SE373996B - - Google Patents
Info
- Publication number
- SE373996B SE373996B SE7111702A SE1170271A SE373996B SE 373996 B SE373996 B SE 373996B SE 7111702 A SE7111702 A SE 7111702A SE 1170271 A SE1170271 A SE 1170271A SE 373996 B SE373996 B SE 373996B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7545670A | 1970-09-25 | 1970-09-25 | |
| US251805A US3919658A (en) | 1970-09-25 | 1972-05-09 | Active RC filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE373996B true SE373996B (no) | 1975-02-17 |
Family
ID=26756888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7111702A SE373996B (no) | 1970-09-25 | 1971-09-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3919658A (no) |
| BE (1) | BE772809A (no) |
| FR (1) | FR2108565A5 (no) |
| GB (1) | GB1347127A (no) |
| NL (1) | NL163919C (no) |
| SE (1) | SE373996B (no) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050023A (en) * | 1976-03-30 | 1977-09-20 | Edgar Albert D | General purpose pole-zero single amplifier active filter |
| US4132966A (en) * | 1977-08-18 | 1979-01-02 | Bell Telephone Laboratories, Incorporated | Single amplifier frequency dependent negative resistor |
| DE2813946C2 (de) * | 1978-03-31 | 1980-01-31 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Filterschaltung mit einer biquadratischen Übertragungsfunktion |
| US4352074A (en) * | 1980-02-01 | 1982-09-28 | Westinghouse Electric Corp. | Phase-locked loop filter |
| US4323798A (en) * | 1980-04-18 | 1982-04-06 | The United States Of America As Represented By The Secretary Of The Air Force | Fast operating switchable operational amplifier driven circuits |
| KR100226594B1 (ko) * | 1995-09-18 | 1999-10-15 | 니시무로 타이죠 | 전자회로 및 이를 이용한 필터장치 |
| JP2004032188A (ja) * | 2002-06-24 | 2004-01-29 | General Res Of Electronics Inc | アクティブフィルタ |
| US8452544B2 (en) * | 2007-03-09 | 2013-05-28 | Chris M. Hymel | Utility and method for the application of signal advance amplification to analog waveform or signal detection, acquisition and processing |
| US20160087602A1 (en) * | 2014-09-24 | 2016-03-24 | Western Digital Technologies, Inc. | Adaptive feedback for power distribution network impedance barrier suppression |
| RU2710295C1 (ru) * | 2018-11-06 | 2019-12-25 | Акционерное Общество "Концерн "Океанприбор" | Активный RC-фильтр нижних частот |
| RU2701038C1 (ru) * | 2019-02-27 | 2019-09-24 | федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) | Полосовой фильтр на двух операционных усилителях с независимой подстройкой основных параметров |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL153042B (nl) * | 1967-04-20 | 1977-04-15 | Siemens Ag | Elektrische, actieve filterschakeling met een versterker met frequentie-afhankelijke tegenkoppeling. |
| US3530395A (en) * | 1967-12-29 | 1970-09-22 | George J Prusha | Differential amplifier system |
| US3566284A (en) * | 1967-12-29 | 1971-02-23 | Bell Telephone Labor Inc | Active rc wave transmission network having a 360 degree non-minimum phase transfer function |
-
1971
- 1971-09-15 SE SE7111702A patent/SE373996B/xx unknown
- 1971-09-20 BE BE772809A patent/BE772809A/xx not_active IP Right Cessation
- 1971-09-21 NL NL7112957.A patent/NL163919C/xx not_active IP Right Cessation
- 1971-09-23 GB GB4431871A patent/GB1347127A/en not_active Expired
- 1971-09-24 FR FR7134542A patent/FR2108565A5/fr not_active Expired
-
1972
- 1972-05-09 US US251805A patent/US3919658A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2108565A5 (no) | 1972-05-19 |
| GB1347127A (en) | 1974-02-27 |
| DE2147556A1 (de) | 1972-04-06 |
| NL163919B (nl) | 1980-05-16 |
| NL7112957A (no) | 1972-03-28 |
| DE2147556B2 (de) | 1975-07-31 |
| NL163919C (nl) | 1980-10-15 |
| BE772809A (fr) | 1972-01-17 |
| US3919658A (en) | 1975-11-11 |