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Kathleen L. Melde (formerly Virga) joined the faculty of UA Electrical and Computer Engineering in 1996 with extensive experience in modeling, fabrication and measurement of the performance of antennas, antenna arrays, high-density microwave circuits, and high-speed packaging interconnects. Prior to the University of Arizona, from 1985 to 1996, she worked in the Radar Systems Group at Hughes Electronics in California.
Melde is known for her contributions to the design and development of antennas and transmit-receive, or T/R, modules for airborne phased and active arrays. She has more than 90 publications, 5 U.S. patents, and has been an expert witness and consultant in the area of RF circuits and antennas. Her current projects include tunable RF front ends for cognitive radio, high-speed electronics packaging, on-chip antennas, and antennas for wildlife tracking.Show Less
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Courses
- ATDAntenna Theory and Design
- EPPElectronic Packaging Principles
- IEIntroduction to Engineering
- MEIPCDMicrowave Engineering I: Passive Circuit Design
Grants
- IUCRC Phase I UArizona: Center to Stream Healthcare In Place (C2SHIP)
Co-Investigator (COI)
2021
$899.7K
Active - Enhancement of High Frequency Signal Transmission through Copper Interconnect Lines Embedded in Filled and Unfilled Build-Up Films using Chemical Adhesion Methods
Co-Investigator (COI)
2020
$85.0K
- Planning IUCRC University of Arizona: Center of Stream Healthcare In Place (SHIP)
Co-Investigator (COI)
2018
$15.0K
- Pattern Adaptable Antenna Arrays for Networks on Chips in Massively Multicore Systems
Principal Investigator (PI)
2017
$300.0K
- High Density Broadband Signal Interconnects with Embedded Patterned Substrate Layers
Principal Investigator (PI)
2012
$292.1K
- Exploring New RF Circuit Structure with Embedded Patterned Substrate Layers
Principal Investigator (PI)
2012
$49.7K
- Bio-Inspired Electro-Optic Structure for Silicon Photovoltaics
Principal Investigator (PI)
2011
$33.1K
- Collaborative Research: Energy Aware Millimeter Wireless Data Communications in Multicore Systems
Principal Investigator (PI)
2010
$297.4K
- Nanostructured Films for Photovoltaics
Co-Investigator (COI)
2009
$1.1M
- Broadband electrical characterization of next generation packaging materials and interconnects: measurements and modeling
Principal Investigator (PI)
2009
$273.0K
Technologies / Patents
News
- With $3M Grant, UArizona-Led Center to Advance At-Home Health Care Technology
2021
- H.S. Students Get a Jump Start on Research
2015
- Ebola Not Just a Matter for Medicine
2014
- Students Design Key Component for African Water System
2008
- UA Ph.D. Student Wins Inaugural John L. Prince Fellowship
2006
- Fundamental Data for Next Generation Electronics is Emerging in UA Lab
2006
- System Always Finds a Good Match for Radios and Antennas
2006
Publications (151)
Recent
- Charting A Pathway to Leadership [Women in Engineering]
2021
- 360° Switched Beam SIW Horn Arrays at 60 GHz, Phase Centers, and Friis Equation
2021
- Switched Beam SIW Horn Arrays at 60 GHz for 360° Chip-To-Chip Communications
2021
- Switched beam SIW horn arrays at 60 GHz for 360 reconfigurable chip-to-chip communications with interference considerations
2021
- Switched-beam end-fire planar array and integrated feed network for 60-GHz chip-to-chip space-surface wave communications
2021
- Testing and Validation of Adaptive Impedance Matching System for Broadband Antenna
2019
- PCB bowing effects on 60 GHz switched-beam antenna modules
2019
- Different Strategies for Preparing Students to Tackle the RF Engineering Challenges of Tomorrow: a Panel Discussion
2018
- Switched-beam endfire planar array with integrated 2-D Butler matrix for 60 GHz chip-to-chip space-surface wave communications
2018
- The Antennas and Propagation Symposium and Radio Science Meeting Awards Presentation [Awards]
2018
- Chip-to-chip switched beam 60 GHz circular patch planar antenna array and pattern considerations
2018
- Standing Wave Considerations in the Link Model of 60 GHz Directional Surface Wave Arrays
2018
- Link characteristics of directional surface wave antenna arrays
2018
- Switched-beam 60-GHz four-element array for multichip multicore system
