FR2826525B1 - Systeme d'amplification d'un signal hertzien de decodeur de signaux de television comportant un tel systeme - Google Patents
Systeme d'amplification d'un signal hertzien de decodeur de signaux de television comportant un tel systemeInfo
- Publication number
- FR2826525B1 FR2826525B1 FR0108206A FR0108206A FR2826525B1 FR 2826525 B1 FR2826525 B1 FR 2826525B1 FR 0108206 A FR0108206 A FR 0108206A FR 0108206 A FR0108206 A FR 0108206A FR 2826525 B1 FR2826525 B1 FR 2826525B1
- Authority
- FR
- France
- Prior art keywords
- signal
- amplifying
- decoder
- television
- radio
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
- H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
- H03M1/185—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108206A FR2826525B1 (fr) | 2001-06-21 | 2001-06-21 | Systeme d'amplification d'un signal hertzien de decodeur de signaux de television comportant un tel systeme |
EP02732884A EP1421683A2 (fr) | 2001-06-21 | 2002-05-24 | Systeme d'amplification d'un signal hertzien et decodeur de signaux de television comportant un tel systeme |
PCT/FR2002/001759 WO2003001689A2 (fr) | 2001-06-21 | 2002-05-24 | Systeme d'amplification d'un signal hertzien et decodeur de signaux de television comportant un tel systeme |
KR1020037016572A KR100753589B1 (ko) | 2001-06-21 | 2002-05-24 | 무선 신호 증폭 시스템 및 하나의 이러한 시스템을포함하는 텔레비전 신호 디코더 |
US10/481,014 US7054604B2 (en) | 2001-06-21 | 2002-05-24 | Wireless signal amplification system and a television signal decoder comprising one such system |
AU2002304493A AU2002304493A1 (en) | 2001-06-21 | 2002-05-24 | Wireless signal amplification system and a television signal decoder comprising one such system |
CNB028123271A CN1258261C (zh) | 2001-06-21 | 2002-05-24 | 无线信号放大系统和包括所述系统的电视信号译码器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108206A FR2826525B1 (fr) | 2001-06-21 | 2001-06-21 | Systeme d'amplification d'un signal hertzien de decodeur de signaux de television comportant un tel systeme |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2826525A1 FR2826525A1 (fr) | 2002-12-27 |
FR2826525B1 true FR2826525B1 (fr) | 2003-10-03 |
Family
ID=8864619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0108206A Expired - Lifetime FR2826525B1 (fr) | 2001-06-21 | 2001-06-21 | Systeme d'amplification d'un signal hertzien de decodeur de signaux de television comportant un tel systeme |
Country Status (7)
Country | Link |
---|---|
US (1) | US7054604B2 (fr) |
EP (1) | EP1421683A2 (fr) |
KR (1) | KR100753589B1 (fr) |
CN (1) | CN1258261C (fr) |
AU (1) | AU2002304493A1 (fr) |
FR (1) | FR2826525B1 (fr) |
WO (1) | WO2003001689A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2863419A1 (fr) * | 2003-12-09 | 2005-06-10 | Thales Sa | Controle automatique du gain d'un recepteur numerique pour reception de signaux a enveloppes discontinues |
DE602005015438D1 (de) * | 2005-08-04 | 2009-08-27 | Dibcom | Verfahren und Vorrichtung zur automatischen Verstärkungsregelung mit geringem Jitter |
US7583755B2 (en) | 2005-08-12 | 2009-09-01 | Ati Technologies, Inc. | Systems, methods, and apparatus for mitigation of nonlinear distortion |
EP1923993A1 (fr) | 2006-11-08 | 2008-05-21 | Dibcom | Méthode et dispositif de digitalisation d'un signal analogique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0413311A3 (en) * | 1989-08-16 | 1991-10-30 | Hitachi, Ltd. | A radio receiver and a radio receiver using a direct conversion |
FR2713846B1 (fr) * | 1993-12-07 | 1996-01-05 | Thomson Csf | Procédé de commande automatique de gain dans un récepteur radio numérique et récepteur mettant en Óoeuvre ce procédé. |
US5907798A (en) * | 1996-06-21 | 1999-05-25 | Lucent Technologies Inc. | Wireless telephone intermodulation performance enhancement techniques |
FR2788391A1 (fr) * | 1999-01-11 | 2000-07-13 | Cit Alcatel | Recepteur radioelectrique ou electrique et son utilisation |
DE60132002T2 (de) * | 2000-10-10 | 2008-12-04 | Nxp B.V. | Verstärkerschaltung mit hoher linearität |
US6687491B2 (en) * | 2002-01-18 | 2004-02-03 | Sony Corporation | Direct conversion of low power high linearity receiver |
KR100480646B1 (ko) * | 2003-04-17 | 2005-03-31 | 삼성전자주식회사 | 잡음이 많은 다중 경로 채널에 적응하여 신호를안정적으로 포착 추적하는 자동 이득 제어기, 이를 구비한디지털 텔레비전 수신 장치 및 그 방법 |
-
2001
- 2001-06-21 FR FR0108206A patent/FR2826525B1/fr not_active Expired - Lifetime
-
2002
- 2002-05-24 CN CNB028123271A patent/CN1258261C/zh not_active Expired - Fee Related
- 2002-05-24 AU AU2002304493A patent/AU2002304493A1/en not_active Abandoned
- 2002-05-24 EP EP02732884A patent/EP1421683A2/fr not_active Withdrawn
- 2002-05-24 KR KR1020037016572A patent/KR100753589B1/ko active IP Right Grant
- 2002-05-24 WO PCT/FR2002/001759 patent/WO2003001689A2/fr not_active Application Discontinuation
- 2002-05-24 US US10/481,014 patent/US7054604B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2002304493A1 (en) | 2003-01-08 |
WO2003001689A3 (fr) | 2004-02-12 |
CN1258261C (zh) | 2006-05-31 |
WO2003001689A2 (fr) | 2003-01-03 |
US7054604B2 (en) | 2006-05-30 |
EP1421683A2 (fr) | 2004-05-26 |
US20040171362A1 (en) | 2004-09-02 |
CN1543706A (zh) | 2004-11-03 |
KR100753589B1 (ko) | 2007-08-30 |
KR20040010745A (ko) | 2004-01-31 |
FR2826525A1 (fr) | 2002-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |
Owner name: PARROT, FR Effective date: 20130515 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
TP | Transmission of property |
Owner name: PARROT AUTOMOTIVE, FR Effective date: 20151201 |
|
PLFP | Fee payment |
Year of fee payment: 16 |
|
PLFP | Fee payment |
Year of fee payment: 17 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
PLFP | Fee payment |
Year of fee payment: 19 |
|
PLFP | Fee payment |
Year of fee payment: 20 |