NDLI: Space qualified hybrid superconductor/semiconductor planar oscillator circuit

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Space qualified hybrid superconductor/semiconductor planar oscillator circuit

Content Provider	NASA Technical Reports Server (NTRS)
Author	Chorey, C. M. Romanofsky, R. R. Bhasin, K. B. Miranda, F. A.
Copyright Year	1995
Description	We report on the space qualification of a hybrid superconductor/semiconductor planar local oscillator (LO) at 8.4 GHz. This oscillator was designed, fabricated, and tested as a component for the High Temperature Superconductivity Space Experiment 2 (HTSSE-2). The LO consisted of a GaAs MESFET and microstrip circuitry patterned onto a YBa2Cu3O(7-delta) high temperature superconducting (HTS) thin film on a 1.0 x 1.0 sq cm lanthanum aluminate (LaAlO3) substrate. At 77 K, this oscillator achieved power output levels up to 10 dBm into a 50 Ohm load. When incorporated into a full cryogenic receiver, the LO provided output powers within 0.0-3.0 dBm with less than 50 mW of dc power dissipation. Space qualification data on the sensitivity of the HTS films to the processing steps involved in the fabrication of HTS-based components are presented. Data on ohmic contacts, strength of wire bonds made to such contacts, and aging effects as well as vibration test results are discussed.
File Size	556408
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950024282
Archival Resource Key	ark:/13960/t3421wr30
Language	English
Publisher Date	1995-06-01
Access Restriction	Open
Subject Keyword	Solid-state Physics Hybrid Circuits Gallium Arsenides Electric Contacts Field Effect Transistors Spaceborne Experiments Spacecraft Electronic Equipment Electronic Equipment Tests Thin Films Integrated Circuits Ybco Superconductors Superconducting Films Microwave Circuits Microwave Oscillators Microstrip Transmission Lines Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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