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S-parameter measurements and applications of superconducting flux flow transistors

Conference · · 1991 IEEE MTT-S International Microwave Symposium Digest
 [1];  [1];  [1];  [1];  [1];  [2]
  1. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
  2. AT&T Bell Laboratories, Murray Hill, NJ (United States)
+ Show Author Affiliations

Microwave two-port S-parameter measurements and modeling were performed on superconducting flux flow transistors. These transistors, based on the magnetic control of flux flow in an array of high-temperature superconducting weak links, can exhibit significant available power gain at microwave frequencies (over 20 dB at 7-10 GHz in some devices). The input impedance is largely inductive, while the output impedance is resistive and inductive. These devices are potentially useful in numerous applications, including matched amplifiers.< >

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE; Defense Advanced Research Projects Agency (DARPA); US Department of the Navy, Office of Naval Research (ONR)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6063740
Report Number(s):
SAND--91-0381C; CONF-910690--2; ON: DE91009763; CNN: N0017390WR00172; Journal Serial ID: 11-14 Jun 1991
Journal Information:
1991 IEEE MTT-S International Microwave Symposium Digest, Journal Name: 1991 IEEE MTT-S International Microwave Symposium Digest
Publisher:
IEEE
Country of Publication:
United States
Language:
English

References (7)

Morphology control and high critical currents in superconducting thin films in the Tl-Ca-Ba-Cu-O system journal August 1989
Resonant impedance matching of Abrikosov vortex-flow transistors journal March 1991
Growth of epitaxial Ba2YCu3O7−x films on LaAlO3 (001) journal December 1990
Optimization of annealing parameters for the growth of epitaxial Ba2YCu3O7−x films on LaAlO3(100) journal December 1990
Current Distribution in Superconducting Films Carrying Quantized Fluxoids journal August 1964
Single superconducting thin film devices for applications in high T/sub c/ materials circuits journal March 1989
S parameter measurements on single superconducting thin‐film three‐terminal devices made of high‐ T c and low‐ T c materials journal May 1989

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Related Subjects

426001* -- Engineering-- Superconducting Devices &amp; Circuits-- (1990-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
AMPLIFICATION
AMPLIFIERS
BARIUM COMPOUNDS
BARIUM OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DESIGN
ELECTRIC CONDUCTIVITY
ELECTRIC IMPEDANCE
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EQUIPMENT
FABRICATION
GAIN
HIGH-TC SUPERCONDUCTORS
IMPEDANCE
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MAGNETIC FIELDS
MAGNETIC FLUX
MICROWAVE RADIATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATIONS
RARE EARTH COMPOUNDS
SEMICONDUCTOR DEVICES
SUPERCONDUCTING DEVICES
SUPERCONDUCTORS
THALLIUM COMPOUNDS
THALLIUM OXIDES
TRANSISTORS
TRANSITION ELEMENT COMPOUNDS
USES
YTTRIUM COMPOUNDS
YTTRIUM OXIDES