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. 08, 2004
Filed:
Oct. 30, 2002
Applicant:
Inventors:
Shuyun Zhang, Brookline, MA (US);
Robert Jeffery McMorrow, Concord, MA (US);
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/10 ;
U.S. Cl.
CPC ...
H03G 3/10 ;
Abstract
A power controller circuit for a power amplifier stage includes an exponential power control circuit responsive to a power control signal for providing an exponential control current to control power amplifier stage and linear power control circuit responsive to the power control signal for supplementing the exponential control current to the power amplifier stage with a linear control current to produce a composite control current with a reduced and extended slope.