Search Results - "Lancaster, M.J."

General Design of Multiway Multisection Power Dividers by Interconnecting Two-Way Dividers by Jiafeng Zhou, Morris, K.A., Lancaster, M.J.

“…It is common practice to design multiway power dividers by interconnecting two-way power dividers. Transmission lines are used to link the two-way dividers…”
Get full text

Couplings of microstrip square open-loop resonators for cross-coupled planar microwave filters by Jia-Sheng Hong, Lancaster, M.J.

“…A new type of cross-coupled planar microwave filter using coupled microstrip square open-loop resonators is proposed. A method for the rigorous calculation of…”
Get full text

Design of highly selective microstrip bandpass filters with a single pair of attenuation poles at finite frequencies by Jia-Sheng Hong, Lancaster, M.J.

“…This paper presents the design of a class of highly selective microstrip bandpass filters that consist of microstrip open-loop resonators that exhibit a single…”
Get full text

Micromachined Millimeter-Wave Rectangular-Coaxial Branch-Line Coupler With Enhanced Bandwidth by Yi Wang, Maolong Ke, Lancaster, M.J., Huang, F.

“…Wideband millimeter-wave branch-line couplers have been demonstrated using micromachined air-filled rectangular-coaxial lines supported by quarter-wavelength…”
Get full text

Superconducting spiral filters with quasi-elliptic characteristic for radio astronomy by Guoyong Zhang, Huang, F., Lancaster, M.J.

“…To produce a filter small enough to fit a 2-in wafer at 408 MHz while maintaining high-quality performance, half-wavelength single spiral microstrip resonators…”
Get full text

Design and High Performance of a Micromachined K -Band Rectangular Coaxial Cable by Lancaster, M.J., Jiafeng Zhou, Maolong Ke, Yi Wang, Jiang, K.

“…This paper presents the design and performance of a low-loss rectangular air-filled coaxial cable. A high-precision micromachining technique is used to…”
Get full text

A high-temperature superconducting bandpass filter with microstrip quarter-wavelength spiral resonators by Guoyong Zhang, Lancaster, M.J., Frederick Huang

“…A high-temperature superconducting bandpass filter at 408 MHz using microstrip quarter-wavelength spiral resonators is demonstrated. The quarter-wavelength…”
Get full text

Coplanar quarter-wavelength quasi-elliptic filters without bond-wire bridges by Jiafeng Zhou, Lancaster, M.J., Frederick Huang

“…This paper presents the design and experimental results of two coplanar quarter-wavelength microwave filters operating at a frequency of approximately 3 GHz…”
Get full text

Triple-Band HTS Filter Using Dual Spiral Resonators With Capacitive-Loading by Abu-Hudrouss, A.M., Jayyousi, A.B., Lancaster, M.J.

“…The increasing demand on microwave spectrum for communication systems has been the driving force in the filter industry. Multiple filtering characteristics…”
Get full text

High-Temperature Superconducting Coplanar Left-Handed Transmission Lines and Resonators by Yi Wang, Lancaster, M.J.

“…This paper implements wideband, low-loss, and via-free left-handed transmission lines (LH-TLs) using superconductor thin films. Introducing superconductors…”
Get full text

Measurement of YBCO Thin Film Surface Resistance Using Coplanar Line Resonator Techniques From 20 MHz to 20 GHz by Yi Wang, Hieng Tiong Su, Huang, F., Lancaster, M.J.

“…The surface resistances of YBCO thin films are measured over a wide and continuous frequency range from 20 MHz to 20 GHz, by characterizing more than 1000…”
Get full text

A high-temperature superconducting Butler matrix by Corona, A., Lancaster, M.J.

“…This paper presents a novel configuration of a beamforming 16-port Butler matrix centered on a frequency of 2 GHz. The structure is implemented using…”
Get full text

HTS Quasi-Elliptic Filter Using Capacitive-Loaded Cross-Shape Resonators With Low Sensitivity to Substrate Thickness by Corona-Chavez, A., Lancaster, M.J., Hieng Tiong Su

“…The design and implementation of a four-pole quasi-elliptic filter for X-band radar applications using high-temperature superconductors is presented. The…”
Get full text

On the performance of HTS microstrip quasi-elliptic function filters for mobile communications application by Jia-Sheng Hong, Lancaster, M.J., Jedamzik, D., Greed, R.B., Mage, J.-C.

“…The low-loss and high-selective high-temperature superconducting (HTS) bandpass filters can enhance performance of mobile communications systems. In this…”
Get full text

Wide-band superconducting coplanar delay lines by Yi Wang, Hieng Tiong Su, Frederick Huang, Lancaster, M.J.

“…Two 25-ns high-temperature superconductor delay lines with novel double-spiral meander line structures were fabricated and measured, one based on the…”
Get full text

The design of microstrip six-pole quasi-elliptic filter with linear phase response using extracted-pole technique by Yeo, K.S.K., Lancaster, M.J.

“…The development of microstrip filters has been in great demand due to the rapid growth of wireless communication systems in this decade. Quasi-elliptic…”
Get full text

HTS narrow band filters at UHF band for radio astronomy applications by Jiafeng Zhou, Lancaster, M.J., Frederick Huang, Roddis, N., Glynn, D.

“…High performance narrow-band High-Temperature Superconductor (HTS) filters at 610 MHz with very sharp cut-off response and low loss are needed for improving…”
Get full text

Filtering functions with reduced fabrication sensitivity by Jayyousi, A.B., Lancaster, M.J., Huang, F.

“…A new category of filtering functions is proposed. Reflection zeros are redistributed to provide higher attenuation lobes near the band edge compared to the…”
Get full text

Wide-band superconducting microstrip delay line by Hieng Tiong Su, Yi Wang, Huang, F., Lancaster, M.J.

“…This paper describes the design, fabrication, and testing of a novel microstrip superconducting delay line. The structure of the delay line is a double-spiral…”
Get full text

A novel tap input coupling structure for a narrow bandpass filter using TM/sub 010/ mode of a microstrip circular-disk resonator by Yeo, K.S.K., Lancaster, M.J.

“…This paper discusses a new method to couple into the TM/sub 010/ mode of a microstrip circular-disk resonator. This method can achieve reasonably strong input…”
Get full text