2017
- Wearable heart rate and fall detection notification system
2016
- Implementing Embedded Patterned Layers for Crosstalk Reduction Between Coupled Microstrip Lines
2016
- Impact of gain and polarization in the design of reconfigurable chip-to-chip antennas
2016
- Reconfigurable 60GHz Four Element Array for Multi-Chip Multi-Core System
2016
- Impact of ground via placement in grounded coplanar waveguide interconnects
2015
- On-chip antenna arrays for multi-chip RF data transmission
2015
- A low cost open-air system based on an empirical path-loss model
2015
- HyNoC: An All-Direction Millimetre-Wave Wireless and Wired Reconfigurable Communication Fabric Design for Network-on-Chip
2015
- Introducing embedded patterned layers for improved broadband performance of high density transmission line routing
2015
- Low cost open-air tracking system based on an empirical path-loss model
2015
- A Low Cost Open-Air Tracking System Based on an Empirical Path-Loss Model
2015
- Time difference of arrival for small mammal tracking system
2014
- Guest Editorial for the Special Section on Antenna Systems and Propagation for Cognitive Radio
2014
- Reconfigurable on-chip antenna arrays for multi-chip RF data transmission
2014
- Flexible VHF Animal Collar Antenna for GPS-Aided Wildlife Tracking
2014
- Measurement trends for high-speed applications
2014
- Time difference of arrival for small mammal tracking system,
2014
- Impact of geometry of embedded pattern layer on signal integrity of coupled microstrips
2014
- Insertion loss characterization of tightly spaced interconnects with an embedded patterned layer
2013
- Computational design of photovoltaics with silicon nanowire
2013
- Welcome message
2013
- FDTD modeling of solar energy absorption in silicon branched nanowires
2013
- Broadband Characterization of Coplanar Waveguide Interconnects With Rough Conductor Surfaces
2013
- Light Trapping Characterization of Branched Nanowire Structures for Photovoltaics
2013
- Collar-Integrated Small Mammal GPS Tracker
2013
- Collar-integrated small mammal GPS tracker,
2013
- Development of 60-GHz wireless interconnects for interchip data transmission
2013
- Exploring New RF Circuit Structures with Embedded Patterned Substrate Layers
2013
- FPGA based single cycle, reconfigurable router for NoC applications
2013
- Characterizing the impact of conductor surface roughness on CB-CPW behavior via reduced computational complexity
2012
- VHF collar integrated antenna for ground link of GPS based location system
2012
- Small Wearable Antenna for Animal Tracking
2012
- 60 GHz Multi-Antenna in Multi-Core System
2012
- 60 GHz multi-antenna design in Multi-Core system
2012
- Characterizing the Impact of Conductor Surface Roughness on CB-CPW Behavior via Reduced Compuational Complexity
2012
- IEEE Transactions on Antennas and Propagation announces a Special Issue on Antenna Systems and Propagation for Cognitive Radio
2012
- The design of broadband 60 GHz AMC antenna in multi-chip RF data transmission
2012
- Surface roughness modeling for CB-CPWs
2012
- 60 GHz AMC antennas in multi-processor multi-chip data transmission
2012
- Design and packaging of small 60 GHz antenna array for multi-chip communication
2012
- Design and Packaging of Small 60GHz Antenna Array for MultiChip Communications
2012
- Apparatus and method of selecting components for a reconfigurable impedance match circuit
2011
- 3D via modeling simplification on multilayer mid-planes
2011
- Wireless RF data communications using 60 GHz antennas in multi-core systems
2011
- Measurements methodologies for signal integrity (T-II)
2011
- Folded monopole antenna over an artificial magnetic conductor for chip-to-chip communications
2011
- Application of the short-pulse propagation technique for broadband characterization of PCB and other interconnect technologies
2010
- The impact of Debye relaxation spectrum on the propagation characteristics of electromagnetic waves in low loss printed circuit materials
2010
- AP-S student paper competition
2010
- Software defined match control circuit integrated with a planar inverted F antenna
2010
- Design of compact adaptive rf matching circuits using square split ring resonators
2010
- Physically-consistent broadband material models for transmission lines on FR-4
