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dc.contributor.authorKrüger, Paulus
dc.contributor.authorVisser, Barend
dc.contributor.authorPrinsloo, David
dc.identifier.citationKrüger, P. et al. 2017. Fully integrated LNA & antenna for ultra-low noise figure receivers. 47th European Microwave Conference (EuMC), 10-12 Oct, Nuremberg, Germany. []en_US
dc.identifier.isbn978-2-87487-047-7 (Online)
dc.description.abstractA simple, inexpensive, fully integrated low-noise amplifier and antenna for the Square Kilometer Array (SKA) Mid-Frequency Aperture Array (MFAA) is presented which achieves a receiver noise figure of about 0.4 dB over more than an octave bandwidth. A novel design technique was used which makes it easy to match the antenna directly to the first amplification transistors, without using an impedance matching circuit, thereby achieving a noise figure close to the minimum noise figure of the transistors used. The receiver also demonstrates how a single-ended amplifier with a floating ground can be used for a differential, planar antenna, by using a balun on the output of the amplifier. These receivers can be used stand-alone in a sparce, irregular array or closely packed in a dense, regular array or in a mixed system, making it possible to investigate various array configurations for the SKA MFAAen_US
dc.subjectReceiving antennasen_US
dc.titleFully integrated LNA & antenna for ultra-low noise figure receiversen_US
dc.contributor.researchID11749903 - Krüger, Petrus Paulus
dc.contributor.researchID10063811 - Visser, Barend

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