FR873458A - Oscillateurs et amplificateurs à valve thermionique - Google Patents
Oscillateurs et amplificateurs à valve thermioniqueInfo
- Publication number
- FR873458A FR873458A FR873458DA FR873458A FR 873458 A FR873458 A FR 873458A FR 873458D A FR873458D A FR 873458DA FR 873458 A FR873458 A FR 873458A
- Authority
- FR
- France
- Prior art keywords
- amplifiers
- thermionic valve
- valve oscillators
- oscillators
- thermionic
- 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
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/22—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being vacuum tube
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2798/39A GB524314A (en) | 1939-01-27 | 1939-01-27 | Improvements in and relating to thermionic valve oscillators and amplifiers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR873458A true FR873458A (fr) | 1942-07-09 |
Family
ID=9746121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR873458D Expired FR873458A (fr) | 1939-01-27 | 1940-01-26 | Oscillateurs et amplificateurs à valve thermionique |
Country Status (3)
Country | Link |
---|---|
US (1) | US2549553A (fr) |
FR (1) | FR873458A (fr) |
GB (1) | GB524314A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR886261A (fr) * | 1939-10-07 | 1943-10-11 | Lignes Telegraph Telephon | Montagé d'un tube multigrille avec réaction |
US2583943A (en) * | 1947-01-10 | 1952-01-29 | Hewlett Packard Co | Modified wien-bridge oscillator |
BE488413A (fr) * | 1948-04-12 | |||
US2602139A (en) * | 1948-08-10 | 1952-07-01 | Gen Precision Lab Inc | Bridge oscillator |
US2619534A (en) * | 1948-10-25 | 1952-11-25 | Payne Samuel | Tuning circuit for resistor-capacitor oscillators |
US3457526A (en) * | 1965-05-11 | 1969-07-22 | Bell Telephone Labor Inc | Notch filter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB497148A (fr) * | ||||
DE348911C (de) * | 1918-09-10 | 1922-02-21 | Drahtlose Telegraphie Gmbh | Schaltungsweise zur Unterdrueckung nicht gewollter Schwingungen bei Kathodengeneratoren |
US2173427A (en) * | 1937-08-30 | 1939-09-19 | Gen Radio Co | Electric oscillator |
US2268872A (en) * | 1939-07-11 | 1942-01-06 | Hewlett Packard Co | Variable frequency oscillation generator |
-
1939
- 1939-01-27 GB GB2798/39A patent/GB524314A/en not_active Expired
-
1940
- 1940-01-26 FR FR873458D patent/FR873458A/fr not_active Expired
-
1947
- 1947-08-07 US US767065A patent/US2549553A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2549553A (en) | 1951-04-17 |
GB524314A (en) | 1940-08-02 |
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