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:
Oct. 11, 2011
Filed:
Apr. 12, 2006
Pieter G. Blanken, Nuenen, NL;
Pieter G. Blanken, Nuenen, NL;
NXP B.V., Eindhoven, NL;
Abstract
A power supply system comprises a parallel arrangement of a linear amplifier (LA) and a DC-DC converter (CO). An output of the linear amplifier (LA) is directly coupled to a load (LO) for supplying a first current (II) to the load (LO). The DC-DC converter (CO) has a converter output coupled to the load (LO) for supplying a second current () to the load (LO). The linear amplifier (LA) comprises a first amplifier stage (OS) to supply the first current (II), and the second amplifier stage (OS) to generate a third current () being proportional to the first current (II). The first amplifier stage (OS) and the second amplifier stage (OS) have matched components. The DC-DC converter (CO) further comprises a controller (CON) having a control input for receiving a voltage generated by the third current () to control the second current () for minimizing a DC-component of the first current (II).