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:
Mar. 07, 2006
Filed:
Jun. 10, 2003
LI Liu, Littleton, MA (US);
Christopher C. Souchuns, Ashland, MA (US);
Ping LI, Dunstable, MA (US);
Gregory N. Henderson, Sudbury, MA (US);
Li Liu, Littleton, MA (US);
Christopher C. Souchuns, Ashland, MA (US);
Ping Li, Dunstable, MA (US);
Gregory N. Henderson, Sudbury, MA (US);
TriQuint Semiconductor, Inc., Hillsboro, OR (US);
Abstract
A multi-stage amplifier is coupled with a power detector. The multi-stage amplifier includes a plurality of amplifier stages in series, with a signal path extending through them. The power detector is coupled to an interior node of the amplifier along the signal path, and is operable to sample a first signal being transmitted on the signal path. The power detector outputs a second signal reflective of a power of the first signal. In one embodiment, the interior node is in a matching network of the amplifier disposed between a first amplifier stage and a final amplifier stage of the amplifier. The second signal may be used in a feedback network to adjust an amount of amplification of the first signal by the amplifier.