JP2007243927A - 可変パワー適応送信機 - Google Patents
可変パワー適応送信機 Download PDFInfo
- Publication number
- JP2007243927A JP2007243927A JP2007016577A JP2007016577A JP2007243927A JP 2007243927 A JP2007243927 A JP 2007243927A JP 2007016577 A JP2007016577 A JP 2007016577A JP 2007016577 A JP2007016577 A JP 2007016577A JP 2007243927 A JP2007243927 A JP 2007243927A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- envelope
- analog
- digital
- circuit
- 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.)
- Granted
Links
Images
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
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
-
- 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
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0244—Stepped control
- H03F1/025—Stepped control by using a signal derived from the input signal
-
- 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
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
- H03F1/0266—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
Abstract
【解決手段】回路は、デジタル伝送信号を受信し、遅延伝送信号を生成する遅延モジュール154を備える。第1のデジタルアナログ変換機158は、その遅延伝送信号をアナログ伝送信号に変換する。増幅器162はそのアナログ伝送信号を増幅する。包絡線モジュール170は、デジタル伝送信号の振幅情報に基づいて包絡線信号を生成する。供給調整モジュール174は、包絡線信号が閾値より小さい場合に基準供給電圧を供給し、包絡線信号が閾値よりも大きい場合にアナログ出力回路のバイアス電圧を基準供給電圧よりも大きな値まで高める。
【選択図】図6A
Description
Claims (20)
- デジタル伝送信号を受信し、遅延伝送信号を生成する遅延モジュールと、
前記遅延伝送信号をアナログ伝送信号に変換する第1のデジタルアナログ変換機と、
前記アナログ伝送信号を受信するアナログ出力回路と、
前記デジタル伝送信号に関する振幅情報に基づいて、包絡線信号を生成する包絡線生成モジュールと、
前記包絡線信号が閾値より小さい場合に基準供給電圧を供給し、前記包絡線信号が前記閾値よりも大きい場合に前記アナログ出力回路のバイアス電圧を前記基準供給電圧よりも大きな値まで高める供給調整モジュールと、
を備える回路。 - 前記包絡線信号をアナログ包絡線信号に変換する第2のデジタルアナログ変換機を更に備え、前記第1のデジタルアナログ変換機は、前記第2のデジタルアナログ変換機よりも高い変換率を有する請求項1記載の回路。
- 前記包絡線信号を受信して第3の信号を生成すると共に、前記第3の信号に基づいて前記アナログ出力回路のためのバイアス電流を選択的に高める第3のデジタルアナログ変換機を更に備える請求項2記載の回路。
- 前記包絡線信号が前記閾値よりも高い場合に、前記バイアス電流が増加する請求項3記載の回路。
- 請求項1記載の回路を備える有線ネットワークインターフェース。
- 請求項1記載の回路を備える無線ネットワークインターフェース。
- IEEEセクション802.11、802.11a、802.11b、802.11g、802.11h、802.11n、802.16、及び802.20の少なくとも1つに対応する請求項6記載の無線ネットワークインターフェース。
- 前記包絡線生成モジュールは、デジタル伝送信号を受信すると共に、前記デジタル伝送信号に基づいて前記包絡線信号を生成する請求項1記載の回路。
- 前記包絡線信号の立ち上がり時間は、前記アナログ伝送信号の最速の立ち上がり時間よりも遅い請求項1記載の回路。
- 前記閾値は、前記回路の基準供給電圧レベルと実質的に等しい請求項1記載の回路。
- デジタル伝送信号を受信し、遅延伝送信号を生成する遅延モジュールと、
前記遅延伝送信号をアナログ伝送信号に変換する第1のデジタルアナログ変換機と、
前記アナログ伝送信号を受信するアナログ出力回路と、
前記デジタル伝送信号に関する振幅情報に基づいて、包絡線信号を生成する包絡線生成モジュールと、
前記デジタル伝送信号の振幅情報を含む信号をサンプルすると共に、前記アナログ出力回路に供給される基準電圧を、前記アナログ伝送信号の対応する部分を前記アナログ出力回路が受信する前に、サンプルされた前記信号と閾値との差異に基づいて選択的に高める供給ブーストモジュールと、
を備える回路。 - 前記供給ブーストモジュールは、
包絡線信号を生成する包絡線生成モジュールと、
前記包絡線信号をアナログ包絡線信号に変換する第2のデジタルアナログ変換機と、
前記包絡線信号が閾値より小さい場合に基準供給電圧を供給し、前記包絡線信号が前記閾値よりも大きい場合に前記アナログ出力回路のバイアス電圧を前記基準供給電圧よりも大きな値まで高める供給調整モジュールと、
を備える請求項11記載の回路。 - 前記第1のデジタルアナログ変換機は、前記第2のデジタルアナログ変換機よりも高い変換率を有する請求項12記載の回路。
- 前記包絡線信号を受信して、前記アナログ出力回路のためのバイアス電流を生成する第3のデジタルアナログ変換機を更に備える請求項12記載の回路。
- 前記包絡線信号が前記閾値よりも高い場合に、前記バイアス電流が増加する請求項14記載の回路。
- 請求項12記載の回路を備える有線ネットワークインターフェース。
- 請求項12記載の回路を備える無線ネットワークインターフェース。
- IEEEセクション802.11、802.11a、802.11b、802.11g、802.11h、802.11n、802.16、及び802.20の少なくとも1つに対応する請求項17記載の無線ネットワークインターフェース。
- 前記包絡線生成モジュールは、デジタル伝送信号を受信すると共に、前記デジタル伝送信号に基づいて前記包絡線信号を生成する請求項12記載の回路。
- 前記包絡線信号の立ち上がり時間は、前記アナログ伝送信号の最速の立ち上がり時間よりも遅い請求項12記載の回路。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76304106P | 2006-01-27 | 2006-01-27 | |
US60/763041 | 2006-01-27 | ||
US77303306P | 2006-02-14 | 2006-02-14 | |
US60/773033 | 2006-02-14 | ||
US11/368,308 US7835710B2 (en) | 2006-01-27 | 2006-03-03 | Variable power adaptive transmitter |
US11/368308 | 2006-03-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007243927A true JP2007243927A (ja) | 2007-09-20 |
