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:
Sep. 03, 2013
Filed:
May. 15, 2010
Jan Sophia Vromans, Maastricht, NL;
Mark Pieter Van Der Heijden, 's-Hertogenbosch, NL;
Mustafa Acar, Eindhoven, NL;
Jan Sophia Vromans, Maastricht, NL;
Mark Pieter van der Heijden, 's-Hertogenbosch, NL;
Mustafa Acar, Eindhoven, NL;
NXP B.V., Eindhoven, NL;
Abstract
A transmitter () comprises a first Chireix compensation circuit () and a second Chireix compensation circuit (), wherein each Chireix compensation circuit has two inputs and two outputs. Two constant envelope input signals () to be amplified are guided by a switch () to either the first or second Chireix amplifier unit. The selection as such depends on the phase () of the input signals to be amplified. The outputs of the two Chireix compensation circuits are cross-coupled to an inductive load (). A Chireix inductor () and a Chireix capacitor (), each having one terminal grounded, are also connected to the inductive load (). By switching the signals to be amplified in response to their phase, optimum matching is ensured.