Title :
Noise characterization of ultra low noise differential amplifiers for next generation radiotelescopes
Author :
Morawietz, J. ; Witvers, R.H. ; de Vaate, J. G. Bij ; Woestenburg, E.E.M.
Author_Institution :
ASTRON, Dwingeloo
Abstract :
This paper describes the design of two ultra low noise amplifiers in a differential configuration for radioastronomy applications and the characterization of the noise performance with hot/cold-methods.
Keywords :
differential amplifiers; low noise amplifiers; radioastronomy; radiotelescopes; hot/cold-methods; noise characterization; radioastronomy; radiotelescope; ultra low noise differential amplifier; Antenna measurements; Circuit noise; Circuit simulation; Differential amplifiers; Low-noise amplifiers; Microstrip antenna arrays; Noise figure; Noise generators; Noise measurement; Phased arrays;
Conference_Titel :
Radar Conference, 2007. EuRAD 2007. European
Conference_Location :
Munich
Print_ISBN :
978-2-87487-004-0
DOI :
10.1109/EURAD.2007.4404994
