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  • 1
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    High Efficiency Microwave Power Amplifier (HEMPA) Design (2004)
    In:  CASI
    Details
    Publication Date: 2018-06-05
    Description: This paper will focus on developing an exotic switching technique that enhances the DC-to-RF conversion efficiency of microwave power amplifiers. For years, switching techniques implemented in the 10 kHz to 30 MHz region have resulted in DC-to-RF conversion efficiencies of 90-95-percent. Currently amplifier conversion efficiency, in the 2-3 GHz region approaches, 10-20-percent. Using a combination of analytical modeling and hardware testing, a High Efficiency Microwave Power Amplifier was built that demonstrated conversion efficiencies four to five times higher than current state of the art.
    Keywords: Electronics and Electrical Engineering
    Type: International Conference on Advances in the Internet, Processing, Systems and Interdisciplinary Research (IPSI-2004)
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Overview of the High Performance Antiproton Trap (HiPAT) Experiment (2002)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A general overview of the High Performance Antiproton Trap (HiPAT) Experiment is presented. The topics include: 1) Why Antimatter? 2) HiPAT Applicability; 3) Approach-Goals; 4) HiPAT General Layout; 5) Sizing For Containment; 6) Laboratory Operations; 7) Vacuum System Cleaning; 8) Ion Production Via Electron Gun; 9) Particle Capture Via Ion Sources; 10) Ion Beam Steering/Focusing; 11) Ideal Ion Stacking Sequence; 12) Setup For Dynamic Capture; 13) Dynamic Capture of H(+) Ions; 14) Dynamic Capture; 15) Radio Frequency Particle Detection; 16) Radio Frequency Antenna Modeling; and 17) R.F. Stabilization-Low Frequencies. A short presentation of propulsion applications of Antimatter is also given. This paper is in viewgraph form.
    Keywords: Nuclear Physics
    Type: 17th International Conference on the Application of Accelerators in Research and Industry; Nov 14, 2002; Denton, TX; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    2250-MHz High Efficiency Microwave Power Amplifier (HEMPA) (2001)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Tnis paper will focus on developing an exotic switching technique that enhances the DC-to-RF conversion efficiency of microwave power amplifiers. For years, switching techniques implemented in the 10 kHz to 30 MHz region have resulted in DC-to-RF conversion efficiencies of 90-95-percent. Currently amplifier conversion efficiency, in the 2-3 GHz region approaches, 10-20-percent. Using a combination of analytical modeling and hardware testing, a High Efficiency Microwave Power Amplifier was built that demonstrated conversion efficiencies four to five times higher than current state of the art.
    Keywords: Electronics and Electrical Engineering
    Type: Space Technology and Applications; Feb 11, 2001 - Feb 15, 2001; Albuquerque, NM; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    High Efficiency Microwave Power Amplifier (HEMPA) Design (2004)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: This paper will focus on developing an exotic switching technique that enhances the DC-to-RF conversion efficiency of microwave power amplifiers. For years, switching techniques implemented in the 10 kHz to 30 MHz region have resulted in DC-to-RF conversion efficiencies of 90-95-percent. Currently amplifier conversion efficiency, in the 2-3 GHz region approaches, 10-20-percent. Using a combination of analytical modeling and hardware testing, a High Efficiency Microwave Power Amplifier was built that demonstrated conversion efficiencies four to five times higher than current state of the art.
    Keywords: Energy Production and Conversion
    Type: International IPSI-2004; Jul 28, 2004 - Aug 02, 2004; Pescara; Italy
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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