CA2015553A1 - Emetteur radio pouvant corriger la caracteristique de frequence d'une antenne et/ou d'un circuit de couplage - Google Patents
Emetteur radio pouvant corriger la caracteristique de frequence d'une antenne et/ou d'un circuit de couplageInfo
- Publication number
- CA2015553A1 CA2015553A1 CA2015553A CA2015553A CA2015553A1 CA 2015553 A1 CA2015553 A1 CA 2015553A1 CA 2015553 A CA2015553 A CA 2015553A CA 2015553 A CA2015553 A CA 2015553A CA 2015553 A1 CA2015553 A1 CA 2015553A1
- Authority
- CA
- Canada
- Prior art keywords
- reference voltage
- antenna
- frequency characteristic
- coupling circuit
- output signal
- 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
- 230000008878 coupling Effects 0.000 title abstract 3
- 238000010168 coupling process Methods 0.000 title abstract 3
- 238000005859 coupling reaction Methods 0.000 title abstract 3
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- 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
- H04B1/03—Constructional details, e.g. casings, housings
- H04B1/036—Cooling arrangements
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP106014/1989 | 1989-04-27 | ||
JP1106014A JPH02285817A (ja) | 1989-04-27 | 1989-04-27 | 無線送信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2015553A1 true CA2015553A1 (fr) | 1990-10-27 |
CA2015553C CA2015553C (fr) | 1993-04-06 |
Family
ID=14422807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002015553A Expired - Fee Related CA2015553C (fr) | 1989-04-27 | 1990-04-26 | Emetteur radio pouvant corriger la caracteristique de frequence d'une antenne et/ou d'un circuit de couplage |
Country Status (6)
Country | Link |
---|---|
US (1) | US5081713A (fr) |
EP (1) | EP0396347B1 (fr) |
JP (1) | JPH02285817A (fr) |
AU (1) | AU630948B2 (fr) |
CA (1) | CA2015553C (fr) |
DE (1) | DE69011939T2 (fr) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2233517B (en) * | 1989-06-26 | 1994-04-06 | Orbitel Mobile Communications | Transmitter power control for radio telephone system |
JP2936758B2 (ja) * | 1991-02-20 | 1999-08-23 | 日本電気株式会社 | 無線受信機 |
US5287555A (en) * | 1991-07-22 | 1994-02-15 | Motorola, Inc. | Power control circuitry for a TDMA radio frequency transmitter |
JPH0555936A (ja) * | 1991-08-21 | 1993-03-05 | Matsushita Electric Ind Co Ltd | 送信電力制御装置 |
FI89120C (fi) * | 1991-09-24 | 1993-08-10 | Nokia Mobile Phones Ltd | Effektinstaellning i en boosterfoerstaerkare |
US5239696A (en) * | 1991-10-15 | 1993-08-24 | Sensormatic Electronics Corporation | Linear power amplifier utilizing current feedback |
JPH05206771A (ja) * | 1992-01-30 | 1993-08-13 | Mitsubishi Electric Corp | 自動出力電力制御回路 |
US5383223A (en) * | 1992-06-05 | 1995-01-17 | Japan Radio Co., Ltd. | Power control device wherein a bias voltage in level detection is given a constant difference from a detected voltage |
CA2154877C (fr) * | 1993-02-05 | 1999-07-20 | Akira Ishikura | Materiel radiotelephonique |
US5296821A (en) * | 1993-05-03 | 1994-03-22 | Motorola, Inc. | Method and apparatus for controlling transient responses in a power amplifier |
US5371473A (en) * | 1993-09-10 | 1994-12-06 | Hughes Aircraft Company | Thermally stable ALC for pulsed output amplifier |
FR2716313B1 (fr) * | 1994-02-11 | 1996-04-12 | Alcatel Mobile Comm France | Dispositif de commande de la polarisation d'un amplificateur. |