JP2007243927A5 JP2007243927A5 (ja) | 2011-06-23 |
JP4949049B2 JP4949049B2 (ja) | 2012-06-06 |
Family
ID=37890424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007016577A Expired - Fee Related JP4949049B2 (ja) | 2006-01-27 | 2007-01-26 | 可変パワー適応送信機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7835710B2 (ja) |
EP (1) | EP1814221B1 (ja) |
JP (1) | JP4949049B2 (ja) |
SG (1) | SG134278A1 (ja) |
TW (1) | TWI431989B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011083758A1 (ja) * | 2010-01-07 | 2011-07-14 | パナソニック株式会社 | 増幅装置 |
JP4811463B2 (ja) * | 2006-05-17 | 2011-11-09 | 日本電気株式会社 | 歪み制御装置及び方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0715254D0 (en) | 2007-08-03 | 2007-09-12 | Wolfson Ltd | Amplifier circuit |
JP5251698B2 (ja) * | 2009-04-20 | 2013-07-31 | 富士通株式会社 | 増幅回路、増幅方法及び電源電圧調整方法 |
US8629717B2 (en) * | 2009-07-03 | 2014-01-14 | Nec Corporation | Power consumption control circuit, amplifier circuit and power consumption control method |
CN103916729A (zh) * | 2012-12-31 | 2014-07-09 | 广州励丰文化科技股份有限公司 | 具有多数字信号处理器的有源音箱 |
CN103916780A (zh) * | 2012-12-31 | 2014-07-09 | 广州励丰文化科技股份有限公司 | 具有自动降噪功能的高保真有源一体化音箱 |
JP6494908B2 (ja) * | 2013-01-29 | 2019-04-03 | スナップトラック・インコーポレーテッド | 高周波増幅器 |
CA3129289C (en) | 2013-08-19 | 2024-01-02 | Zoran Maricevic | Fiber-optic node with forward data content driven power consumption |
US9768800B1 (en) * | 2016-09-13 | 2017-09-19 | Analog Devices, Inc. | Envelope dependent output stage scalability |
US10686407B2 (en) * | 2018-04-30 | 2020-06-16 | Samsung Electronics Co., Ltd. | Symbol power tracking amplification system and a wireless communication device including the same |
CN113411098B (zh) * | 2021-06-08 | 2022-04-22 | 深圳市美嘉光电科技有限公司 | 一种无线语音传输芯片组及其应用装置 |
US11917378B2 (en) | 2021-06-17 | 2024-02-27 | Maxim Integrated Products, Inc. | Systems and methods for controlling powerstage supply modulation via audio interface |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004048271A (ja) * | 2002-07-10 | 2004-02-12 | Yaskawa Electric Corp | 低損失電力増幅器 |
WO2005053151A1 (en) * | 2003-11-20 | 2005-06-09 | Northrop Grumman Corporation | Variable supply amplifier system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5420536A (en) | 1993-03-16 | 1995-05-30 | Victoria University Of Technology | Linearized power amplifier |
US6163706A (en) * | 1997-11-18 | 2000-12-19 | Conexant Systems, Inc. | Apparatus for and method of improving efficiency of transceivers in radio products |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
GB2370435A (en) * | 2000-12-22 | 2002-06-26 | Nokia Mobile Phones Ltd | A polar loop transmitter for a mobile phone |
US6982593B2 (en) | 2003-10-23 | 2006-01-03 | Northrop Grumman Corporation | Switching amplifier architecture |
US6714071B1 (en) | 2001-06-25 | 2004-03-30 | Nortel Networks Limited | Gate modulation for high power amplifiers |
US6784744B2 (en) * | 2001-09-27 | 2004-08-31 | Powerq Technologies, Inc. | Amplifier circuits and methods |
AU2002367231A1 (en) | 2001-12-24 | 2003-07-15 | Koninklijke Philips Electronics N.V. | Power amplifier |
FI116870B (fi) * | 2003-06-19 | 2006-03-15 | Nokia Corp | Järjestely energian säästämiseksi lähettimessä sekä radiolaite |
KR100996102B1 (ko) * | 2004-10-27 | 2010-11-22 | 삼성전자주식회사 | 고출력 증폭기의 바이어스 적응 바이어스 제어 장치 및 방법 |
US20060199553A1 (en) * | 2005-03-07 | 2006-09-07 | Andrew Corporation | Integrated transceiver with envelope tracking |
