HK9496A - Circuit arrangement for automatic gain control - Google Patents
Circuit arrangement for automatic gain controlInfo
- Publication number
- HK9496A HK9496A HK9496A HK9496A HK9496A HK 9496 A HK9496 A HK 9496A HK 9496 A HK9496 A HK 9496A HK 9496 A HK9496 A HK 9496A HK 9496 A HK9496 A HK 9496A
- Authority
- HK
- Hong Kong
- Prior art keywords
- signal
- automatic gain
- input terminal
- gain control
- circuit arrangement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3926272A DE3926272A1 (de) | 1989-08-09 | 1989-08-09 | Schaltungsanordnung zur automatischen verstaerkungsregelung |
Publications (1)
Publication Number | Publication Date |
---|---|
HK9496A true HK9496A (en) | 1996-01-26 |
Family
ID=6386778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK9496A HK9496A (en) | 1989-08-09 | 1996-01-18 | Circuit arrangement for automatic gain control |
Country Status (15)
Country | Link |
---|---|
US (1) | US5228063A (xx) |
EP (1) | EP0486538B1 (xx) |
JP (1) | JP3323194B2 (xx) |
CN (1) | CN1047269C (xx) |
AT (1) | ATE113768T1 (xx) |
AU (1) | AU6059590A (xx) |
DD (1) | DD298979A5 (xx) |
DE (2) | DE3926272A1 (xx) |
ES (1) | ES2063976T3 (xx) |
FI (1) | FI920532A0 (xx) |
HK (1) | HK9496A (xx) |
HU (1) | HU206570B (xx) |
MY (1) | MY105930A (xx) |
TR (1) | TR24701A (xx) |
WO (1) | WO1991002406A1 (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07201050A (ja) * | 1993-12-31 | 1995-08-04 | Nippon Conlux Co Ltd | 光学的記録再生装置 |
JPH1196578A (ja) * | 1997-09-19 | 1999-04-09 | Nec Corp | 光情報検出装置 |
JP2001197139A (ja) * | 2000-01-11 | 2001-07-19 | Fujitsu Ltd | Agc回路及びデータ通信装置 |
CN100385794C (zh) * | 2004-12-17 | 2008-04-30 | 北京中星微电子有限公司 | 一种信号处理方法及装置 |
US7501895B2 (en) * | 2006-06-09 | 2009-03-10 | Seagate Technology Llc | Channel state aided automatic gain control |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0237682B1 (en) * | 1985-12-24 | 1991-02-27 | Kabushiki Kaisha Toshiba | Control system for optical information reproducing apparatus |
JPS62293522A (ja) * | 1986-06-13 | 1987-12-21 | Pioneer Electronic Corp | 記録デイスク再生装置 |
US4789995A (en) * | 1987-05-01 | 1988-12-06 | Silicon Systems Inc. | Synchronous timer anti-alias filter and gain stage |
US5084791A (en) * | 1988-05-10 | 1992-01-28 | Quantum Corporation | Head position control system for fixed drive including position encoder, temperature sensor and embedded fine servo information |
-
1989
- 1989-08-09 DE DE3926272A patent/DE3926272A1/de not_active Withdrawn
-
1990
- 1990-07-11 DE DE59007650T patent/DE59007650D1/de not_active Expired - Fee Related
- 1990-07-11 EP EP90911753A patent/EP0486538B1/de not_active Expired - Lifetime
- 1990-07-11 JP JP51082390A patent/JP3323194B2/ja not_active Expired - Fee Related
- 1990-07-11 AT AT90911753T patent/ATE113768T1/de not_active IP Right Cessation
- 1990-07-11 HU HU92375A patent/HU206570B/hu not_active IP Right Cessation
- 1990-07-11 WO PCT/EP1990/001127 patent/WO1991002406A1/de active IP Right Grant
- 1990-07-11 ES ES90911753T patent/ES2063976T3/es not_active Expired - Lifetime
- 1990-07-11 AU AU60595/90A patent/AU6059590A/en not_active Abandoned
- 1990-08-07 DD DD90343287A patent/DD298979A5/de unknown
- 1990-08-08 CN CN90106757A patent/CN1047269C/zh not_active Expired - Fee Related
- 1990-08-08 MY MYPI90001323A patent/MY105930A/en unknown
- 1990-08-27 TR TR90/0726A patent/TR24701A/xx unknown
-
1992
- 1992-02-07 FI FI920532A patent/FI920532A0/fi not_active Application Discontinuation
- 1992-02-21 US US07/840,054 patent/US5228063A/en not_active Expired - Lifetime
-
1996
- 1996-01-18 HK HK9496A patent/HK9496A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3926272A1 (de) | 1991-02-14 |
WO1991002406A1 (de) | 1991-02-21 |
ES2063976T3 (es) | 1995-01-16 |
MY105930A (en) | 1995-02-28 |
JPH05503817A (ja) | 1993-06-17 |
CN1049430A (zh) | 1991-02-20 |
CN1047269C (zh) | 1999-12-08 |
ATE113768T1 (de) | 1994-11-15 |
TR24701A (tr) | 1992-03-01 |
EP0486538B1 (de) | 1994-11-02 |
DD298979A5 (de) | 1992-03-19 |
JP3323194B2 (ja) | 2002-09-09 |
HUT60072A (en) | 1992-07-28 |
DE59007650D1 (de) | 1994-12-08 |
EP0486538A1 (de) | 1992-05-27 |
US5228063A (en) | 1993-07-13 |
AU6059590A (en) | 1991-03-11 |
FI920532A0 (fi) | 1992-02-07 |
HU9200375D0 (en) | 1992-04-28 |
HU206570B (en) | 1992-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0361452A3 (en) | Digital automatic gain control apparatus and method | |
GB8723262D0 (en) | Automatic gain control of signal | |
ZA877199B (en) | Digital signal gain control circuitry for varying digital signals in substantially equal db steps | |
MX9504418A (es) | Sincronizacion automatica de un circuito para control de posicion para un servo dispositivo. | |
HUT40861A (en) | Method and circuit arrangement for converting frequency modulated signals through minimum one intermediate frequency into low frequency signal | |
DE3669250D1 (de) | Videosignalpegelsteuerung. | |
EP0178044A3 (en) | Analogue-to-digital converting apparatus for video signals | |
CA2088750A1 (en) | Linearized output control of a nonlinear amplifier | |
HUT60072A (en) | Circuit arrangement for automatic gain control | |
JPS57181212A (en) | Method of amplifying analog low frequency signal and switching amplifier | |
JPS5658306A (en) | Automatic gain control circuit | |
DE3885948D1 (de) | Schaltung zur PCM-Wandlung eines analogen Signals mit verbessertem Verstärkungsabgleich. | |
SE8206124L (sv) | Forfarande och anordning for adaptiv analog/digital-omvandling | |
EP0415209A3 (en) | Abc circuit | |
ES8708079A1 (es) | Un aparato para grabar y-o reproducir senales moduladas en codigo de impulsos. | |
ES8703068A1 (es) | Aparato para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits. | |
AU7880187A (en) | Digital signal gain control circuitry for varying digital signals in substantially equal DB steps | |
EP0163409A3 (en) | Gain control in integrated circuits | |
JPS5787610A (en) | Analog gain control system | |
JPS6437121A (en) | Ad converting circuit | |
JPS57109491A (en) | Color temperature compensation circuit | |
EP0219338A3 (en) | Digital color signal processing circuit | |
JPS5635585A (en) | Automatic color signal control device | |
JPS5389646A (en) | Automatic gain control circuit | |
JPS5765914A (en) | Noise reducing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20080711 |