FR854456A - Filtre de bande - Google Patents
Filtre de bandeInfo
- Publication number
- FR854456A FR854456A FR854456DA FR854456A FR 854456 A FR854456 A FR 854456A FR 854456D A FR854456D A FR 854456DA FR 854456 A FR854456 A FR 854456A
- Authority
- FR
- France
- Prior art keywords
- band filter
- band
- filter
- Prior art date
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US208718A US2185389A (en) | 1938-05-09 | 1938-05-09 | Feedback amplifier filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR854456A true FR854456A (fr) | 1940-04-16 |
Family
ID=22775740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR854456D Expired FR854456A (fr) | 1938-05-09 | 1939-05-08 | Filtre de bande |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2185389A (fr) |
| FR (1) | FR854456A (fr) |
| GB (1) | GB528252A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2605358A (en) * | 1946-01-30 | 1952-07-29 | Leland K Neher | Low pass filter |
| BE529361A (fr) * | 1953-06-08 | |||
| GB0313781D0 (en) * | 2003-06-13 | 2003-07-23 | Sepura Ltd | Amplifier impedance matching |
-
1938
- 1938-05-09 US US208718A patent/US2185389A/en not_active Expired - Lifetime
-
1939
- 1939-04-27 GB GB12692/39A patent/GB528252A/en not_active Expired
- 1939-05-08 FR FR854456D patent/FR854456A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2185389A (en) | 1940-01-02 |
| GB528252A (en) | 1940-10-25 |
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