FR868650A - Montage d'entrée symétrique pour amplificateurs accouplés en opposition - Google Patents
Montage d'entrée symétrique pour amplificateurs accouplés en oppositionInfo
- Publication number
- FR868650A FR868650A FR868650DA FR868650A FR 868650 A FR868650 A FR 868650A FR 868650D A FR868650D A FR 868650DA FR 868650 A FR868650 A FR 868650A
- Authority
- FR
- France
- Prior art keywords
- opposition
- input circuit
- balanced input
- amplifiers coupled
- amplifiers
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/0039—Two position height adjustable table
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE214293X | 1939-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR868650A true FR868650A (fr) | 1942-01-09 |
Family
ID=5817929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868650D Expired FR868650A (fr) | 1939-04-06 | 1940-12-30 | Montage d'entrée symétrique pour amplificateurs accouplés en opposition |
Country Status (4)
Country | Link |
---|---|
US (1) | US2313014A (sv) |
CH (1) | CH214293A (sv) |
FR (1) | FR868650A (sv) |
NL (2) | NL97451B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2573523A (en) * | 1946-06-24 | 1951-10-30 | Gen Electric | Feedback amplifier |
DE820451C (de) * | 1950-02-09 | 1951-11-12 | Telefunken Gmbh | Niederfrequenzverstaerker mit Spannungsgegenkopplung |
US3439280A (en) * | 1965-09-23 | 1969-04-15 | Siemens Ag | Circuit arrangement for the regulation of dynamics of electrical signals |
US3638133A (en) * | 1970-04-10 | 1972-01-25 | Bell Telephone Labor Inc | Feedback amplifier with bridge-stabilized output impedance |
-
0
- NL NL53937D patent/NL53937C/xx active
- NL NL97451D patent/NL97451B/xx unknown
-
1940
- 1940-03-30 CH CH214293D patent/CH214293A/de unknown
- 1940-05-23 US US336777A patent/US2313014A/en not_active Expired - Lifetime
- 1940-12-30 FR FR868650D patent/FR868650A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL97451B (sv) | |
CH214293A (de) | 1941-04-15 |
US2313014A (en) | 1943-03-02 |
NL53937C (sv) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR849288A (fr) | Perfectionnements aux radio-compas | |
FR920293A (fr) | Microphone | |
FR868650A (fr) | Montage d'entrée symétrique pour amplificateurs accouplés en opposition | |
FR821513A (fr) | échardonneur | |
FR834014A (fr) | Support flexible pour piquets | |
FR827120A (fr) | Sous-pique pour contrebasse et violoncelle | |
FR824791A (fr) | écran pour ventilateur | |
FR821637A (fr) | Mallette | |
FR836033A (fr) | Sonnette pour bicyclette | |
FR842499A (fr) | Poudrier | |
FR841530A (fr) | Hydroglisseur | |
FR844139A (fr) | Perfectionnements aux caisses pour véhicules | |
FR823128A (fr) | Charnière pour meubles | |
FR818103A (fr) | Verseur | |
FR832853A (fr) | Rétroviseur | |
FR831216A (fr) | Montage d'entrée pour récepteurs hétérodynes | |
FR820485A (fr) | Perfectionnements apportés aux pinces pour jarretelles | |
FR825826A (fr) | Miroir magique | |
FR838495A (fr) | Noyaux agglomérés | |
FR835245A (fr) | écouteur téléphonique | |
FR823141A (fr) | Mallette | |
FR839170A (fr) | Table d'écoute | |
FI19620A (fi) | Kirjatuki | |
CH202986A (de) | Münzfernsprecher. | |
FR832974A (fr) | Perfectionnements aux circuits d'amplificateurs |