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:
May. 22, 2018
Filed:
Jun. 21, 2016
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Joonhoi Hur, San Diego, CA (US);
Paul Draxler, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 1/30 (2006.01); H03F 1/32 (2006.01); H03F 3/193 (2006.01); H03F 3/21 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0233 (2013.01); H03F 1/0288 (2013.01); H03F 1/301 (2013.01); H03F 1/3247 (2013.01); H03F 3/193 (2013.01); H03F 3/21 (2013.01); H03F 2200/105 (2013.01); H03F 2200/18 (2013.01); H03F 2200/451 (2013.01); H03F 2201/3233 (2013.01);
Abstract
A circuit including a power amplifier having a control terminal configured to control an output level of the power amplifier, a bias circuit in communication with the control terminal, the bias circuit including a tunable plurality of diodes in series configured to supply a bias voltage to the control terminal, and a control circuit in communication with the bias circuit configured to tune the plurality of diodes in series to create the bias voltage in response to a supply voltage of the amplifier.