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- Publications
- Influence
A Novel Method for Improving Antipodal Vivaldi Antenna Performance
Herein, a new method for improving the directivity and bandwidth of the antipodal Vivaldi antenna structure is presented. The method is based on introducing a parasitic elliptical patch in the flare… Expand
A 2.45 GHz Phased Array Antenna Unit Cell Fabricated Using 3-D Multi-Layer Direct Digital Manufacturing
- T. Ketterl, Yaniel Vega, +8 authors T. Weller
- Materials Science
- IEEE Transactions on Microwave Theory and…
- 11 November 2015
This paper reports on the design, fabrication and characterization of a 3-D printed RF front end for a 2.45 GHz phased array unit cell. The printed unit cell, which includes a circularly-polarized… Expand
Miniaturized Wilkinson power dividers utilizing capacitive loading
- M. Scardelletti, G. Ponchak, T. Weller
- Materials Science
- IEEE Microwave and Wireless Components Letters
- 7 August 2002
The authors report the miniaturization of a planar Wilkinson power divider by capacitive loading of the quarter wave transmission lines employed in conventional Wilkinson power dividers. Reduction of… Expand
A Compact Reverberation Chamber for Hyper-Rayleigh Channel Emulation
- J. Frolik, T. Weller, S. Distasi, J. Cooper
- Computer Science
- IEEE Transactions on Antennas and Propagation
- 14 July 2009
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Single and double folded-slot antennas on semi-infinite substrates
- T. Weller, L. Katehi, Gabriel M. Rebeiz
- Materials Science
- 1 December 1995
Design guidelines are presented for single and double folded-slot (DFS) antennas on a dielectric half-space. The DFS antenna consists of two folded-slot elements which are separated by a… Expand
Characterization and Modeling of K-Band Coplanar Waveguides Digitally Manufactured Using Pulsed Picosecond Laser Machining of Thick-Film Conductive Paste
- E. Rojas-Nastrucci, H. Tsang, +5 authors T. Weller
- Materials Science
- IEEE Transactions on Microwave Theory and…
- 21 March 2017
Microdispensing of thick-film conductive paste has been demonstrated as a viable approach for manufacturing microwave planar transmission lines. However, the performance and upper frequency range of… Expand
Development of Novel 3-D Cube Antennas for Compact Wireless Sensor Nodes
3-D antennas for narrow band, wireless sensor node applications are described herein. The antennas were designed on the surface of a cube which makes available the cube interior for sensor… Expand
Design and modeling of 4-bit slow-wave MEMS phase shifters
- B. Lakshminarayanan, T. Weller
- Engineering
- IEEE Transactions on Microwave Theory and…
- 10 January 2006
A true-time-delay multibit microelectromechanical systems (MEMS) phase-shifter topology based on impedance-matched slow-wave coplanar-waveguide sections on a 500-mum-thick quartz substrate is… Expand
Three-dimensional high-frequency distribution networks. I. Optimization of CPW discontinuities
- T. Weller, R. Henderson, K. Herrick, S. Robertson, R. T. Kihm, L. Katehi
- Engineering
- 1 December 2000
This paper describes a systematic study of coplanar waveguide discontinuities that are requisite components of high-frequency distribution networks. The specific geometries addressed are air bridges,… Expand
Multimaterial and Multilayer Direct Digital Manufacturing of 3-D Structural Microwave Electronics
- K. Church, N. Crane, +9 authors T. Weller
- Engineering, Computer Science
- Proceedings of the IEEE
- 13 February 2017
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