EP2545644A4 - A decomposition transmitting system and method for improving efficiency and linearity - Google Patents
A decomposition transmitting system and method for improving efficiency and linearityInfo
- Publication number
- EP2545644A4 EP2545644A4 EP10847574.0A EP10847574A EP2545644A4 EP 2545644 A4 EP2545644 A4 EP 2545644A4 EP 10847574 A EP10847574 A EP 10847574A EP 2545644 A4 EP2545644 A4 EP 2545644A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- linearity
- transmitting system
- improving efficiency
- decomposition
- decomposition transmitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000354 decomposition reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for compensating memory effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3224—Predistortion being done for compensating memory effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2010/050279 WO2011112129A1 (en) | 2010-03-12 | 2010-03-12 | A decomposition transmitting system and method for improving efficiency and linearity |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2545644A1 EP2545644A1 (en) | 2013-01-16 |
EP2545644A4 true EP2545644A4 (en) | 2013-09-18 |
Family
ID=44563719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10847574.0A Withdrawn EP2545644A4 (en) | 2010-03-12 | 2010-03-12 | A decomposition transmitting system and method for improving efficiency and linearity |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2545644A4 (en) |
CN (1) | CN102906996A (en) |
RU (1) | RU2012142252A (en) |
WO (1) | WO2011112129A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013086658A1 (en) | 2011-12-15 | 2013-06-20 | Telefonaktiebolaget L M Ericsson (Publ) | Doherty power amplification apparatus and method |
US8952754B2 (en) * | 2013-03-15 | 2015-02-10 | Imagine Communications Corp. | Linearization of heterogeneous power amplifier systems |
EP2882097A1 (en) * | 2013-12-09 | 2015-06-10 | Alcatel Lucent | Method for optimizing operation of a doherty amplifier and doherty amplifier |
DE102019000324A1 (en) * | 2019-01-20 | 2020-07-23 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Transmitting and receiving device with a broadband RF power amplifier, in particular N-way Doherty amplifier with active load modulation |
US11218118B2 (en) | 2020-03-30 | 2022-01-04 | Analog Devices International Unlimited Company | Linearity optimizer for a millimeter-wave beamforming system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6472934B1 (en) * | 2000-12-29 | 2002-10-29 | Ericsson Inc. | Triple class E Doherty amplifier topology for high efficiency signal transmitters |
US20060001485A1 (en) * | 2004-07-02 | 2006-01-05 | Icefyre Semiconductor Corporation | Power amplifier |
US20080111622A1 (en) * | 2006-11-14 | 2008-05-15 | Roland Sperlich | Hybrid Doherty Amplifier System and Method |
US20080238544A1 (en) * | 2007-03-30 | 2008-10-02 | Nortel Networks Limited | Amplifier pre-distortion systems and methods |
US7619468B1 (en) * | 2008-09-30 | 2009-11-17 | Nortel Networks Limited | Doherty amplifier with drain bias supply modulation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05191178A (en) * | 1992-01-16 | 1993-07-30 | Japan Radio Co Ltd | Power amplifier |
WO2005124994A1 (en) * | 2004-06-18 | 2005-12-29 | Mitsubishi Denki Kabushiki Kaisha | High-efficiency amplifier |
-
2010
- 2010-03-12 EP EP10847574.0A patent/EP2545644A4/en not_active Withdrawn
- 2010-03-12 CN CN2010800653807A patent/CN102906996A/en active Pending
- 2010-03-12 RU RU2012142252/08A patent/RU2012142252A/en unknown
- 2010-03-12 WO PCT/SE2010/050279 patent/WO2011112129A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6472934B1 (en) * | 2000-12-29 | 2002-10-29 | Ericsson Inc. | Triple class E Doherty amplifier topology for high efficiency signal transmitters |
US20060001485A1 (en) * | 2004-07-02 | 2006-01-05 | Icefyre Semiconductor Corporation | Power amplifier |
US20080111622A1 (en) * | 2006-11-14 | 2008-05-15 | Roland Sperlich | Hybrid Doherty Amplifier System and Method |
US20080238544A1 (en) * | 2007-03-30 | 2008-10-02 | Nortel Networks Limited | Amplifier pre-distortion systems and methods |
US7619468B1 (en) * | 2008-09-30 | 2009-11-17 | Nortel Networks Limited | Doherty amplifier with drain bias supply modulation |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011112129A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2012142252A (en) | 2014-04-20 |
CN102906996A (en) | 2013-01-30 |
EP2545644A1 (en) | 2013-01-16 |
WO2011112129A1 (en) | 2011-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20121005 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20130821 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H03F 1/32 20060101ALI20130815BHEP Ipc: H03F 1/02 20060101AFI20130815BHEP Ipc: H03F 3/189 20060101ALI20130815BHEP Ipc: H03F 1/30 20060101ALI20130815BHEP Ipc: H03F 3/24 20060101ALI20130815BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20140318 |