FI931690A - Foerstaerkare foer linjaer foerstaerkningsreglering - Google Patents
Foerstaerkare foer linjaer foerstaerkningsreglering Download PDFInfo
- Publication number
- FI931690A FI931690A FI931690A FI931690A FI931690A FI 931690 A FI931690 A FI 931690A FI 931690 A FI931690 A FI 931690A FI 931690 A FI931690 A FI 931690A FI 931690 A FI931690 A FI 931690A
- Authority
- FI
- Finland
- Prior art keywords
- signal
- amplification circuit
- input
- compensation
- output
- Prior art date
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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Error Detection And Correction (AREA)
- Networks Using Active Elements (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/598,845 US5099204A (en) | 1990-10-15 | 1990-10-15 | Linear gain control amplifier |
PCT/US1991/007702 WO1992007424A1 (en) | 1990-10-15 | 1991-10-15 | Linear gain control amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
FI931690A0 FI931690A0 (fi) | 1993-04-14 |
FI931690A true FI931690A (fi) | 1993-04-14 |
Family
ID=24397158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI931690A FI931690A (fi) | 1990-10-15 | 1993-04-14 | Foerstaerkare foer linjaer foerstaerkningsreglering |
Country Status (14)
Country | Link |
---|---|
US (1) | US5099204A (fi) |
EP (1) | EP0553300B1 (fi) |
JP (1) | JPH06504653A (fi) |
KR (1) | KR0138077B1 (fi) |
AT (1) | ATE180121T1 (fi) |
AU (1) | AU648364B2 (fi) |
CA (1) | CA2094133C (fi) |
DE (1) | DE69131230T2 (fi) |
DK (1) | DK0553300T3 (fi) |
FI (1) | FI931690A (fi) |
HK (1) | HK1014808A1 (fi) |
MX (1) | MX9101591A (fi) |
NO (1) | NO303039B1 (fi) |
WO (1) | WO1992007424A1 (fi) |
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 |
US5357207A (en) * | 1993-01-21 | 1994-10-18 | R.F. Monolithics, Inc. | Sequential amplifier |
US5357206A (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 |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6885652B1 (en) * | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial 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 DE DE69131230T patent/DE69131230T2/de not_active Expired - Fee Related
- 1991-10-15 DK DK92902054T patent/DK0553300T3/da active
- 1991-10-15 EP EP92902054A patent/EP0553300B1/en not_active Expired - Lifetime
- 1991-10-15 KR KR1019930701125A patent/KR0138077B1/ko not_active IP Right Cessation
- 1991-10-15 CA CA002094133A patent/CA2094133C/en not_active Expired - Fee Related
- 1991-10-15 AT AT92902054T patent/ATE180121T1/de not_active IP Right Cessation
- 1991-10-15 JP JP4500744A patent/JPH06504653A/ja active Pending
- 1991-10-15 WO PCT/US1991/007702 patent/WO1992007424A1/en active IP Right Grant
- 1991-10-15 AU AU89430/91A patent/AU648364B2/en not_active Ceased
-
1993
- 1993-04-14 FI FI931690A patent/FI931690A/fi unknown
- 1993-04-14 NO NO931376A patent/NO303039B1/no not_active IP Right Cessation
-
1998
- 1998-12-28 HK HK98116160A patent/HK1014808A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1014808A1 (en) | 1999-09-30 |
EP0553300A4 (en) | 1994-06-29 |
AU8943091A (en) | 1992-05-20 |
FI931690A0 (fi) | 1993-04-14 |
US5099204A (en) | 1992-03-24 |
DE69131230T2 (de) | 1999-12-09 |
MX9101591A (es) | 1992-06-05 |
KR930703734A (ko) | 1993-11-30 |
ATE180121T1 (de) | 1999-05-15 |
AU648364B2 (en) | 1994-04-21 |
NO303039B1 (no) | 1998-05-18 |
EP0553300B1 (en) | 1999-05-12 |
JPH06504653A (ja) | 1994-05-26 |
WO1992007424A1 (en) | 1992-04-30 |
CA2094133A1 (en) | 1992-04-16 |
NO931376L (no) | 1993-06-09 |
KR0138077B1 (ko) | 1998-06-15 |
EP0553300A1 (en) | 1993-08-04 |
CA2094133C (en) | 2000-01-11 |
NO931376D0 (no) | 1993-04-14 |
DK0553300T3 (da) | 1999-11-01 |
DE69131230D1 (de) | 1999-06-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI931690A (fi) | Foerstaerkare foer linjaer foerstaerkningsreglering | |
JPS57211812A (en) | Wide band amplifier | |
ATE186427T1 (de) | Schaltungsanordnung zur auswertung von intermodulationsprodukten | |
KR101043222B1 (ko) | 변수 이득 증폭기용 직류보상 루프 | |
EP0259218A3 (en) | Circuit arrangement for providing isolation between the transmission paths of a hands-free subset | |
ATE50672T1 (de) | Schaltungsanordnung zur lautstaerkestellung. | |
KR830004733A (ko) | 위상보상제어 발진기 | |
FI900803A0 (fi) | Kopplingsanordning foer foerening av rf-foerstaerkare och driftspaenningsfilter. | |
JPS5591220A (en) | Bass compensating circuit | |
CA2035820A1 (en) | Amplifier circuit having feedback circuit | |
SU1022289A1 (ru) | Устройство автоматической стабилизации усилени | |
ATE60471T1 (de) | Integriertes tiefpassfilter. | |
DE3276515D1 (en) | Frequency selective amplifier with gain control | |
KR930019060A (ko) | 스피커 주파수 특성 보상 시스템 | |
KR830004723A (ko) | 잡음감쇠회로 | |
JPS57208714A (en) | Push-pull amplifying circuit with direct current feedback | |
JPS56128004A (en) | Muting circuit | |
KR930702825A (ko) | 디코더 제어 필터를 갖는 선택식 호출 수신기 | |
ATE202666T1 (de) | Vorrichtung zur verbesserten darstellung verrauschter bildsignale | |
JPS5787253A (en) | Timing extracting circuit | |
JPS6448505A (en) | Fet load amplifier circuit | |
JPS57127312A (en) | Signal amplifying circuit | |
KR850008764A (ko) | 잡음 감쇠회로 | |
JPS5443663A (en) | Wide band negative feedback amplifier | |
JPS6442701A (en) | Phase compensating circuit |