Title :
Development of electronically tuned local oscillators for ALMA
Author :
Bryerton, E. ; Saini, K. ; Morgan, M. ; Stogoski, M. ; Boyd, T. ; Thacker, D.
Author_Institution :
Nat. Radio Astron. Obs., Charlottesville, VA, USA
Abstract :
We report on the local oscillator (LO) development for the ALMA 64-antenna sub-millimeter wave telescope array. Measurements of output power and AM noise are presented for four wideband electronically-tuned MMIC-based LOs up to 710 GHz.
Keywords :
MMIC oscillators; amplitude modulation; submillimetre wave antennas; submillimetre wave oscillators; telescopes; ALMA 64-antenna telescope array; AM noise measurement; MMIC-based local oscillator; electronically tuned local oscillators; output power measurement; sub-millimeter wave telescope array; Driver circuits; Frequency; Isolators; Local oscillators; MMICs; Noise measurement; Phased arrays; Power amplifiers; Power generation; Telescopes;
Conference_Titel :
Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005. The Joint 30th International Conference on
Print_ISBN :
0-7803-9348-1
DOI :
10.1109/ICIMW.2005.1572412
