Title:
AMPLIFIER ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2013/189793
Kind Code:
A3
Abstract:
The invention relates to an amplifier assembly. The assembly comprises an input device for receiving a representation of an input signal (I, Q; A, phi), a signal-component separator, wherein the signal-component separator produces a first complex intermediate output signal (S1) and a second complex intermediate output signal (S2), wherein the signal-component separator produces the first complex intermediate output signal (S1) and the second complex intermediate output signal (S2) on the basis of the representation of the input signal (I, Q; A, phi), wherein the signal-component separator provides a plurality of amplitude levels, wherein the plurality of amplitude levels is selected in such a way that a sum of the first complex intermediate output signal (S1) and the second complex intermediate output signal (S2) is substantially a reflection of a complex input signal in accordance with the representation of the input signal (I, Q; A, phi) and the phase angle between the first complex intermediate output signal (S1) and the second complex intermediate output signal (S2) is small. Furthermore, the assembly comprises an amplifying device for amplifying the signals in the high-frequency state and a combining device for combining the signals.
Inventors:
NEGRA RENATO (DE)
AREF AHMED (DE)
AREF AHMED (DE)
Application Number:
PCT/EP2013/062105
Publication Date:
February 20, 2014
Filing Date:
June 12, 2013
Export Citation:
Assignee:
RWTH AACHEN (DE)
International Classes:
H03F1/02
Domestic Patent References:
| WO2011097387A1 | 2011-08-11 |
Other References:
JUNQING GUAN ET AL: "System-level performance study of a multistandard outphasing transmitter using optimised multilevels", MICROWAVE SYMPOSIUM DIGEST (MTT), 2011 IEEE MTT-S INTERNATIONAL, IEEE, 5 June 2011 (2011-06-05), pages 1 - 4, XP032006834, ISBN: 978-1-61284-754-2, DOI: 10.1109/MWSYM.2011.5972887
KAI-YUAN JHENG ET AL: "Multilevel Linc System Design for Power Efficiency Enhancement", SIGNAL PROCESSING SYSTEMS, 2007 IEEE WORKSHOP ON, IEEE, PI, 17 October 2007 (2007-10-17), pages 31 - 34, XP031572975, ISBN: 978-1-4244-1221-1
KAI-YUAN JHENG ET AL: "Multilevel Linc System Design for Power Efficiency Enhancement", SIGNAL PROCESSING SYSTEMS, 2007 IEEE WORKSHOP ON, IEEE, PI, 17 October 2007 (2007-10-17), pages 31 - 34, XP031572975, ISBN: 978-1-4244-1221-1
Attorney, Agent or Firm:
SCHMELCHER, Thilo (Jülich, DE)
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