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:
Feb. 23, 2016
Filed:
Feb. 21, 2014
Applicant:
Nujira Limited, Cambourne, Cambridge, GB;
Inventors:
Robert Henshaw, Cambourne, GB;
Gerard Wimpenny, Cambridge, GB;
Assignee:
SNAPTRACK, INC., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 3/189 (2006.01);
U.S. Cl.
CPC ...
H03F 1/02 (2013.01); H03F 1/0227 (2013.01); H03F 1/0277 (2013.01); H03F 3/189 (2013.01);
Abstract
There is disclosed a multi-stage amplifier comprising: a first amplifier stage; a second amplifier stage; a first voltage supply stage arranged to provide a supply voltage to the first amplifier in dependence on an average power of a signal to be amplified; and a second voltage supply stage arranged to provide a supply voltage to the second amplifier in dependence on an instantaneous power of a signal to be amplified.