2010
- A telemetry system for firefighters
2009
- Embedded tutorial: Challenges in high frequency measurement and simulation comparisons
2009
- Design of low-sidelobe linear arrays with high aperture efficiency and interference nulls
2009
- The effects of time windowing on the accuracy of the short-pulse propagation technique
2009
- The impact of on-wafer calibration method on the measured results of coplanar waveguide circuits
2009
- A comprehensive technique to determine the broadband physically consistent material characteristics of microstrip lines
2009
- Nested PIFAs for dual mode of operation: GPS and global communications
2008
- Development of a broadband coplanar waveguide-to-microstrip transition with vias
2008
- Exploiting directional antennas for reduced-dimension space-time RAKE receiving
2008
- An analysis on measurement sensitivity of Short-Pulse Propagation technique using a virtual test bench
2008
- The impact of the technical leadership, outstanding teaching, and active mentoring of professor donald G. Dudley Jr
2008
- A simple method of generating causal broadband RLGC models for CPW transmission lines with surface roughness
2008
- Exploiting Directional Antennas for Reduced-Dimension Space–Time RAKE Receiving
2008
- Frequency reconfigurable Planar Inverted F Antenna (PIFA) with software-defined match control
2007
- Frequency agility of broadband antennas integrated with a reconfigurable RF impedance tuner
2007
- Physically-consistent broadband material model generation for microstrip transmission lines
2007
- Broadband on-wafer calibrations comparison for accuracy and repeatability on co-planar waveguide structures
2007
- Reconfigurable RF impedance tuner for match control in broadband wireless devices
2006
- On-wafer measurement of microstrip-based circuits with a broadband vialess transition
2006
- Cavity resonance suppression in power delivery systems using electromagnetic band gap structures
2006
- IEEE Executive Staff
2006
- Packaging considerations for a compact reconfigurable RF tuner with a broadband tuning range
2006
- Ensuring passivity and automatic order selection for global rational approximation macromodeling
2006
- Development of array distributions for smart antennas with low sidelobes, interference-nulling, and effective radiated voltage constraints
2006
- The impact of antenna directivity on the small-scale fading in indoor environments
2006
- Automatically tuning antenna for software-defined and cognitive radio
2005
- A comparison of optimization techniques for power patterns with low sidelobes generated by linear arrays with efficient excitation distributions
2005
- Directional antenna arrays in CDMA ST-Rake receiving
2005
- Extraction of frequency dependent RLCG parameters of the packaging interconnects on low-loss substrates from frequency domain measurements
2005
- Characterization of microstrip interconnects over gridded ground planes
2005
- Comparison of MATLAB and GA optimization for three-dimensional pattern synthesis of circular arc arrays
2004
- Control de la topografía de lóbulos laterales de patrones en potencia tipo suma generados por distribuciones circulares continuas de elevada eficiencia
2004
- The applications of EBG structures in power/ground plane pair SSN suppression
2004
- Analytical and optimization methods for linear arrays with high efficiency and low sidelobes
2004
- Improving graduate packaging education through international cooperation
2003
- Pattern characteristics of linear arrays using the constrained least squares distribution
2003
- A broadband CPW-to-microstrip via-less transition for on wafer package probing applications
2003
- Accurate frequency domain modeling of LTCC solid-gridded plane structures
2003
- Performance characteristics of the dual exponentially tapered slot antenna (DETSA) for wireless communications applications
2003
- Modeling the performance of embedded gridded plane structures in LTCC
2003
- Statistical characteristics of microwave and millimeter wave indoor wireless channels
2003
- Frequency domain behavior of solid and gridded reference power/ground planes in LTCC modules
2002
- Indoor propagation characteristics for wireless communications in the 30 GHz range
2002
