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High-Q, Tunable Microwave Superconducting Strip-Line Filters

Award Information

Department of Defense
Missile Defense Agency
Award ID:
Program Year/Program:
2003 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
TRS Ceramics, Inc.
2820 East College Avenue State College, PA 16801-
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2003
Title: High-Q, Tunable Microwave Superconducting Strip-Line Filters
Agency / Branch: DOD / MDA
Contract: F4962003C0012
Award Amount: $749,912.00


The objective of the proposed Phase II SBIR program is to develop high Q, tunable microwave filters by using a cryogenic piezoelectric actuator to mechanically tune a high temperature superconducting resonator. This device will enable a broad range ofcivilian and military applications that require precise band selectivity over a broad frequency range. In Phase I of this project, a 25% tuning range was successfully demonstrated between 2 and 8 GHz by using a piezoelectric bending element to adjust thewidth of an air gap between a microstrip resonator and a dielectric or metal tuning plate. For Phase II high Q will be achieved with high temperature superconducting resonators requiring operation below 77K; temperatures at which conventionalpiezoelectrics exhibit poor performance. Instead, we will use relaxor ferroelectric single crystals such as Pb(Mg1/3Nb2/3)O3-PbTiO3, which exhibit over 10 times the strain of conventional ceramic materials at room temperature and exhibit a 5-foldimprovement at cryogenic temperatures. The Phase II program will be collaboration between TRS Technologies, Inc. and the Pennsylvania State University. The goal will be to develop a multipole bandpass filter at 1-3 GHz using half-wavelengthtransmission-line-resonator design, with 1% bandwidth, >25% tunability, and less than 1-dB insertion loss.

Principal Investigator:

Dean Anderson
Director of Engineering

Business Contact:

Wesley Hackenberger
Managing Director
Small Business Information at Submission:

2820 East College Avenue State College, PA 16801

EIN/Tax ID: 251637806
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No