Search Results - "de Vaate, J.G. Bij"

A broadband indirect-feedback power-to-current LNA by Li Xiaolong, Serdijn, W.A., Woestenburg, B.E.M., bij de Vaate, J.G.

“…A dual-loop resistive-feedback power-to-current amplifier circuit to be implemented in SiGe or GaAs IC technology is presented. Simulation results indicate…”
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Achieving Wideband sub-1dB Noise Figure and High Gain with MOSFETs if Input Power Matching is not Required by Klumperink, E.A.M., Qiaohui Zhang, Wienk, G.J.M., Witvers, R., Bij de Vaate, J.G., Woestenburg, B., Nauta, B.

“…A 0.18 μm CMOS Low Noise Amplifier (LNA) achieves sub-1dB Noise Figure over more than an octave of bandwidth without external noise matching components. It is…”
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Exploring the Next Generation of Array Receivers and Signal Processing Systems for Radio Astronomy by Hampson, GA, Bij de Vaate, JG, Bunton, JD, Brown, A, Schoonderbeek, G, Tuthill, J, Beresford, R

“…Arrays for radio astronomy are challenging to build and operate due to their sheer size and data volume, but also due to the high expectations on signal…”
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SKA low frequency aperture array by de Lera Acedo, E., Faulkner, A.J., Bij de Vaate, J.G.

“…The Square Kilometre Array, SKA is the next generation low frequency radio telescope and is described on its website [1]. The work performed in the European…”
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The SKA1Low Telescope: The Station Design and Prototyping by de Vaate, J.G. Bij, Hall, P., Juswardy, B., Kenney, D., Schlageuhaufer, F., Sokolowski, M., Sutinjo, A., Ung, D., Wayth, R., Williams, A., Alderighi, M., Bast, J., Bolli, P., Comoretto, G., Mattana, A., Monari, J., Naldi, G., Perini, F., Pupillo, G., Rusticelli, S., Schiaffino, M., Schilliro, F., Benthem, P., Aminei, A., Chiello, R., Jones, M., Baker, J., Bennett, R., Halsall, R., Kaligeridou, G., Roberts, M., Schnetler, H., Abraham, J., Gerbers, M., De Lera Acedo, E., Faulkner, A.J., Razavi-Ghods, N., Cutajar, D., DeMarco, A., Magro, A., Adami, K. Zarb, Wijnholds, S.J., Booler, T., Colgate, T., Crosse, B., Emrich, D.

“…The Square Kilometre Array (SKA) [1] telescope consists in its first phase of two arrays, a dish array to be constructed in South Africa and a low frequency…”
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Broadband differentially fed tapered slot antenna array for radio astronomy applications by Arts, M., Maaskant, R., de Lera Acedo, E., bij de Vaate, J.G.

“…This paper describes the preliminary design results of a differentially fed tapered slot antenna. Traditional unbalanced tapered slot antennas often employ a…”
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The Phased Array Approach to SKA, Results of a Demonstrator Project by de Vaate, J.G. Bij, Kant, D.

“…A phased-array demonstrator known as the Thousand Element Array (THEA) is currently under construction of which the first results are presented in this paper…”
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Initial calibration and beamforming results from the thousand element phased-array by Hampson, G.A., bij de Vaate, J.G.

“…The next generation of radio telescopes for astronomy are planned to have a receiving area of a square kilometer, known as a Square Kilometer Array (SKA). The…”
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Ramping up to the square kilometre array: a 1000m/sup 2/ aperture array prototype by Bij de Vaate, J.G., Patel, P.D., van Ardenne, A.

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Beamformer system model of focal plane arrays in deep dish radio telescopes by Simons, J., Ivashina, M., bij de Vaate, J.G., Roddis, N.

“…This article describes the design of a radio telescope front-end system with a focal plane array (FPA) and an RF beamforming section. The multi-beam capability…”
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Design of a Focal Plane Array system at cryogenic temperatures by Simons, J., Bij de Vaate, J.G., Ivashina, M.V., Zuliani, M., Natale, V., Roddis, N.

“…This paper describes the system design and realization of a cryogenically cooled Focal Plane Array (FPA) for radio astronomy application. The system will…”
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Beamformer system model of focal plane arrays in deep dish radio telescopes by Simons, J., Ivashina, M., bij de Vaate, J.G., Roddis, N.

“…This article describes the design of a radio telescope front-end system with a focal plane array (FPA) and an RF beamforming section. The multi-beam capability…”
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The square kilometer array (SKA) antenna by Schaubert, D.H., Boryssenko, A.O., van Ardenne, A., Bij de Vaate, J.G., Craeye, C.

“…One of the major approaches to satisfying future goals for radio astronomy is a wide bandwidth receiving array that forms a radio telescope with one square…”
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Verification of THEA Tile Calibration and Beamforming Results using a Near Field Scanner by Hampson, G. A., de Vaate, J.G. bij

“…ASTRON is in the process of realizing phased array technology for the Square Kilometer Array (SKA). A demonstrator known as the THousand Element Array (THEA)…”
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Integrated Active Antenna Noise Figure Characterization Using a Cryogenic Anechoic Noise Source by de Vaate, J.G. Bij, Geskus, D., Witvers, R.H.

“…For the phased array concept of the next generation radio telescopes, the Square Kilometre Array (SKA), a large number of broadband, low noise amplifiers are…”
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DC to 11GHz Fully Integrated GaAs Up Conversion Mixer by Witvers, R.H., de Vaate, J.G. Bij

“…This paper describes the design and realization of a wide band single balanced fully integrated up-conversion mixer. The mixer has a RF bandwidth from 1 to…”
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Decade Wide Bandwidth Integrated Very Low Noise Amplifier by de Vaate, J.G. Bij, Woestenburg, E.E.M., Witvers, R.H., Pantaleoni, R.

“…This paper describes the design, realization and characterization of an integrated Low Noise Amplifier (LNA) with a bandwidth from 0.4 to 8 GHz. A very good…”
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Experimental results for a focal plane array, synthesized with conjugate field method by Ivashina, M.V., Bregman, J.D., bij de Vaate, J.G., Li Li, Parfitt, A.J.

“…The study analyses the performance of a focal plane array in combination with reflector systems of small F/D parameter (F/D<0.5). The geometries of two radio…”
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Two dimensional 256 element phased array system for radio astronomy by Bij de Vaate, J.G., Wijnholds, S.J., Bregman, J.D.

“…The first part of a phased-array demonstrator known as the thousand element array (THEA) has been constructed, of which first system results are presented in…”
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