FR2630275B1 - - Google Patents
Info
- Publication number
- FR2630275B1 FR2630275B1 FR8904919A FR8904919A FR2630275B1 FR 2630275 B1 FR2630275 B1 FR 2630275B1 FR 8904919 A FR8904919 A FR 8904919A FR 8904919 A FR8904919 A FR 8904919A FR 2630275 B1 FR2630275 B1 FR 2630275B1
- Authority
- FR
- France
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/025—Equalizers; Volume or gain control in limited frequency bands
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/182,564 US4868516A (en) | 1988-04-14 | 1988-04-14 | Alternating current amplifier with digitally controlled frequency response |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2630275A1 FR2630275A1 (fr) | 1989-10-20 |
| FR2630275B1 true FR2630275B1 (US06724976-20040420-M00002.png) | 1994-04-22 |
Family
ID=22669024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8904919A Granted FR2630275A1 (fr) | 1988-04-14 | 1989-04-13 | Amplificateur de courant alternatif et procede de neutralisation de la capacite d'entree d'un circuit amplificateur de tension |
Country Status (7)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02266708A (ja) * | 1989-04-07 | 1990-10-31 | Pioneer Electron Corp | 増幅器の周波数特性設定回路 |
| US5066923A (en) * | 1990-10-31 | 1991-11-19 | Motorola, Inc. | Linear transmitter training method and apparatus |
| US5231360A (en) * | 1992-06-17 | 1993-07-27 | Texas Instruments Incorporated | Multi-range voltage amplifier having multiplying digital/analog converters and programmable filter using multiplying DAC in feedback loop |
| EP0579875B1 (en) * | 1992-07-24 | 1997-09-10 | Alcatel | Quality factor tuning system |
| US5508570A (en) * | 1993-01-27 | 1996-04-16 | Micro Linear Corporation | Differential amplifier based integrator having a left-half plane pole |
| US5451904A (en) * | 1993-03-26 | 1995-09-19 | Mitsumi Electric Co., Ltd. | Amplifying circuit in which variable impedance circuit is used in negative feedback circuit |
| US5719526A (en) * | 1994-11-09 | 1998-02-17 | Crest Audio, Inc. | Internal load monitor for amplifier |
| US5652544A (en) * | 1994-11-09 | 1997-07-29 | Crest Audio Inc. | Apparatus and method for programming an amplifier |
| US5652542A (en) * | 1994-11-09 | 1997-07-29 | Crest Audio, Inc. | Digital signal processor for amplifier |
| DE19619750A1 (de) * | 1996-05-15 | 1997-11-20 | Thomson Brandt Gmbh | Verstärkerschaltung mit Filter für digitale und analoge Signale |
| US5805006A (en) * | 1997-04-28 | 1998-09-08 | Marvell Technology Group, Ltd. | Controllable integrator |
| US6226322B1 (en) * | 1998-03-30 | 2001-05-01 | Texas Instruments Incorporated | Analog receive equalizer for digital-subscriber-line communications system |
| US6741449B1 (en) * | 1999-08-18 | 2004-05-25 | Bridgewave Communications, Inc. | Direct digitally tunable microwave oscillators and filters |
| US6232834B1 (en) * | 2000-02-09 | 2001-05-15 | Marvell International Ltd. | Calibrated compensation for an operational amplifier |
| US6344773B1 (en) * | 2000-10-20 | 2002-02-05 | Linear Technology Corporation | Flexible monolithic continuous-time analog low-pass filter with minimal circuitry |
| US7054372B2 (en) * | 2000-12-15 | 2006-05-30 | Lucent Technologies Inc. | Digital transmission line tap circuit |
