CA2094133A1 - Amplificateur a commande de gain lineaire - Google Patents
Amplificateur a commande de gain lineaireInfo
- Publication number
- CA2094133A1 CA2094133A1 CA2094133A CA2094133A CA2094133A1 CA 2094133 A1 CA2094133 A1 CA 2094133A1 CA 2094133 A CA2094133 A CA 2094133A CA 2094133 A CA2094133 A CA 2094133A CA 2094133 A1 CA2094133 A1 CA 2094133A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- amplification circuit
- input
- compensation
- output
- 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
- 230000003321 amplification Effects 0.000 abstract 8
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 8
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/04—Modifications of control circuit to reduce distortion caused by control
-
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Microwave Amplifiers (AREA)
- Error Detection And Correction (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Networks Using Active Elements (AREA)
- Noise Elimination (AREA)
Abstract
Circuit d'amplification ayant un circuit de compensation (10) destiné à recevoir un signal de commande et à générer un signal de compensation en fonction de caractéristiques prédéterminées. Un circuit d'amplification d'entrée (12) est prévu pour recevoir un signal d'entrée et le signal de compensation, amplifier le signal d'entrée jusqu'à un niveau de gain d'entrée déterminé par le signal de compensation et fournir un signal de sortie correspondant du circuit d'amplification d'entrée. Un filtre (14) reçoit et filtre les composantes de fréquence non voulues pour les éliminer du signal de sortie du circuit d'amplification d'entrée. Un circuit d'amplification de sortie (16) est prévu pour recevoir le signal de sortie filtré du circuit d'amplification d'entrée et le signal de compensation, amplifier le signal de sortie du circuit d'amplification d'entrée, jusqu'à un niveau de gain de sortie déterminé par le signal de compensation et fournir un signal de sortie correspondant du circuit d'amplification de sortie.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US598,845 | 1990-10-15 | ||
US07/598,845 US5099204A (en) | 1990-10-15 | 1990-10-15 | Linear gain control amplifier |
PCT/US1991/007702 WO1992007424A1 (fr) | 1990-10-15 | 1991-10-15 | Amplificateur a commande de gain lineaire |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2094133A1 true CA2094133A1 (fr) | 1992-04-16 |
CA2094133C CA2094133C (fr) | 2000-01-11 |
Family
ID=24397158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002094133A Expired - Fee Related CA2094133C (fr) | 1990-10-15 | 1991-10-15 | Amplificateur a commande de gain lineaire |
Country Status (14)
Country | Link |
---|---|
US (1) | US5099204A (fr) |
EP (1) | EP0553300B1 (fr) |
JP (1) | JPH06504653A (fr) |
KR (1) | KR0138077B1 (fr) |
AT (1) | ATE180121T1 (fr) |
AU (1) | AU648364B2 (fr) |
CA (1) | CA2094133C (fr) |
DE (1) | DE69131230T2 (fr) |
DK (1) | DK0553300T3 (fr) |
FI (1) | FI931690A (fr) |
HK (1) | HK1014808A1 (fr) |
MX (1) | MX9101591A (fr) |
NO (1) | NO303039B1 (fr) |
WO (1) | WO1992007424A1 (fr) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4216646C1 (de) * | 1992-05-20 | 1994-01-27 | Ant Nachrichtentech | Anordnung zur Bereitstellung eines Stellsignals für ein Dämpfungsglied |
US5357206A (en) * | 1993-01-21 | 1994-10-18 | R.F. Monolithics, Inc. | Sequential amplifier |
US5357207A (en) * | 1993-01-21 | 1994-10-18 | R.F. Monolithics, Inc. | Sequential amplifier |
US5408697A (en) * | 1993-06-14 | 1995-04-18 | Qualcomm Incorporated | Temperature-compensated gain-controlled amplifier having a wide linear dynamic range |
