CN1248140A - 无线通信系统基站发射机的增频变频器及其输出控制方法 - Google Patents
无线通信系统基站发射机的增频变频器及其输出控制方法 Download PDFInfo
- Publication number
- CN1248140A CN1248140A CN99119026.2A CN99119026A CN1248140A CN 1248140 A CN1248140 A CN 1248140A CN 99119026 A CN99119026 A CN 99119026A CN 1248140 A CN1248140 A CN 1248140A
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- CN
- China
- Prior art keywords
- converter
- output
- signal
- output signal
- test section
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- 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.)
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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
- 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
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR16966/98U | 1998-09-07 | ||
KR2019980016966U KR20000005993U (ko) | 1998-09-07 | 1998-09-07 | 업 컨버터 |
KR2019980025715U KR20000012672U (ko) | 1998-12-14 | 1998-12-14 | 상향변환기의 출력보상회로 |
KR25715/98U | 1998-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1248140A true CN1248140A (zh) | 2000-03-22 |
CN1131650C CN1131650C (zh) | 2003-12-17 |
Family
ID=26633641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99119026A Expired - Fee Related CN1131650C (zh) | 1998-09-07 | 1999-09-07 | 无线通信系统基站发射机的增频变频器及其输出控制方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6484017B1 (zh) |
CN (1) | CN1131650C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103728935B (zh) * | 2008-10-20 | 2016-08-17 | 丹尼尔度量和控制公司 | 耦合诸如计量系统的专门系统到多个控制系统 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6678537B1 (en) * | 1999-11-23 | 2004-01-13 | Agere Systems Inc. | Adjustment of period of real-time slow drift correction of alignment of handset's local oscillator for a cordless telephone |
JP2001352262A (ja) * | 2000-06-08 | 2001-12-21 | Fujitsu Ltd | 送信電力制御装置および送信装置 |
US20030069022A1 (en) * | 2001-10-04 | 2003-04-10 | Mark Kintis | Amplitude cancellation topology for multichannel applications |
FR2836765B1 (fr) * | 2002-03-01 | 2004-07-09 | Centre Nat Rech Scient | Circuit superheterodyne a filtre passe-bande de selection de canal |
US7010284B2 (en) * | 2002-11-06 | 2006-03-07 | Triquint Semiconductor, Inc. | Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier |
CN101098500B (zh) * | 2006-06-30 | 2010-05-12 | 联想(北京)有限公司 | 融合移动通信网络与视频广播网络的通信系统及通信方法 |
US7627293B2 (en) * | 2006-12-28 | 2009-12-01 | Alcatel-Lucent Usa Inc. | Strategic predistortion function selection |
US9667312B2 (en) * | 2015-01-13 | 2017-05-30 | Hughes Network Systems, Llc | Radio based automatic level control for linear radio calibration |
US10291269B2 (en) | 2015-12-24 | 2019-05-14 | Murata Manufacturing Co., Ltd. | Power amplification module |
JP2017118338A (ja) * | 2015-12-24 | 2017-06-29 | 株式会社村田製作所 | 電力増幅モジュール |
CN106849970B (zh) * | 2016-12-29 | 2019-10-18 | 上海华为技术有限公司 | 一种无源互调抑制方法以及无源互调抑制系统 |
US11394471B1 (en) * | 2021-03-24 | 2022-07-19 | The United States Of America As Represented By The Secretary Of The Army | High-power radio frequency (RF) power detector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63258106A (ja) * | 1987-04-15 | 1988-10-25 | Matsushita Electric Ind Co Ltd | アツプコンバ−タ回路 |
US5023937A (en) * | 1989-05-09 | 1991-06-11 | Motorola, Inc. | Transmitter with improved linear amplifier control |
US5107225A (en) | 1990-11-30 | 1992-04-21 | Qualcomm Incorporated | High dynamic range closed loop automatic gain control circuit |
TW225619B (zh) | 1991-07-19 | 1994-06-21 | Nippon Electric Co | |
JPH0555936A (ja) | 1991-08-21 | 1993-03-05 | Matsushita Electric Ind Co Ltd | 送信電力制御装置 |
CA2135816C (en) | 1993-11-19 | 2000-02-15 | Takashi Enoki | Transmission circuit with improved gain control loop |
US5689815A (en) * | 1995-05-04 | 1997-11-18 | Oki Telecom, Inc. | Saturation prevention system for radio telephone with open and closed loop power control systems |
US5930301A (en) * | 1996-06-25 | 1999-07-27 | Harris Corporation | Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter |
-
1999
- 1999-09-07 CN CN99119026A patent/CN1131650C/zh not_active Expired - Fee Related
- 1999-09-07 US US09/390,668 patent/US6484017B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103728935B (zh) * | 2008-10-20 | 2016-08-17 | 丹尼尔度量和控制公司 | 耦合诸如计量系统的专门系统到多个控制系统 |
Also Published As
Publication number | Publication date |
---|---|
CN1131650C (zh) | 2003-12-17 |
US6484017B1 (en) | 2002-11-19 |
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Legal Events
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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 | ||
C56 | Change in the name or address of the patentee |
Owner name: LG ELECTRONIC CO., LTD. Free format text: FORMER NAME OR ADDRESS: LG INFORMATION + COMMUNICATIONS LTD. |
|
CP03 | Change of name, title or address |
Address after: Seoul, South Kerean Patentee after: LG Electronics Inc. Address before: Seoul, South Korea Patentee before: LG Information & Communications, Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061124 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061124 Address after: Seoul, South Kerean Patentee after: LG Nortel Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031217 Termination date: 20110907 |