- Methods to reduce radiation from split ground planes in RF and mixed signal packaging structures
2002
- Indoor propagation measurements using low profile and directional dual exponentially tapered slot antennas
2002
- Measured characteristics of 30-GHz indoor propagation channels with low-profile directional antennas
2002
- Transmit patterns for active linear arrays with peak amplitude and radiated voltage distribution constraints
2001
- Investigation of power/ground plane resonance reduction using lumped RC elements
2000
- CONTRIBUTIONS FROM THE 49TH ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE-Pole-Residue Formulation for Transient Simulation of High-Frequency Interconnects Using Householder …
2000
- Pole-residue formulation for transient simulation of high-frequency interconnects using householder LS curve-fitting techniques
2000
- MINI-SPECIAL ISSUE PAPERS-Improved Global Rational Approximation Macromodeling Algorithm for Networks Characterized by Frequency-Sampled Data
2000
- Network analyzer calibration methods for high-density packaging characterization and validation of simulation models
2000
- Improved global rational approximation macromodeling algorithm for networks characterized by frequency-sampled data
2000
- Spatial beamformer weighting sets for circular array STAP
2000
- The effects of the element factor on low sidelobe circular arc array performance
2000
- Improved global rational approximation macromodeling algorithm for transient simulation of interconnects
1999
- CONTRIBUTIONS FROM THE 7TH TOPICAL MEETING ON ELECTRICAL PERFORMANCE OF ELECTRONIC PACKAGING-Electrical Characterization of Integrated Circuit Molding Compound
1999
- Efficient wide-band evaluation of mobile communications antennas using [Z] or [Y] matrix interpolation with the method of moments
1999
- Characterization and design methodology for the dual exponentially tapered slot antenna
1999
- Methods to reduce radiation from split ground plane structures [packaging]
1999
- Methods to reduce radiation from split ground plane structures
1999
- Electrical characterization of integrated circuit molding compound
1999
- Comparison of antenna transmit weighting functions for active arrays
1999
- Pole - residue formulation for transient simulation of high-speed interconnects using householder LS curve-fitting techniques
1999
- Generation of optimal distribution sets for single-ring cylindrical arc arrays
1998
- Characterization of bunny-ear antennas for wireless basestation applications
1998
- Dielectric constant and loss tangent measurement using a stripline fixture
1998
- Characterization of frequency dependent dielectric packaging media using differential and multiple-reflection techniques on a precision stripline test structure
1998
- Low-profile enhanced-B and width PIFA antennas for wireless communications packaging
1997
- Generation of wideband antenna performance by [Z] and [Y] matrix interpolation in the method of moments
1997
- The PACE Report
1996
- Low-profile integrated antennas for mobile radio communications
1996
- Modeling and performance visualization of broadband integrated antennas for radio communications applications
1996
- Simulating 'large' microwave circuits with the parallel planar generalized yee algorithm
1996
- Simulating" large" microwave circuits with the parallel Planar Generalized Yee algorithm
1996
- Enhanced-bandwidth integrated dual L antenna for mobile communications systems - design and measurement
1995
- Wide-band evaluation of communications antennas using [Z] matrix interpolation with the method of moments
1995
- Low temperature co-fired ceramic (ltcc) high density interconnect package with circuitry within the cavity walls
1994
- RCS characterization of a finite ground plane with perforated apertures: simulations and measurements
1994
- Surface currents on conducting plates with multiple apertures
1994
- RCS characterization of perforated apertures in a finite ground plane
1993
- Efficient statistical analysis of microwave circuit performance using design of experiments
1993
- Constant impedance transition between transmission structures of different dimensions
1993
- Stripline shielding techniques in low temperature co-fired ceramic
1992
- A waveguide switched-susceptance (diode-patch) phase shifter
1989