NO780592L - Vekselspenningsforsterker med styrbar forsterkning - Google Patents
Vekselspenningsforsterker med styrbar forsterkningInfo
- Publication number
- NO780592L NO780592L NO780592A NO780592A NO780592L NO 780592 L NO780592 L NO 780592L NO 780592 A NO780592 A NO 780592A NO 780592 A NO780592 A NO 780592A NO 780592 L NO780592 L NO 780592L
- Authority
- NO
- Norway
- Prior art keywords
- amplifier
- controllable
- resistor
- resistance
- amplifier according
- Prior art date
Links
- 230000002787 reinforcement Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000005669 field effect Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using FET type devices
Landscapes
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772707609 DE2707609A1 (de) | 1977-02-22 | 1977-02-22 | In seiner verstaerkung steuerbarer wechselspannungsverstaerker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO780592L true NO780592L (no) | 1978-08-23 |
Family
ID=6001874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO780592A NO780592L (no) | 1977-02-22 | 1978-02-21 | Vekselspenningsforsterker med styrbar forsterkning |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4216434A (it) |
| JP (1) | JPS53104145A (it) |
| AT (1) | AT365018B (it) |
| DE (1) | DE2707609A1 (it) |
| FR (1) | FR2381416A1 (it) |
| GB (1) | GB1597032A (it) |
| IT (1) | IT1092347B (it) |
| NO (1) | NO780592L (it) |
| ZA (1) | ZA78758B (it) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2812431A1 (de) * | 1978-03-22 | 1979-09-27 | Licentia Gmbh | Verstaerker mit veraenderbarem uebertragungsmass |
| JPS59156007A (ja) * | 1983-02-25 | 1984-09-05 | Hitachi Ltd | 増幅回路 |
| JPS634225A (ja) * | 1986-06-24 | 1988-01-09 | Asahi Optical Co Ltd | 電子シャッターカメラの測光アンプ |
| DE3627056A1 (de) * | 1986-08-09 | 1988-02-18 | Thomson Brandt Gmbh | Schaltung zur dynamik-kompression oder -expansion in einem nutzsignalweg |
| DE3642984A1 (de) * | 1986-12-17 | 1988-06-30 | Thomson Brandt Gmbh | Schaltung zur dynamik-kompression und/oder -expansion eines signals |
| US4868515A (en) * | 1988-10-21 | 1989-09-19 | The United States Of America As Represented By The Secretary Of The Navy | Narrow-bandwidth unstable laser resonator |
| US5138280A (en) * | 1991-12-05 | 1992-08-11 | Ford Motor Company | Multichannel amplifier with gain matching |
| US5175508A (en) * | 1991-12-05 | 1992-12-29 | Ford Motor Company | Voltage-controlled amplifier using operational amplifier |
| US5412346A (en) * | 1993-12-13 | 1995-05-02 | At&T Corp. | Variable gain voltage signal amplifier |
| JPH10290127A (ja) * | 1997-04-17 | 1998-10-27 | Rohm Co Ltd | 電流／電圧変換ｉｃ及び光電気変換ｉｃ |
| DE69917822T2 (de) * | 1998-02-23 | 2005-06-16 | Canon K.K. | Operationsverstärker |
| JP2000101355A (ja) * | 1998-09-17 | 2000-04-07 | Fujitsu Ltd | 増幅回路及びそれを備えた半導体集積回路 |
| JP3496612B2 (ja) * | 2000-02-04 | 2004-02-16 | ヤマハ株式会社 | 電子ボリューム回路 |
| ITSV20010016A1 (it) * | 2001-05-28 | 2002-11-28 | Esaote Spa | Amplificatore a guadagno variabile e basso rumore per sengali di ricezione di macchine per il rilevamento di immagini mediante ultrasuoni o |
| US7224153B2 (en) * | 2005-04-26 | 2007-05-29 | Texas Instruments Incorporated | Apparatus and method to compensate for effects of load capacitance on power regulator |
| US7262655B2 (en) * | 2005-04-28 | 2007-08-28 | Freescale Semiconductor, Inc. | High bandwidth resistor |
| EP2205706A1 (en) * | 2007-10-15 | 2010-07-14 | Dow Global Technologies Inc. | Functional fluid composition for improving lubricity of a braking system |
| JP5116540B2 (ja) * | 2008-04-09 | 2013-01-09 | ルネサスエレクトロニクス株式会社 | フィルタ回路及び受信装置 |
| KR102584245B1 (ko) * | 2021-06-07 | 2023-10-05 | 주식회사 에스이피엔지니어링 | 스위칭전원용 pwm 제어장치 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3569603A (en) * | 1968-08-01 | 1971-03-09 | Hammond Corp | Moving formant band-pass amplifier for an electronic musical instrument |
| DE2013365B2 (de) * | 1970-03-20 | 1972-08-03 | Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart | Mehrstufiger transistorverstaerker fuer schwerhoerigengeraete |
| US3679986A (en) * | 1970-09-04 | 1972-07-25 | Ibm | Non-linear feedback gain control and peak detector system |
-
1977
- 1977-02-22 DE DE19772707609 patent/DE2707609A1/de not_active Ceased
-
1978
- 1978-01-23 GB GB2583/78A patent/GB1597032A/en not_active Expired
- 1978-02-02 IT IT19910/78A patent/IT1092347B/it active
- 1978-02-08 ZA ZA00780758A patent/ZA78758B/xx unknown
- 1978-02-08 AT AT0087778A patent/AT365018B/de not_active IP Right Cessation
- 1978-02-17 JP JP1750178A patent/JPS53104145A/ja active Pending
- 1978-02-21 NO NO780592A patent/NO780592L/no unknown
- 1978-02-22 FR FR7805105A patent/FR2381416A1/fr active Granted
- 1978-05-18 US US06/040,213 patent/US4216434A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATA87778A (de) | 1981-04-15 |
| FR2381416B3 (it) | 1980-11-28 |
| AT365018B (de) | 1981-12-10 |
| US4216434A (en) | 1980-08-05 |
| GB1597032A (en) | 1981-09-03 |
| ZA78758B (en) | 1979-01-31 |
| JPS53104145A (en) | 1978-09-11 |
| IT1092347B (it) | 1985-07-06 |
| DE2707609A1 (de) | 1978-08-24 |
| IT7819910A0 (it) | 1978-02-02 |
| FR2381416A1 (fr) | 1978-09-15 |
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