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Displaying 1076 - 1100 of 1560

Structure, magnetism, and tunable microwave properties of pulsed laser deposition grown barium ferrite/barium strontium titanate bilayer films

April 2, 1997
Author(s)
Ranko R. Heindl, H. Srikanth, T. Weller, S. Witanachchi, P. Mukherjee, A. S. Tatarenko, G. Srinivasan
Ferrite/ferroelectric films are of interest as they afford dual tunability of the permeability and permittivity using magnetic and electric fields. We have grown bilayered thin films of ferrimagnetic BaFe12O19 (BaM) and ferroelectric Ba0.5Sr0.5TiO3 (BST)

Calibration Comparison Method for Vector Network Analyzers

December 1, 1996
Author(s)
Roger Marks, Jeffrey A. Jargon, John R. Juroshek
We present a technique for comparing the scattering parameter measurements made with respect to two vector network analyzer calibrations. This method determines the worst-case measurement error bounds on any calibration from a benchmark calibration

Calibration in Multiconductor Transmission Lines

December 1, 1996
Author(s)
Dylan F. Williams
Abstract: This paper presents a calibration and measurement method for circuits embedded in lossy printed multiconductor transmission lines. The experimental results illustrate the complexity of the modal representation and the utility of the conductor

Modal Cross Power in Quasi-TEM Transmission Lines

November 1, 1996
Author(s)
Dylan F. Williams, F. Olyslager
This paper examines modal cross power in electromagnetic transmission lines. It shows that the cross powers of nearly degenerate modes may be large in quasi-TEM multiconductor transmission lines typical of modern electronic circuits at moderate and low

Impedance Mismatch Effects on Propagation Constant Measurements

October 1, 1996
Author(s)
Donald C. DeGroot, Dave K. Walker, Roger Marks
By measuring propagation constants of coplanar waveguide transmission lines, we show the significant systematic errors of common measurement techniques when the characteristic impedance of the lines does not match the reference impedance of the instrument.

International Intercomparison of Horn Gain at X-Band

October 1, 1996
Author(s)
Carl F. Stubenrauch, Allen C. Newell, Andrew G. Repjar, Katherine MacReynolds, Douglas T. Tamura, F. Holmlarsen, J. Lemancyzyk, R. Behe, G. Portier, J. C. Zehren, H. Hollman, J. D. Hunter, David Gentle, Jan P. deVreede
Displaying 1076 - 1100 of 1560