The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2012
Filed:
Mar. 30, 2009
Applicants:
Robert Aigner, Ocoee, FL (US);
Gernot G. Fattinger, Ocoee, FL (US);
Mikhail S. Shirokov, Methuen, MA (US);
Jun C. Jadormio, Lowell, MA (US);
Inventors:
Robert Aigner, Ocoee, FL (US);
Gernot G. Fattinger, Ocoee, FL (US);
Mikhail S. Shirokov, Methuen, MA (US);
Jun C. Jadormio, Lowell, MA (US);
Assignee:
Triquint Semiconductor, Inc., Hillsboro, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/205 (2006.01); H03H 9/54 (2006.01); H03H 9/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
An RF system includes a power amplifier with output impedance and a BAW filter with an input impedance and output impedance. A matching network includes an inductance connecting the power amplifier to the BAW filter and an impedance transformation ratio of at least 1:10 is provided at the output impedance of the power amplifier to the output impedance of the BAW filter.