Mixed technology mems/sige bicmos digitizing analog front...

Details Mixed technology mems/sige bicmos digitizing analog front... Mixed technology mems/sige bicmos digitizing analog front...

H - Electricity

04

B

H04B 1/10 (2006.01) H01H 59/00 (2006.01) H01H 1/00 (2006.01)

Patent

CA 2500533

A digitizing analog front end (DAFE) (50) using mixed technology on a single substrate is described. SiGe BiCMOS technology is implemented for the semiconductor components, which include a low noise amplifier (64) and an analog-to-digital converter (68). Micro Electro Mechanical System (MEMS) switches are used to change the filtering characteristics of several filters, including an anti-aliasing filter (66) and a pre-select and anti-jamming filter (62).

La présente invention concerne un frontal analogique de numérisation (DAFE) (50) utilisant une technologie mixte sur un seul substrat. Le technologie BICMOS SIGe est mise en oeuvre pour les composants à semiconducteur, qui comprennent un amplificateur (64) à faible bruit et un convertisseur analogique-numérique (68). On utilise des commutateurs de microsystème électromécanique (MEMS) pour modifier les caractéristiques de filtrage de plusieurs filtres, notamment un filtre anti-repliement du spectre (66) et un filtre de présélection et antibrouillage (62).

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