... Astrophysics Group . ... Surveys and Catalogues . ... The main 7C survey at 151 MHz with resolution 70У?70Тљcosec(declination)Тљarcsec 2 (EWУ?NS) covers a large part of the northern hemisphere above declination 30ТА, excluding the Galactic plane.There is now a final unified non-redundant catalogue for this main survey in ASCII format together with a CDS-style ReadMe file, both available by ftp from MRAO. ... Regions surveyed at resolution 70У?70 cosec(dec) arsec 2 , ftp accesses standardised data: ....
... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...
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Ссылки http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf -- 1772.7 Кб -- 06.12.2010 Похожие документы