full text
Journal Article -
3
A reconfigurable bandpass filter for RF/microwave multifunctional systems
Published in IEEE transactions on microwave theory and techniques (01-03-2005)“…A network prototype suitable for reconfigurable filters with imaginary-axis transmission zeros is presented. The prototype is synthesized using classical…”
Get full text
Journal Article -
4
Parallel-coupled line filters with enhanced stopband performances
Published in IEEE transactions on microwave theory and techniques (01-12-2005)“…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…”
Get full text
Journal Article -
5
Synthesis of Cul-De-Sac Filter Networks Utilizing Hybrid Couplers
Published in IEEE microwave and wireless components letters (01-05-2007)“…A synthesis procedure is described for the design of Cul-De-Sac networks realizing either bandpass or bandstop filter characteristics. The prototypes comprise…”
Get full text
Journal Article -
6
Tapped marchand baluns for matching applications
Published in IEEE transactions on microwave theory and techniques (01-06-2006)“…Compact three-terminal structures with integrated matching and balun functionality are presented. The structures are in the form of tapped Marchand baluns and…”
Get full text
Journal Article -
7
A New Class of Reconfigurable Microwave Bandpass Filters
Published in IEEE transactions on circuits and systems. II, Express briefs (01-03-2008)“…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…”
Get full text
Journal Article -
8
Distributed biasing of differential RF circuits
Published in IEEE transactions on microwave theory and techniques (01-05-2004)“…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…”
Get full text
Journal Article -
9
Four-port microwave networks with intrinsic broad-band suppression of common-mode signals
Published in IEEE transactions on microwave theory and techniques (01-05-2005)“…Two classes of four-port microwave networks are defined with discriminative even- and odd-mode transmission characteristics. Design of the networks is based on…”
Get full text
Journal Article -
10
Narrowband Barium Strontium Titanate (BST) tunable bandpass filters at X-band
Published in 2009 IEEE MTT-S International Microwave Symposium Digest (01-06-2009)“…A 3rd-order combline tunable filter with very narrow bandwidth at X-band is implemented utilizing ferroelectric barium strontium titanate (BST) interdigitated…”
Get full text
Conference Proceeding -
11
Discrete Barium Strontium Titanate (BST) Thin-Film Interdigital Varactors on Alumina: Design, Fabrication, Characterization, and Applications
Published in 2006 IEEE MTT-S International Microwave Symposium Digest (01-06-2006)“…Discrete barium strontium titanate (BST) thin-film capacitors in industry standard 0603 footprint are introduced and characterized. BST capacitors have a…”
Get full text
Conference Proceeding -
12
Selective lowpass filters realizing finite-frequency transmission zeros
Published in 2009 IEEE Radio and Wireless Symposium (01-01-2009)“…A new approach of implementing stepped-impedance hairpin lowpass filters is presented. The filters realize finite-frequency transmission zeros located within…”
Get full text
Conference Proceeding -
13
Novel implementations of dual- and triple-band filters on double-sided substrates
Published in 2009 IEEE Radio and Wireless Symposium (01-01-2009)“…A new implementation technique of dual- and triple-band filters is presented in this paper. The filters are realized by utilizing a double-sided substrate with…”
Get full text
Conference Proceeding -
14
New Stepped-Impedance Parallel-Coupled Line (PCL) Filters for Ultra-Wide Band (UWB) Applications
Published in 2008 38th European Microwave Conference (01-10-2008)“…A new class of stepped-impedance parallel-coupled line filters is presented. The filters are compact, suitable for ultra-wide band frequency applications and…”
Get full text
Conference Proceeding -
15
Ultra-wideband (UWB) Hairpin-Comb filters with broad stopband performances
Published in 2008 IEEE Radio and Wireless Symposium (01-01-2008)“…A new approach for the design of UWB hairpin-comb filters is presented. The filters can be designed to possess broad upper stopband characteristics by…”
Get full text
Conference Proceeding -
16
A 6.2-7.5 GHz tunable bandpass filter with integrated Barium Strontium Titanate (BST) interdigitated varactors utilizing silver/copper metallization
Published in 2009 IEEE Radio and Wireless Symposium (01-01-2009)“…A 3rd-order combline tunable filter is implemented utilizing ferroelectric barium strontium titanate (BST) interdigitated varactors. The filter and its…”
Get full text
Conference Proceeding