| US6754288B2 (en) * | 2000-12-26 | 2004-06-22 | Nortel Networks Limited | Line receiver with improved dynamic range |
| US6664858B2 (en) * | 2001-07-25 | 2003-12-16 | International Business Machines Corporation | Adjustable peaking capacitor in high-speed optical fiber communication receiver |
| US8731007B2 (en) * | 2005-12-30 | 2014-05-20 | Remec Broadband Wireless, Llc | Digital microwave radio link with a variety of ports |
| US8711888B2 (en) * | 2005-12-30 | 2014-04-29 | Remec Broadband Wireless Llc | Digital microwave radio link with adaptive data rate |
| US8799218B2 (en) * | 2006-12-01 | 2014-08-05 | Ebay Inc. | Business channel synchronization |
| CN101325402B (zh) * | 2007-06-15 | 2010-09-29 | 展讯通信（上海）有限公司 | 一种改善低频性能的音频功率放大器装置 |
| WO2009136329A1 (en) * | 2008-05-06 | 2009-11-12 | Nxp B.V. | Calibration of linear time-invariant system's step response |
| KR101477699B1 (ko) | 2012-05-04 | 2015-01-06 | 삼성전자주식회사 | 디지털 코드에 따라 지수적으로 제어되는 차단주파수 특성을 갖는 필터 및 증폭기 |
| US11309854B1 (en) | 2021-01-26 | 2022-04-19 | Saudi Arabian Oil Company | Digitally controlled grounded capacitance multiplier |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH405764A (de) * | 1963-10-01 | 1966-01-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zur elektrischen Ferneinstellung der virtuellen Messfeldausdehnung von Messorganen in elektronischen Überwachungsgeräten, insbesondere der Textilindustrie |
| US3643173A (en) * | 1970-05-18 | 1972-02-15 | Gen Electric | Tuneable microelectronic active band-pass filter |
| DE2262089C3 (de) * | 1972-12-19 | 1975-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller |
| JPS54134950A (en) * | 1978-04-12 | 1979-10-19 | Matsushita Electric Works Ltd | Detection circuit for voltage range |
| US4481466A (en) * | 1980-11-03 | 1984-11-06 | Coulter Electronics, Inc. | Pulse amplifying system |
| US4540952A (en) * | 1981-09-08 | 1985-09-10 | At&T Bell Laboratories | Nonintegrating receiver |
| US4481480A (en) * | 1982-10-04 | 1984-11-06 | Tektronix, Inc. | Feedback amplifier having a voltage-controlled compensation circuit |
| GB2190255B (en) * | 1986-04-30 | 1989-11-29 | Philips Electronic Associated | Electrical filter |
| JPS62293812A (ja) * | 1986-06-13 | 1987-12-21 | Hitachi Ltd | 半導体集積回路装置 |
-
1988
- 1988-04-14 US US07/182,564 patent/US4868516A/en not_active Expired - Fee Related
-
1989
- 1989-03-31 CA CA000595303A patent/CA1307328C/en not_active Expired - Fee Related
- 1989-04-03 GB GB8907483A patent/GB2217942B/en not_active Expired - Fee Related
- 1989-04-13 FR FR8904919A patent/FR2630275A1/fr active Granted
- 1989-04-13 DE DE3912211A patent/DE3912211A1/de active Granted
- 1989-04-14 CN CN89102280.5A patent/CN1014759B/zh not_active Expired
- 1989-04-14 JP JP1096196A patent/JPH0666619B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3912211A1 (de) | 1989-10-26 |
| GB8907483D0 (en) | 1989-05-17 |
| JPH0666619B2 (ja) | 1994-08-24 |
| US4868516A (en) | 1989-09-19 |
| CN1014759B (zh) | 1991-11-13 |
| FR2630275A1 (fr) | 1989-10-20 |
| CN1040719A (zh) | 1990-03-21 |
| CA1307328C (en) | 1992-09-08 |
| JPH0284805A (ja) | 1990-03-26 |
| GB2217942B (en) | 1993-03-10 |
| DE3912211C2 (US06724976-20040420-M00002.png) | 1993-07-15 |
| GB2217942A (en) | 1989-11-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |