Search Results - "Lehtonen, John"
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Miniature atomic scalar magnetometer for space based on the rubidium isotope 87 Rb
Published in Journal of geophysical research. Space physics (01-08-2016)“…A miniature atomic scalar magnetometer based on the rubidium isotope Rb was developed for operation in space. The instrument design implements both and mode…”
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Journal Article -
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Miniature atomic scalar magnetometer for space based on the rubidium isotope 87Rb
Published in Journal of geophysical research. Space physics (01-08-2016)“…A miniature atomic scalar magnetometer based on the rubidium isotope 87Rb was developed for operation in space. The instrument design implements both Mx and Mz…”
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Journal Article -
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High efficiency 25 Watt GaN X-band SSPA for deep space missions
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…Deep space missions often require a rugged, high efficiency, low mass X-Band power amplifier to return science data back to Earth. A high efficiency 25 W GaN…”
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Conference Proceeding -
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Development of a flight qualified Ka-band multi-chip module for the solar probe plus mission
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…The Johns Hopkins University Applied Physics Lab (JHU/APL) has developed a flight qualified, hermetically sealed, I/Q modulator Ka-band Multi-chip Module…”
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Conference Proceeding -
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Qualification of X-band GaN Hybrid Power Amplifiers For Near Earth and Deep Space
Published in 2023 International Conference on Electromagnetics in Advanced Applications (ICEAA) (09-10-2023)“…In support of the National Aeronautics and Space Administration's (NASA's) Interstellar Mapping and Acceleration Probe (IMAP) mission, an X-band Gain Solid…”
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Conference Proceeding -
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Development of Ka-band frequency translators for high data rate communications
Published in 2010 IEEE Aerospace Conference (01-03-2010)“…As future communications in space require increasing data rates, Ka-band technology is needed to enable wider bandwidths and higher data rates. Linear…”
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Conference Proceeding -
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X-band GaN SSPA for Near Earth and Deep Space Missions
Published in 2022 IEEE Aerospace Conference (AERO) (05-03-2022)“…The Frontier Solid State Power Amplifier (SSPA), developed at the Johns Hopkins University Applied Physics Laboratory (JHU/APL) to support NASA's Interstellar…”
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Conference Proceeding -
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Ka-band I/Q modulator Multi-Chip Module for high data rate communications
Published in 2011 Aerospace Conference (01-03-2011)“…This paper describes the development and test results of a flight qualified, hermetic I/Q modulator Multi-Chip Module (MCM) with X-band input and Ka-band…”
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Conference Proceeding -
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Novel micro electro mechanical systems (MEMS) packaging for the skin of the satellite
Published in 2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720) (2004)“…This paper includes a discussion of the novel packaging techniques that are needed to place MEMS based thermal control devices on the skin of various…”
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Conference Proceeding -
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Novel Micro ElectroMechanical Systems (MEMS) Packaging for the Skin of the Satellite
Published in Illumina Technology Records - unstructured (01-02-2004)“…This paper includes a discussion of the novel packaging techniques that are needed to place MEMS based thermal control devices on the skin of various…”
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Conference Proceeding -
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Novel Micro ElectroMechanical Systems (MEMS) Packaging for the Skin of the Satellite
Published 15-12-2004“…This paper includes a discussion of the novel packaging techniques that are needed to place MEMS based thermal control devices on the skin of various…”
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Micro Processing a Path to Aggressive Instrument Miniaturization for Micro and Picosats
Published in 2005 IEEE Aerospace Conference (2005)“…Advanced micro-fabrication and packaging techniques provided through microelectromechanical systems (MEMS) technology enable fabrication and system integration…”
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Conference Proceeding -
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Wirebonding on various multichip module substrates and metallurgies
Published in 1997 Proceedings 47th Electronic Components and Technology Conference (1997)“…Wirebonding is still the mainstay, first-level interconnect for worldwide electronic products. As high-density circuit technology such as multichip modules…”
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Conference Proceeding