Title :
Low current GaAs MMIC family with a miniaturized band-stop filter for Ku-band broadcast satellite applications
Author :
Yoshimasu, T. ; Sakuno, K. ; Matsumoto, N. ; Suematsu, E. ; Tsukao, T. ; Tomita, T.
Author_Institution :
Sharp Corp., Nara, Japan
Abstract :
A low-current GaAs MMIC (monolithic microwave integrated circuit) family has been designed, fabricated, and tested for broadcast satellite receivers operating in the 11.7 to 12.2 GHz range. There are three kinds of MMICs: a low noise amplifier, a filter-type image rejection mixer, and an intermediate frequency amplifier. The total current dissipation of the three MMICs is only 35 mA. A single chip image rejection downconverter, in which the three circuits are integrated, has been successfully fabricated. The downconverter has no external hybrids and exhibits a noise figure of 3.5 dB, a conversion gain of 37 dB, and an image rejection of 40 dB.<>
Keywords :
III-V semiconductors; MMIC; direct broadcasting by satellite; frequency convertors; gallium arsenide; intermediate-frequency amplifiers; microwave amplifiers; mixers (circuits); television receivers; 11.7 to 12.2 GHz; 3.5 dB; 35 mA; 37 dB; GaAs; Ku-band broadcast satellite applications; broadcast satellite receivers; conversion gain; filter-type image rejection mixer; intermediate frequency amplifier; low current MMIC family; low noise amplifier; miniaturized band-stop filter; noise figure; single chip image rejection downconverter; total current dissipation; Circuit testing; Gallium arsenide; Integrated circuit noise; Integrated circuit testing; Low-noise amplifiers; MMICs; Microwave filters; Microwave integrated circuits; Monolithic integrated circuits; Satellite broadcasting;
Conference_Titel :
Gallium Arsenide Integrated Circuit (GaAs IC) Symposium, 1991. Technical Digest 1991., 13th Annual
Conference_Location :
Monterey, CA, USA
Print_ISBN :
0-7803-0196-X
DOI :
10.1109/GAAS.1991.172656