US7340228B2 (en) * | 2005-07-08 | 2008-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for high efficiency RF power amplification using drain bias adaptation |
-
2006
- 2006-03-03 US US11/368,308 patent/US7835710B2/en active Active
-
2007
- 2007-01-16 EP EP07000803A patent/EP1814221B1/en active Active
- 2007-01-26 JP JP2007016577A patent/JP4949049B2/ja not_active Expired - Fee Related
- 2007-01-26 SG SG200700500-2A patent/SG134278A1/en unknown
- 2007-01-26 TW TW096103001A patent/TWI431989B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004048271A (ja) * | 2002-07-10 | 2004-02-12 | Yaskawa Electric Corp | 低損失電力増幅器 |
WO2005053151A1 (en) * | 2003-11-20 | 2005-06-09 | Northrop Grumman Corporation | Variable supply amplifier system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4811463B2 (ja) * | 2006-05-17 | 2011-11-09 | 日本電気株式会社 | 歪み制御装置及び方法 |
US8995565B2 (en) | 2006-05-17 | 2015-03-31 | Lenovo Innovations Limited (Hong Kong) | Distortion control device and method |
WO2011083758A1 (ja) * | 2010-01-07 | 2011-07-14 | パナソニック株式会社 | 増幅装置 |
US8686792B2 (en) | 2010-01-07 | 2014-04-01 | Panasonic Corporation | Amplifying device |
JP5635507B2 (ja) * | 2010-01-07 | 2014-12-03 | パナソニック株式会社 | 増幅装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1814221B1 (en) | 2011-05-11 |
TWI431989B (zh) | 2014-03-21 |
US7835710B2 (en) | 2010-11-16 |
EP1814221A2 (en) | 2007-08-01 |
JP4949049B2 (ja) | 2012-06-06 |
TW200733657A (en) | 2007-09-01 |
SG134278A1 (en) | 2007-08-29 |
EP1814221A3 (en) | 2007-08-22 |
US20070178860A1 (en) | 2007-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4949049B2 (ja) | 可変パワー適応送信機 | |
JP5010296B2 (ja) | 可変パワー適応送信機 | |
US9065394B2 (en) | Apparatus and method for expanding operation region of power amplifier | |
CN101009714B (zh) | 可变功率适应性发射器 | |
JP4497470B2 (ja) | 高周波電力増幅装置および送信装置 | |
US8417199B2 (en) | Method and apparatus for improving efficiency in a power supply modulated system | |
US9818414B2 (en) | Dialogue system with audio watermark | |
KR20210012235A (ko) | 전자 장치 및 전자 장치의 무선 통신 시스템 | |
JP6724926B2 (ja) | 受信装置および方法、送信装置および方法、並びに通信システム | |
JP2011109233A (ja) | パルス幅変調回路およびエンベロープトラッキング電力増幅器 | |
US20110058688A1 (en) | Audio processing apparatus and method | |
KR102466465B1 (ko) | 스위칭 레귤레이터를 이용하여 복수의 증폭기들에 선택적으로 전압을 공급하는 방법 및 장치 | |
US9577581B2 (en) | Signal amplifier with active power management | |
KR102534030B1 (ko) | 스위칭 레귤레이터를 이용하여 복수의 증폭기들에 선택적으로 전압을 공급하는 방법 및 장치 | |
JP5848660B2 (ja) | 低消費電力化装置、無線装置および低消費電力化方法 | |
KR102080110B1 (ko) | 포락선 추적을 수행하는 통신 장치 | |
TW201220717A (en) | Method of generating modulated radio-frequency signal with high dynamic range | |
CN115428326A (zh) | 调整用于放大发射信号的施加电压的方法及其电子装置 | |
US7804658B1 (en) | Biasing RMR with constant power | |
JP2012253614A (ja) | 無線送信機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100118 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100118 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110131 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110208 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110509 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20110509 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111025 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120124 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120214 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120307 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150316 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4949049 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |