Title:
APPARATUS AND METHOD FOR IMPROVING EFFICIENCY OF POWER AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2018/137244
Kind Code:
A1
Abstract:
A method and device for improving the efficiency of a power amplifier(104). An apparatus(100) comprising: a harmonic generator(101), configured to generate one or more harmonic according to an output signal of the power amplifier(104); a harmonic feedback device(102), configured to inject the harmonic generated by the harmonic generator(101) to an input terminal of the power amplifier(104); and a harmonic eliminator(103), configured to eliminate the harmonic in the output signal of the power amplifier(104). The efficiency of power amplifier(104) can be improved without degrading the linearity.
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Inventors:
WANG ZHANCANG (CN)
Application Number:
PCT/CN2017/072752
Publication Date:
August 02, 2018
Filing Date:
January 26, 2017
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
WANG ZHANCANG (CN)
WANG ZHANCANG (CN)
International Classes:
H03F1/32
Foreign References:
| US6433632B1 | 2002-08-13 | |||
| CN1675826A | 2005-09-28 | |||
| CN205545164U | 2016-08-31 | |||
| CN104660176A | 2015-05-27 | |||
| CN102801392A | 2012-11-28 | |||
| EP2983291A1 | 2016-02-10 | |||
| US20060001487A1 | 2006-01-05 |
Other References:
See also references of EP 3574581A4
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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