CA2150157A1 (fr) * | 1994-05-28 | 1995-11-29 | Peter John Chrystie | Amenagement de station de base |
US5722063A (en) * | 1994-12-16 | 1998-02-24 | Qualcomm Incorporated | Method and apparatus for increasing receiver immunity to interference |
KR0123205B1 (ko) * | 1994-12-30 | 1997-11-19 | 김주용 | 위성통신 송신기의 자동이득조절회로 |
JPH08204587A (ja) * | 1995-01-23 | 1996-08-09 | Fujitsu Ltd | 携帯電話機 |
JPH08274559A (ja) * | 1995-04-03 | 1996-10-18 | Oki Electric Ind Co Ltd | 出力電力制御装置 |
IL117831A0 (en) * | 1995-04-21 | 1996-08-04 | Qualcomm Inc | Temperature compensated automatic gain control |
US5686903A (en) * | 1995-05-19 | 1997-11-11 | Prince Corporation | Trainable RF transceiver |
DE19521663A1 (de) * | 1995-06-14 | 1996-12-19 | Philips Patentverwaltung | Integrierter Schaltkreis mit Spannungsregelschaltung |
JPH0946286A (ja) * | 1995-08-02 | 1997-02-14 | Fujitsu Ltd | 衛星通信地球局における送信電力制御装置 |
US5854593A (en) * | 1996-07-26 | 1998-12-29 | Prince Corporation | Fast scan trainable transmitter |
US5859567A (en) * | 1996-09-24 | 1999-01-12 | Motorola, Inc. | Power amplifier circuit with temperature compensating level shifter |
KR100212576B1 (ko) * | 1997-01-31 | 1999-08-02 | 윤종용 | 페이징송신기에서 주파수 및 온도 변환에 따른 무선신호 전력제어방법 |
US6148220A (en) * | 1997-04-25 | 2000-11-14 | Triquint Semiconductor, Inc. | Battery life extending technique for mobile wireless applications |
JPH11177444A (ja) * | 1997-12-15 | 1999-07-02 | Matsushita Electric Ind Co Ltd | 送信電力制御装置及び方法 |
JP2000068958A (ja) * | 1998-08-26 | 2000-03-03 | Toshiba Corp | 無線送信装置 |
JP3223887B2 (ja) * | 1998-09-07 | 2001-10-29 | 株式会社デンソー | 無線通信装置 |
KR100319275B1 (ko) * | 1999-03-20 | 2002-01-09 | 윤종용 | 무선 단말기에서 온도보상에 따른 전력제어를 위한 코드 값 계산 방법 |
US6473603B1 (en) * | 1999-04-02 | 2002-10-29 | Qualcomm, Inc. | System and method for temperature compensation of external antenna units |
EP1160995B1 (fr) * | 2000-05-29 | 2012-05-23 | Sony Deutschland GmbH | Terminal mobile pour système de télécommunication sans fil |
US6813476B1 (en) | 2000-11-13 | 2004-11-02 | Andrew Corporation | Method and system for compensating for atmospheric fading in a communications system |
EP1249941A4 (fr) * | 2000-11-13 | 2005-01-19 | Mitsubishi Electric Corp | Telephone portable |
US7047029B1 (en) * | 2001-09-10 | 2006-05-16 | The Directv Group, Inc. | Adaptive transmission system |
US9485010B1 (en) | 2001-09-10 | 2016-11-01 | The Directv Group, Inc. | Adaptive coding and modulation for spot beam satellite broadcast |
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 |
US20040070454A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Continuous bias circuit and method for an amplifier |
US20040072554A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Automatic-bias amplifier circuit |
DE10251465A1 (de) * | 2002-11-05 | 2004-05-19 | Siemens Ag | Verfahren zum Sendeleistungsabgleich bei einem mobilen Kommunikationsendgerät und Kommunikationsendgerät zur Durchführung des Verfahrens |
EP1570571B1 (fr) * | 2002-12-04 | 2007-02-28 | Research In Motion Limited | Compensation de gain lors de variations de temperature et de frequence dans des emetteurs-recepteurs sans fil |
KR100498964B1 (ko) * | 2003-03-05 | 2005-07-01 | 삼성전자주식회사 | 이동단말에서의 전자파 흡수율 제어 방법 및 장치 |
US7236745B2 (en) * | 2003-03-05 | 2007-06-26 | Harris Stratex Networks Operating Corporation | Transceiver power detection architecture |
