NL7412912A - Symmetrisch actief filternetwerk. - Google Patents
Symmetrisch actief filternetwerk.Info
- Publication number
- NL7412912A NL7412912A NL7412912A NL7412912A NL7412912A NL 7412912 A NL7412912 A NL 7412912A NL 7412912 A NL7412912 A NL 7412912A NL 7412912 A NL7412912 A NL 7412912A NL 7412912 A NL7412912 A NL 7412912A
- Authority
- NL
- Netherlands
- Prior art keywords
- active filter
- filter network
- symmetric active
- symmetric
- network
- 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
- H03H11/0416—Frequency selective two-port networks using positive impedance converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
- H03H11/48—One-port networks simulating reactances
- H03H11/485—Simulating inductances using operational amplifiers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4586073A GB1442163A (en) | 1973-10-01 | 1973-10-01 | Arrangement for simulating inductance and filter networks incorpo rating such improvements |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7412912A true NL7412912A (nl) | 1975-04-03 |
NL168668B NL168668B (nl) | 1981-11-16 |
NL168668C NL168668C (nl) | 1982-04-16 |
Family
ID=10438875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7412912,A NL168668C (nl) | 1973-10-01 | 1974-10-01 | Filternetwerk, voorzien van een, een zwevende zelfinductie vormende schakeling. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3936777A (nl) |
JP (1) | JPS5065155A (nl) |
CA (1) | CA1011411A (nl) |
DE (1) | DE2446688C3 (nl) |
FR (1) | FR2247018B1 (nl) |
GB (1) | GB1442163A (nl) |
NL (1) | NL168668C (nl) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1547362A (en) * | 1975-03-24 | 1979-06-13 | Post Office | Active amplitude equalizers |
FR2310657A1 (fr) * | 1975-05-06 | 1976-12-03 | Ibm France | Transformateur a elements actifs |
US4046960A (en) * | 1975-12-31 | 1977-09-06 | Veale John R | Audio fidelity frequency equalizer system |
EP0024011B1 (de) * | 1979-08-09 | 1983-08-31 | Siemens Aktiengesellschaft | Elektrische Filterschaltung unter Verwendung von wenigstens einer simulierten Induktivität, die gesteuerte Schalter, Kondensatoren und Verstärker enthält |
US4333157A (en) * | 1980-06-25 | 1982-06-01 | Gte Automatic Electric Laboratories, Inc. | Switched-capacitor floating-inductor simulation circuit |
US4496859A (en) * | 1982-09-30 | 1985-01-29 | Barcus-Berry, Inc. | Notch filter system |
US4663597A (en) * | 1985-12-17 | 1987-05-05 | Thielscher Electronic Gmbh | RC coupling filter, especially an input filter, for receivers of centralized ripple control systems |
JP2609232B2 (ja) * | 1986-09-04 | 1997-05-14 | 日本ヒューレット・パッカード株式会社 | フローテイング駆動回路 |
JP3040035B2 (ja) * | 1992-09-18 | 2000-05-08 | ローム株式会社 | 中間周波増幅回路を備えた受信機 |
US6373573B1 (en) | 2000-03-13 | 2002-04-16 | Lj Laboratories L.L.C. | Apparatus for measuring optical characteristics of a substrate and pigments applied thereto |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3375451A (en) * | 1965-06-17 | 1968-03-26 | Nasa Usa | Adaptive tracking notch filter system |
DE1512673B2 (de) * | 1967-03-09 | 1970-10-01 | Brown, Boveri & Cie Ag, 6800 Mannheim | Mehrstufiger Verstärker mit einem Gegenkopplungskreis über alle Stufen und zusätzlicher Gegenkopplung in mehreren Stufen |
US3473142A (en) * | 1967-12-13 | 1969-10-14 | Automatic Elect Lab | Active parallel-t filter having separate feedback paths |
US3517342A (en) * | 1969-01-17 | 1970-06-23 | Automatic Elect Lab | Circuit for simulating two mutually coupled inductors and filter stage utilizing the same |
US3715680A (en) * | 1971-07-29 | 1973-02-06 | Bell Telephone Labor Inc | Active rc loss equalizer |
US3767861A (en) * | 1972-08-31 | 1973-10-23 | Gte Automatic Electric Lab Inc | 3 to 10 port conference circuit |
-
1973
- 1973-10-01 GB GB4586073A patent/GB1442163A/en not_active Expired
-
1974
- 1974-09-27 US US05/509,968 patent/US3936777A/en not_active Expired - Lifetime
- 1974-09-30 CA CA210,367A patent/CA1011411A/en not_active Expired
- 1974-09-30 DE DE2446688A patent/DE2446688C3/de not_active Expired
- 1974-10-01 JP JP49113234A patent/JPS5065155A/ja active Pending
- 1974-10-01 FR FR7433020A patent/FR2247018B1/fr not_active Expired
- 1974-10-01 NL NLAANVRAGE7412912,A patent/NL168668C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5065155A (nl) | 1975-06-02 |
CA1011411A (en) | 1977-05-31 |
NL168668C (nl) | 1982-04-16 |
FR2247018B1 (nl) | 1978-08-11 |
GB1442163A (en) | 1976-07-07 |
US3936777A (en) | 1976-02-03 |
DE2446688A1 (de) | 1975-04-17 |
NL168668B (nl) | 1981-11-16 |
FR2247018A1 (nl) | 1975-05-02 |
DE2446688B2 (de) | 1978-03-02 |
DE2446688C3 (de) | 1978-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |