... Astrophysics Group . General Interest . ... MRAO Telescopes . ... Galaxies and Quasars . ... Radio astronomy is the study of celestial objects by means of the natural radio waves they emit. ... In 1957, through the generosity of Mullard Ltd. and with support from the Science Research Council, the Mullard Radio Astronomy Observatory (MRAO) was built 5 miles south-west of Cambridge, at Lord?s Bridge. ... 2013, Astrophysics Group, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE . ...

... 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). ...