US5603113A (en) * | 1993-06-16 | 1997-02-11 | Oki Telecom | Automatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear signal level detector with DC blocking, DC adding, and AC removing components |
US5412686A (en) * | 1993-09-17 | 1995-05-02 | Motorola Inc. | Method and apparatus for power estimation in a communication system |
US5809068A (en) * | 1994-05-20 | 1998-09-15 | Multi-Tech Systems, Inc. | PCMCIA modem |
US5530716A (en) * | 1994-06-30 | 1996-06-25 | Motorola, Inc. | Method and apparatus for identifying a coded communication signal |
US5548616A (en) * | 1994-09-09 | 1996-08-20 | Nokia Mobile Phones Ltd. | Spread spectrum radiotelephone having adaptive transmitter gain control |
US5566201A (en) * | 1994-09-27 | 1996-10-15 | Nokia Mobile Phones Ltd. | Digital AGC for a CDMA radiotelephone |
US5530402A (en) * | 1995-01-27 | 1996-06-25 | Rf Monolithics, Inc. | Single sequential amplifier circuit |
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 |
JPH0918358A (ja) * | 1995-06-27 | 1997-01-17 | Sony Corp | 無線送信機 |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US6885652B1 (en) * | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6092919A (en) * | 1995-08-01 | 2000-07-25 | Guided Systems Technologies, Inc. | System and method for adaptive control of uncertain nonlinear processes |
US5715526A (en) * | 1995-09-08 | 1998-02-03 | Qualcomm Incorporated | Apparatus and method for controlling transmission power in a cellular communications system |
JP3139734B2 (ja) * | 1995-11-07 | 2001-03-05 | 日本電気株式会社 | 可変利得増幅器 |
US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
US5872481A (en) * | 1995-12-27 | 1999-02-16 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
US5796309A (en) * | 1996-07-02 | 1998-08-18 | Nippondenso Co., Ltd. | Temperature compensated wide dynamic range power detection circuitry for portable RF transmission terminals |
US6236863B1 (en) | 1997-03-31 | 2001-05-22 | Oki Telecom, Inc. | Comprehensive transmitter power control system for radio telephones |
US6069525A (en) * | 1997-04-17 | 2000-05-30 | Qualcomm Incorporated | Dual-mode amplifier with high efficiency and high linearity |
US6160803A (en) * | 1998-01-12 | 2000-12-12 | Golden Bridge Technology, Inc. | High processing gain spread spectrum TDMA system and method |
FI105611B (fi) * | 1998-03-13 | 2000-09-15 | Nokia Mobile Phones Ltd | Radiotajuusvahvistimet |
US6069526A (en) * | 1998-08-04 | 2000-05-30 | Qualcomm Incorporated | Partial or complete amplifier bypass |
US6107878A (en) * | 1998-08-06 | 2000-08-22 | Qualcomm Incorporated | Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
KR100281647B1 (ko) | 1998-12-01 | 2001-02-15 | 정선종 | 능동소자 발룬을 이용한 소신호 선형성 향상을 위한 알에프 집적회로 |
US6114910A (en) * | 1998-12-14 | 2000-09-05 | Raytheon Company | Temperature compensated amplifier and operating method |
KR100295678B1 (ko) | 1999-03-26 | 2001-07-12 | 김영환 | 선형 이득제어 증폭기 |
KR100474371B1 (ko) | 2000-10-31 | 2005-03-08 | 매그나칩 반도체 유한회사 | 선형 이득 제어 증폭기 |
GB2381415B (en) * | 2001-10-24 | 2003-12-10 | Motorola Inc | Receiver circuit for use in radio communications and communications unit including such a circuit |
US7133651B2 (en) * | 2002-11-04 | 2006-11-07 | Lg Electronics Inc. | Transmission apparatus for mobile communication terminal |
US7260375B2 (en) * | 2002-11-06 | 2007-08-21 | Rf Monolithics, Inc. | Frequency agile RF circuit |
US6906592B2 (en) * | 2002-11-13 | 2005-06-14 | Qualcomm Inc | Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
