CN1061310A - 线性发射机的快速相移调整方法和装置 - Google Patents
线性发射机的快速相移调整方法和装置 Download PDFInfo
- Publication number
- CN1061310A CN1061310A CN91109621A CN91109621A CN1061310A CN 1061310 A CN1061310 A CN 1061310A CN 91109621 A CN91109621 A CN 91109621A CN 91109621 A CN91109621 A CN 91109621A CN 1061310 A CN1061310 A CN 1061310A
- Authority
- CN
- China
- Prior art keywords
- vector
- phase
- feedback
- feedback signal
- adjusted
- 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
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
-
- 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
- H03F1/3294—Acting on the real and imaginary components of 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
- 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
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/607,423 US5134718A (en) | 1990-10-31 | 1990-10-31 | Fast phase shift adjusting method and device for linear transmitter |
US607,423 | 1990-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1061310A true CN1061310A (zh) | 1992-05-20 |
CN1022966C CN1022966C (zh) | 1993-12-01 |
Family
ID=24432206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91109621A Expired - Lifetime CN1022966C (zh) | 1990-10-31 | 1991-10-10 | 线性发射机的快速相移调整方法和装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5134718A (zh) |
EP (1) | EP0506908B1 (zh) |
JP (1) | JPH0622335B2 (zh) |
KR (1) | KR950013611B1 (zh) |
CN (1) | CN1022966C (zh) |
AU (1) | AU644961B2 (zh) |
CA (1) | CA2068425C (zh) |
DE (1) | DE69132241T2 (zh) |
TW (1) | TW215135B (zh) |
WO (1) | WO1992008291A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1077745C (zh) * | 1994-01-29 | 2002-01-09 | 摩托罗拉公司 | 功率放大器及无线电发射机 |
CN105187346A (zh) * | 2015-09-25 | 2015-12-23 | 海能达通信股份有限公司 | 发射机相位自适应调整的方法以及发射机 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5551070A (en) * | 1993-01-28 | 1996-08-27 | Telefonaktiebolaget Lm Ericsson | Cartesian multicarrier feedback |
US5423082A (en) * | 1993-06-24 | 1995-06-06 | Motorola, Inc. | Method for a transmitter to compensate for varying loading without an isolator |
US5559468A (en) * | 1993-06-28 | 1996-09-24 | Motorola, Inc. | Feedback loop closure in a linear transmitter |
DE69433082T2 (de) * | 1993-11-30 | 2004-06-03 | Nec Corp. | Adaptive Linearisierung eines Quadraturmodulators |
US5574992A (en) * | 1994-04-29 | 1996-11-12 | Motorola, Inc. | Method and apparatus for reducing off-channel interference produced by a linear transmitter |
GB2293935B (en) * | 1994-10-03 | 1999-07-14 | Linear Modulation Tech | Automatic calibration of carrier suppression and loop phase in a cartesian amplifier |
GB2301247A (en) * | 1995-05-22 | 1996-11-27 | Univ Bristol | A cartesian loop transmitter amplifier |
US5732333A (en) * | 1996-02-14 | 1998-03-24 | Glenayre Electronics, Inc. | Linear transmitter using predistortion |
US5783968A (en) * | 1996-11-14 | 1998-07-21 | Motorola, Inc. | RF amplifier method and apparatus |
GB9715278D0 (en) | 1997-07-18 | 1997-09-24 | Cambridge Consultants | Signal processing system |
SE512623C2 (sv) | 1997-11-03 | 2000-04-10 | Ericsson Telefon Ab L M | Förfarande och anordning i ett telekommunikationsproblem |
US6731694B2 (en) | 2001-08-07 | 2004-05-04 | Motorola, Inc. | Isolator eliminator for a linear transmitter |
US7058369B1 (en) | 2001-11-21 | 2006-06-06 | Pmc-Sierra Inc. | Constant gain digital predistortion controller for linearization of non-linear amplifiers |
GB2400250B (en) * | 2003-03-31 | 2005-05-25 | Motorola Inc | Wireless communication unit and linearised transmitter circuit therefor |
US7421252B2 (en) * | 2005-08-02 | 2008-09-02 | Freescale Semiconductor, Inc. | Center frequency control of an integrated phase rotator band-pass filter using VCO coarse trim bits |
US7719355B2 (en) * | 2007-05-31 | 2010-05-18 | Motorola, Inc. | Method and apparatus for providing a Cartesian training waveform |
JP4468422B2 (ja) * | 2007-08-09 | 2010-05-26 | 株式会社東芝 | カーテシアンループを用いた無線送信装置 |
WO2009147891A1 (ja) * | 2008-06-02 | 2009-12-10 | 株式会社 東芝 | カーテシアンループを用いた無線送信装置 |
GB2466072B (en) * | 2008-12-12 | 2011-03-23 | Motorola Inc | Adaptive cartesian loop transmitter for broadband and optimal loop stability adjustment |
GB2469076B (en) * | 2009-03-31 | 2013-05-22 | Motorola Solutions Inc | IQ phase imbalance correction method in cartesian linearization feedback path with dual phase shifters |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2554656B1 (fr) * | 1983-11-04 | 1986-06-27 | Lgt Lab Gen Telecomm | Emetteur a modulation de frequence applicable a la radiodiffusion fm |
US4696017A (en) * | 1986-02-03 | 1987-09-22 | E-Systems, Inc. | Quadrature signal generator having digitally-controlled phase and amplitude correction |
US4933986A (en) * | 1989-08-25 | 1990-06-12 | Motorola, Inc. | Gain/phase compensation for linear amplifier feedback loop |
US5066922A (en) * | 1989-10-16 | 1991-11-19 | Motorola, Inc. | Stabilizing circuit for feedback RF amplifier |
US4993986A (en) * | 1989-11-01 | 1991-02-19 | Bloomfield Steven L | Fuzz blower power tube |
-
1990
- 1990-10-31 US US07/607,423 patent/US5134718A/en not_active Expired - Lifetime
-
1991
- 1991-09-10 TW TW080107136A patent/TW215135B/zh not_active IP Right Cessation
- 1991-09-20 EP EP91918022A patent/EP0506908B1/en not_active Expired - Lifetime
- 1991-09-20 JP JP3517088A patent/JPH0622335B2/ja not_active Expired - Fee Related
- 1991-09-20 DE DE69132241T patent/DE69132241T2/de not_active Expired - Lifetime
- 1991-09-20 WO PCT/US1991/006789 patent/WO1992008291A1/en active IP Right Grant
- 1991-09-20 KR KR1019920701556A patent/KR950013611B1/ko not_active IP Right Cessation
- 1991-09-20 CA CA002068425A patent/CA2068425C/en not_active Expired - Lifetime
- 1991-10-10 CN CN91109621A patent/CN1022966C/zh not_active Expired - Lifetime
-
1992
- 1992-05-07 AU AU16078/92A patent/AU644961B2/en not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1077745C (zh) * | 1994-01-29 | 2002-01-09 | 摩托罗拉公司 | 功率放大器及无线电发射机 |
CN105187346A (zh) * | 2015-09-25 | 2015-12-23 | 海能达通信股份有限公司 | 发射机相位自适应调整的方法以及发射机 |
CN105187346B (zh) * | 2015-09-25 | 2019-03-05 | 海能达通信股份有限公司 | 发射机相位自适应调整的方法以及发射机 |
Also Published As
Publication number | Publication date |
---|---|
JPH0622335B2 (ja) | 1994-03-23 |
CA2068425C (en) | 1995-11-28 |
KR920704437A (ko) | 1992-12-19 |
DE69132241D1 (de) | 2000-07-06 |
EP0506908A1 (en) | 1992-10-07 |
AU644961B2 (en) | 1993-12-23 |
JPH05500596A (ja) | 1993-02-04 |
EP0506908B1 (en) | 2000-05-31 |
AU1607892A (en) | 1993-02-18 |
DE69132241T2 (de) | 2001-01-04 |
KR950013611B1 (ko) | 1995-11-13 |
CN1022966C (zh) | 1993-12-01 |
EP0506908A4 (en) | 1994-10-12 |
TW215135B (zh) | 1993-10-21 |
WO1992008291A1 (en) | 1992-05-14 |
CA2068425A1 (en) | 1992-05-01 |
US5134718A (en) | 1992-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: MOTOROLA INC. TO: MOTOROLA, INC. |
|
CP01 | Change in the name or title of a patent holder |
Patentee after: Motorola Inc. Patentee before: Motorola. Inc |
|
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
OR01 | Other related matters | ||
C56 | Change in the name or address of the patentee |
Owner name: MOTOROLA SOLUTIONS INC. Free format text: FORMER NAME: MOTOROLA INC. |
|
CP03 | Change of name, title or address |
Address after: Illinois State Patentee after: Motorala Solutions Address before: Illinois Instrunment Patentee before: Motorola Inc. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20111010 Granted publication date: 19931201 |