Patent · US Active

Integrated electronic circuitry comprising tunable resonator

US7683742B2 · kind B2 · utility

4Cited by

11References

27Claims

0Family size

Assignee

STMicroelectronics SA

Inventors

Andreia Cathelin · Laval, FR
Stephane Razafimandimby · Grenoble, FR
Cyrille Tilhac · Tulle, FR

Key dates

Filing date	Aug 16, 2007
Grant date	Mar 23, 2010
Priority date	—
Expiry date	Mar 12, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH03H9/25
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

An electronic circuit includes: an acoustic resonator of BAW or SAW type, said resonator having a series resonance frequency and a parallel resonance frequency; an active circuit which is coupled in parallel to said acoustic resonator, said active circuit having a negative capacity acting on the parallel resonance frequency of said resonator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.