US7129753B2 (en) * | 2004-05-26 | 2006-10-31 | Infineon Technologies Ag | Chip to chip interface |
US7439791B2 (en) * | 2006-01-31 | 2008-10-21 | Freescale Semiconductor, Inc. | Temperature compensation device and method thereof |
US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
US20070264942A1 (en) * | 2006-05-15 | 2007-11-15 | Mediatek Inc. | Rf transceiver and communication device using the same |
US8536950B2 (en) * | 2009-08-03 | 2013-09-17 | Qualcomm Incorporated | Multi-stage impedance matching |
US8102205B2 (en) | 2009-08-04 | 2012-01-24 | Qualcomm, Incorporated | Amplifier module with multiple operating modes |
US9859862B2 (en) * | 2014-08-28 | 2018-01-02 | Advanced Micro Devices, Inc. | Gain peaking techniques in high-frequency passive low pass filters |
KR101522332B1 (ko) * | 2014-10-15 | 2015-05-26 | 주식회사 씨-테크 | 통신용 복합 모듈 필터 장치 |
US10263582B1 (en) * | 2017-02-24 | 2019-04-16 | Marvell International Ltd. | Variable gain amplifier with gain-based compensation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3325738A (en) * | 1964-02-17 | 1967-06-13 | Avco Corp | Signal to noise ratio controlled squelch circuit |
US4263560A (en) * | 1974-06-06 | 1981-04-21 | The United States Of America As Represented By The Secretary Of The Navy | Log-exponential AGC circuit |
FR2512292B1 (fr) * | 1981-08-25 | 1986-11-21 | Lmt Radio Professionelle | Amplificateur hyperfrequence a transistors a effet de champ, notamment pour radar doppler |
US4602218A (en) * | 1985-04-30 | 1986-07-22 | Motorola, Inc. | Automatic output control circuitry for RF power amplifiers with wide dynamic range |
US4740996A (en) * | 1986-11-17 | 1988-04-26 | Amp Incorporated | Temperature independent, low level, AM modem receiver |
-
1990
- 1990-10-15 US US07/598,845 patent/US5099204A/en not_active Expired - Lifetime
-
1991
- 1991-10-15 MX MX9101591A patent/MX9101591A/es not_active IP Right Cessation
- 1991-10-15 CA CA002094133A patent/CA2094133C/fr not_active Expired - Fee Related
- 1991-10-15 DE DE69131230T patent/DE69131230T2/de not_active Expired - Fee Related
- 1991-10-15 EP EP92902054A patent/EP0553300B1/fr not_active Expired - Lifetime
- 1991-10-15 KR KR1019930701125A patent/KR0138077B1/ko not_active IP Right Cessation
- 1991-10-15 JP JP4500744A patent/JPH06504653A/ja active Pending
- 1991-10-15 DK DK92902054T patent/DK0553300T3/da active
- 1991-10-15 WO PCT/US1991/007702 patent/WO1992007424A1/fr active IP Right Grant
- 1991-10-15 AT AT92902054T patent/ATE180121T1/de not_active IP Right Cessation
- 1991-10-15 AU AU89430/91A patent/AU648364B2/en not_active Ceased
-
1993
- 1993-04-14 NO NO931376A patent/NO303039B1/no not_active IP Right Cessation
- 1993-04-14 FI FI931690A patent/FI931690A/fi unknown
-
1998
- 1998-12-28 HK HK98116160A patent/HK1014808A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO931376D0 (no) | 1993-04-14 |
DE69131230D1 (de) | 1999-06-17 |
DE69131230T2 (de) | 1999-12-09 |
EP0553300B1 (fr) | 1999-05-12 |
WO1992007424A1 (fr) | 1992-04-30 |
AU648364B2 (en) | 1994-04-21 |
EP0553300A1 (fr) | 1993-08-04 |
EP0553300A4 (en) | 1994-06-29 |
HK1014808A1 (en) | 1999-09-30 |
NO303039B1 (no) | 1998-05-18 |
US5099204A (en) | 1992-03-24 |
MX9101591A (es) | 1992-06-05 |
JPH06504653A (ja) | 1994-05-26 |
DK0553300T3 (da) | 1999-11-01 |
AU8943091A (en) | 1992-05-20 |
KR930703734A (ko) | 1993-11-30 |
NO931376L (no) | 1993-06-09 |
KR0138077B1 (ko) | 1998-06-15 |
CA2094133C (fr) | 2000-01-11 |
FI931690A0 (fi) | 1993-04-14 |
FI931690A (fi) | 1993-04-14 |
ATE180121T1 (de) | 1999-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |