CN1214520C - 用于功率放大器的一种功率检测电路 - Google Patents
用于功率放大器的一种功率检测电路 Download PDFInfo
- Publication number
- CN1214520C CN1214520C CNB018009123A CN01800912A CN1214520C CN 1214520 C CN1214520 C CN 1214520C CN B018009123 A CNB018009123 A CN B018009123A CN 01800912 A CN01800912 A CN 01800912A CN 1214520 C CN1214520 C CN 1214520C
- Authority
- CN
- China
- Prior art keywords
- circuit
- transistor
- power
- electric current
- output voltage
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 238000012935 Averaging Methods 0.000 claims abstract description 11
- 229910044991 metal oxide Inorganic materials 0.000 claims description 9
- 150000004706 metal oxides Chemical class 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/10—Arrangements for measuring electric power or power factor by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance
-
- 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
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
- H03F3/3435—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors using Darlington amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/456—A scaled replica of a transistor being present in an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/465—Power sensing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/75—Indexing scheme relating to amplifiers the amplifier stage being a common source configuration MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/548,726 US6448855B1 (en) | 2000-04-13 | 2000-04-13 | Accurate power detection circuit for use in a power amplifier |
US09/548,726 | 2000-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1366733A CN1366733A (zh) | 2002-08-28 |
CN1214520C true CN1214520C (zh) | 2005-08-10 |
Family
ID=24190146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018009123A Expired - Fee Related CN1214520C (zh) | 2000-04-13 | 2001-04-03 | 用于功率放大器的一种功率检测电路 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6448855B1 (zh) |
EP (1) | EP1277274B1 (zh) |
JP (1) | JP5134176B2 (zh) |
KR (1) | KR100805398B1 (zh) |
CN (1) | CN1214520C (zh) |
AT (1) | ATE363152T1 (zh) |
DE (1) | DE60128560T2 (zh) |
WO (1) | WO2001080421A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6710716B1 (en) * | 2000-05-31 | 2004-03-23 | Sony Corporation | Power detecting circuit and demodulator comprising the same |
US6657425B2 (en) * | 2001-06-26 | 2003-12-02 | Koninklijke Philips Electronics N.V. | Power measurement circuit including harmonic filter |
CN100557947C (zh) * | 2002-12-16 | 2009-11-04 | Nxp股份有限公司 | 在线性功率放大器中用于使能对静态电流的动态控制的可自适应的偏置电路 |
WO2004112239A1 (en) | 2003-06-18 | 2004-12-23 | Koninklijke Philips Electronics N.V. | Ouput power detection circuit |
EP1557680A1 (en) | 2004-01-26 | 2005-07-27 | STMicroelectronics S.r.l. | Device for detecting the power of a radio frequency signal |
JP2007288533A (ja) * | 2006-04-17 | 2007-11-01 | Sharp Corp | レベル検波回路、集積回路および通信機器 |
JP2010041233A (ja) * | 2008-08-01 | 2010-02-18 | Panasonic Corp | 検波回路及び無線通信システム |
CN102955115A (zh) * | 2011-08-25 | 2013-03-06 | 鸿富锦精密工业(深圳)有限公司 | 功率测试系统 |
US8803546B2 (en) * | 2011-11-27 | 2014-08-12 | Mediatek Singapore Pte. Ltd. | Method for performing power detection, and associated apparatus |
KR101548079B1 (ko) | 2014-05-19 | 2015-09-04 | 홍익대학교 산학협력단 | Rf 신호의 이득을 제어하는 전력 검출 장치 및 방법 |
CN105137169B (zh) * | 2015-09-25 | 2016-08-17 | 华中科技大学 | 一种射频功率检测电路 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3197626A (en) | 1962-01-08 | 1965-07-27 | Chrysler Corp | Logarithmic multiplier-divider |
JPS6022391B2 (ja) * | 1975-11-17 | 1985-06-01 | 三菱電機株式会社 | 電流2乗回路 |
JPS57124909A (en) | 1981-01-27 | 1982-08-04 | Toshiba Corp | Output transistor protection circuit |
CA2017904C (en) * | 1989-05-31 | 1993-11-16 | Shinichi Miyazaki | High frequency amplifier circuit capable of optimizing a total power consumption |
JP2976770B2 (ja) | 1993-09-01 | 1999-11-10 | ヤマハ株式会社 | 増幅回路 |
US5530922A (en) * | 1993-11-09 | 1996-06-25 | Motorola, Inc. | Power detector with matching impedance for radio frequency signal amplifiers |
US5410275A (en) * | 1993-12-13 | 1995-04-25 | Motorola Inc. | Amplifier circuit suitable for use in a radiotelephone |
EP0772273B1 (en) | 1995-10-31 | 2001-08-29 | STMicroelectronics S.r.l. | Sensor of the instant power dissipated in a power transistor |
US5724003A (en) * | 1995-12-29 | 1998-03-03 | Maxim Integrated Products, Inc. | Methods and apparatus for signal amplitude control systems |
FR2765750A1 (fr) * | 1997-07-02 | 1999-01-08 | Trt Lucent Technologies | Dispositif de reception pour signaux hyperfrequence |
JPH11102407A (ja) * | 1997-09-26 | 1999-04-13 | Nec Corp | 差動回路、otaおよび2乗回路 |
WO1999029037A1 (fr) * | 1997-11-28 | 1999-06-10 | Hitachi, Ltd. | Circuit d'amplification de puissance haute frequence, et appareil de communication mobile utilisant ledit circuit |
US5952882A (en) * | 1998-01-22 | 1999-09-14 | Maxim Integrated Products, Inc. | Gain enhancement for operational amplifiers |
-
2000
- 2000-04-13 US US09/548,726 patent/US6448855B1/en not_active Expired - Lifetime
-
2001
- 2001-04-03 JP JP2001577700A patent/JP5134176B2/ja not_active Expired - Fee Related
- 2001-04-03 WO PCT/EP2001/003755 patent/WO2001080421A2/en active IP Right Grant
- 2001-04-03 KR KR1020017015988A patent/KR100805398B1/ko active IP Right Grant
- 2001-04-03 AT AT01927856T patent/ATE363152T1/de not_active IP Right Cessation
- 2001-04-03 CN CNB018009123A patent/CN1214520C/zh not_active Expired - Fee Related
- 2001-04-03 DE DE60128560T patent/DE60128560T2/de not_active Expired - Lifetime
- 2001-04-03 EP EP01927856A patent/EP1277274B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE363152T1 (de) | 2007-06-15 |
JP5134176B2 (ja) | 2013-01-30 |
US6448855B1 (en) | 2002-09-10 |
WO2001080421A3 (en) | 2002-03-21 |
DE60128560D1 (de) | 2007-07-05 |
JP2003531547A (ja) | 2003-10-21 |
EP1277274B1 (en) | 2007-05-23 |
EP1277274A2 (en) | 2003-01-22 |
CN1366733A (zh) | 2002-08-28 |
DE60128560T2 (de) | 2008-01-24 |
KR20020022698A (ko) | 2002-03-27 |
WO2001080421A2 (en) | 2001-10-25 |
KR100805398B1 (ko) | 2008-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20070831 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070831 Address after: Holland Ian Deho Finn Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: KALAI HANXILE CO., LTD. Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20120210 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120210 Address after: American Delaware Patentee after: NXP BV Address before: Holland Ian Deho Finn Patentee before: Koninkl Philips Electronics NV |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050810 Termination date: 20200403 |
|
CF01 | Termination of patent right due to non-payment of annual fee |