BR7900733A - Filtro ativo - Google Patents
Filtro ativoInfo
- Publication number
- BR7900733A BR7900733A BR7900733A BR7900733A BR7900733A BR 7900733 A BR7900733 A BR 7900733A BR 7900733 A BR7900733 A BR 7900733A BR 7900733 A BR7900733 A BR 7900733A BR 7900733 A BR7900733 A BR 7900733A
- Authority
- BR
- Brazil
- Prior art keywords
- active filter
- filter
- active
- Prior art date
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
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/876,307 US4156853A (en) | 1978-02-09 | 1978-02-09 | Active filter for providing improved notch and band pass filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7900733A true BR7900733A (pt) | 1979-09-04 |
Family
ID=25367397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7900733A BR7900733A (pt) | 1978-02-09 | 1979-02-07 | Filtro ativo |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4156853A (pt) |
| JP (1) | JPS54114953A (pt) |
| BE (1) | BE874079A (pt) |
| BR (1) | BR7900733A (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2707575C2 (de) * | 1977-02-22 | 1979-03-15 | Alwin Dipl.-Ing. 4476 Werlte Luttmann | Verfahren zur Analyse des Frequenzganges elektrischer Signale |
| US4257006A (en) * | 1979-01-25 | 1981-03-17 | The Regents Of The University Of Minnesota | Integrable analog active filter and method of same |
| JPH0293831U (pt) * | 1989-01-13 | 1990-07-25 | ||
| FI103744B1 (fi) | 1997-10-15 | 1999-08-31 | Nokia Mobile Phones Ltd | Menetelmä ja järjestely aktiivisuotimen kalibroimiseksi |
| EP1250639A2 (en) * | 2000-01-27 | 2002-10-23 | Primarion, Inc. | Method and apparatus for distributing power to an integrated circuit |
| US6611174B1 (en) * | 2002-05-10 | 2003-08-26 | Adam J. Sherman | Self-compensated transimpedance amplifier |
| CN102067457B (zh) * | 2008-04-28 | 2013-06-05 | 松下电器产业株式会社 | 积分器、谐振器以及过采样a/d转换器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3356962A (en) * | 1964-04-10 | 1967-12-05 | Electro Scient Ind Inc | Frequency selective amplifier-oscillator having multiple feedback paths |
-
1978
- 1978-02-09 US US05/876,307 patent/US4156853A/en not_active Expired - Lifetime
-
1979
- 1979-02-07 BR BR7900733A patent/BR7900733A/pt unknown
- 1979-02-09 BE BE0/193389A patent/BE874079A/xx not_active IP Right Cessation
- 1979-02-09 JP JP1346279A patent/JPS54114953A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE874079A (fr) | 1979-08-09 |
| US4156853A (en) | 1979-05-29 |
| JPS54114953A (en) | 1979-09-07 |
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