US7761067B1 (en) * | 2003-05-15 | 2010-07-20 | Marvell International Ltd. | Iterative filter circuit calibration |
US7228114B2 (en) * | 2003-05-21 | 2007-06-05 | Harris Stratex Networks Operating Corporation | Wide dynamic range power detection scheme |
US7653349B1 (en) | 2003-06-18 | 2010-01-26 | The Directv Group, Inc. | Adaptive return link for two-way satellite communication systems |
KR20050032810A (ko) * | 2003-10-02 | 2005-04-08 | 삼성전자주식회사 | 자동 이득 제어 루프를 위한 온도 보상 장치 |
US7177370B2 (en) * | 2003-12-17 | 2007-02-13 | Triquint Semiconductor, Inc. | Method and architecture for dual-mode linear and saturated power amplifier operation |
US7164285B1 (en) | 2005-08-12 | 2007-01-16 | Stratex Networks, Inc. | Directional power detection by quadrature sampling |
EP1879298A1 (fr) * | 2006-07-12 | 2008-01-16 | STMicroelectronics N.V. | Procédé et émetteur/récepteur pour améliorer la puissance de transmission dans les systèmes à large bande et en particulier dans les systèmes UWB |
US7586458B2 (en) * | 2007-03-19 | 2009-09-08 | Ahmadreza Rofougaran | Method and system for using a transformer for FM transmit and FM receive functionality |
KR102461147B1 (ko) * | 2015-03-16 | 2022-11-02 | 삼성전자 주식회사 | 전자 장치 및 송신 전력 제어 방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3891926A (en) * | 1972-12-18 | 1975-06-24 | American Standard Inc | Filter module |
US4380089A (en) * | 1980-06-16 | 1983-04-12 | Gte Products Corporation | Battery-powered transmitter including current control circuit |
US4429285A (en) * | 1981-07-31 | 1984-01-31 | Rca Corporation | Frequency-controlled variable-gain amplifiers |
JPS59212035A (ja) * | 1983-05-17 | 1984-11-30 | Matsushita Electric Ind Co Ltd | 送信出力制御回路 |
JPS6041821A (ja) * | 1983-08-18 | 1985-03-05 | Nec Corp | 送信出力電力制御装置 |
JPS60244107A (ja) * | 1984-05-18 | 1985-12-04 | Nec Corp | 高周波電力制御回路 |
JPS6173416A (ja) * | 1984-09-19 | 1986-04-15 | Nec Corp | 自動周波数制御・自動利得制御回路 |
JPS61121537A (ja) * | 1984-11-16 | 1986-06-09 | Nec Corp | 電力制御回路 |
JPS63226124A (ja) * | 1986-10-29 | 1988-09-20 | Oki Electric Ind Co Ltd | 無線装置用レベル制御回路 |
US4939786A (en) * | 1987-03-09 | 1990-07-03 | Motorola, Inc. | Adaptive thermal protection for a power amplifier by remote sense |
US4727337A (en) * | 1987-04-24 | 1988-02-23 | Motorola, Inc. | Protection circuit for RF power amplifiers |
JPH0752850B2 (ja) * | 1988-01-19 | 1995-06-05 | 日本電気株式会社 | 送信機 |
-
1989
- 1989-04-27 JP JP1106014A patent/JPH02285817A/ja active Pending
-
1990
- 1990-04-26 CA CA002015553A patent/CA2015553C/fr not_active Expired - Fee Related
- 1990-04-26 US US07/514,807 patent/US5081713A/en not_active Expired - Fee Related
- 1990-04-27 DE DE69011939T patent/DE69011939T2/de not_active Expired - Fee Related
- 1990-04-27 AU AU54543/90A patent/AU630948B2/en not_active Ceased
- 1990-04-27 EP EP90304609A patent/EP0396347B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2015553C (fr) | 1993-04-06 |
EP0396347B1 (fr) | 1994-08-31 |
DE69011939T2 (de) | 1995-02-09 |
AU5454390A (en) | 1990-11-01 |
DE69011939D1 (de) | 1994-10-06 |
AU630948B2 (en) | 1992-11-12 |
EP0396347A2 (fr) | 1990-11-07 |
JPH02285817A (ja) | 1990-11-26 |
EP0396347A3 (fr) | 1991-10-30 |
US5081713A (en) | 1992-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |