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Träfflista för sökning "WFRF:(Stake Jan 1971 ) "

Sökning: WFRF:(Stake Jan 1971 )

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1.
  • Svedin, Jan, et al. (författare)
  • Development of a 210 GHz near-field measurement radar system based on an antenna-integrated MMIC receiver front-end and an ultra-compact HBV transmitter source module
  • 2008
  • Ingår i: Proceedings of SPIE. - 0277-786X. ; 7117
  • Konferensbidrag (refereegranskat)abstract
    • The development of a 210 GHz radar system intended to study security applications such as personnel scanning is reported. The system is designed to operate with a transmit antenna floodlighting the target scene and a mechanically scanned antenna-integrated receiver module. For increased performance and potential future volume production the receiver front-end is based on highly integrated MMICs manufactured using the IAF 0.1 µm GaAs mHEMT process made available through a Swedish-German MoU. A single-chip MMIC solution is being developed containing feed antenna, LNA, mixer and an LO multiplier-chain. The transmitter part is based on a high-power HBV quintupler source-module.
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2.
  • Banik, Biddut, 1978-, et al. (författare)
  • Development and Design of a 340 GHz Photomixer Source
  • 2007
  • Ingår i: 18th International Symposium on Space THz Technology – ISSTT 2007.
  • Konferensbidrag (refereegranskat)abstract
    • We present the design of an InGaAlAs/InP uni-traveling-carrier photo-diode (UTC-PD) at mm-wave frequencies up to 340 GHz. The photo diode epitaxy is optimized using a quasi-3D software implementing the hydrodynamic semiconductor equations, for which an output power of 3 mW at 340 GHz was simulated. An equivalent circuit of the UTC-PD has been fitted to experimental S11 measurements up to 67 GHz. Finally, an optimized antenna coupled UTC-PD with choke filter has been designed. This MMIC circuit is intended for photomixing, with output power at 340 GHz.
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3.
  • Banik, Biddut, 1978-, et al. (författare)
  • High Power Photonic MW/THz Generation Using UTC-PD
  • 2008
  • Ingår i: GigaHertz SympoSium 2008.
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • The ongoing research work concentrates on extending the previously accomplished UTC-PD fabrication and modelling techniques to 340 GHz and above. We have fabricated and characterized UTC-PDs intended for high power MW/THz generation. Several integrated antenna-detector circuits have been designed and characterised.
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4.
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5.
  • Fobelets, Kristel, et al. (författare)
  • High-frequency capacitance of bipolar resonant tunneling diodes
  • 1996
  • Ingår i: Journal of Applied Physics. - 0021-8979. ; 79:2, s. 905-910
  • Tidskriftsartikel (refereegranskat)abstract
    • The high-frequency characteristics of bipolar resonant tunneling diodes are experimentally investigated at room temperature. The electron accumulation and discharging in these resonant tunneling light-emitting diodes are studied at frequencies up to 35 GHz. The experiments show capacitance peaks due to electron charge disappearing from the quantum well. The measurements are found to be in agreement with our theoretical model for the calculation of the high-frequency characteristics of resonant tunneling devices. The high-frequency characteristics of the bipolar light-emitting resonant tunneling diode are compared to the unipolar resonant tunneling diode and the resonant interband tunneling diode. The comparison shows a similar discharging characteristic of the quantum well, but a different overall variation of the capacitance.
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9.
  • Svedin, Jan, et al. (författare)
  • An experimental 210 GHz radar system for 3D stand-off detection
  • 2010
  • Ingår i: 35th International Conference on Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010. - 978-1-4244-6655-9
  • Konferensbidrag (refereegranskat)abstract
    • A 210 GHz radar system for studies of person scanning at stand-off distances is presented. The radar uses a mechanically scanned RX front-end based on an antennaintegrated MMIC. The TX part is based on an HBV quintupler. Image data formation is made using the FMCW and SAR principles.
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10.
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Författare/redaktör
Stake, Jan, 1971-, (188)
Vukusic, Josip, 1972 ... (78)
Bryllert, Tomas, 197 ... (51)
Kollberg, Erik L., 1 ... (34)
Sobis, Peter, 1978-, (34)
Dillner, Lars, 1968- ... (33)
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Ingvarson, Mattias, ... (28)
Olsen, Arne Øistein, ... (27)
Drakinskiy, Vladimir ... (22)
Tang, Aik Yean, 1980 ... (20)
Cherednichenko, Serg ... (19)
Habibpour, Omid, 197 ... (15)
Emadi, T. Arezoo, 19 ... (15)
Zhao, Huan, 1982-, (14)
Sadeghi, Mahdad, 196 ... (13)
Banik, Biddut, 1978- ... (13)
Emrich, Anders, 1962 ... (12)
Hollung, Stein, 1970 ... (11)
Zirath, Herbert, 195 ... (8)
Alderman, Byron (8)
Malko, Aleksandra, 1 ... (8)
Persson, Mikael, 195 ... (7)
Bevilacqua, Stella, ... (7)
Dahlbäck, Robin, 198 ... (7)
Sunnerud, Henrik, 19 ... (6)
Mann, Chris (6)
Yhland, Klas, 1964- (6)
Andersson, Michael, ... (5)
Fhager, Andreas, 197 ... (5)
Rubaek, Tonny, 1979- ... (5)
Jones, Stephen H. (5)
Stenarson, Jörgen, 1 ... (5)
Wadefalk, Niklas, 19 ... (4)
Mann, Chris M. (4)
Andrekson, Peter, 19 ... (4)
Hjelmgren, Hans, 196 ... (4)
Wiberg, Andreas, 197 ... (4)
Hammar, Arvid, 1986- ... (4)
Strupinski, Wlodek (4)
Fu, Ying, 1964-, (4)
Hanning, Johanna, 19 ... (4)
Emrich, Anders (4)
Rudner, Staffan, 195 ... (4)
Gunnarsson, Sten E., ... (3)
Willander, Magnus, 1 ... (3)
Sanz-Velasco, Anke, ... (3)
Svedin, Jan (3)
Liljedahl, Johanna, ... (3)
Thordarsson, Gunnar (3)
Tavakoli Dastjerdi, ... (3)
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