NL7901324A - Versterker met symmetrische brugschakeling. - Google Patents
Versterker met symmetrische brugschakeling.Info
- Publication number
- NL7901324A NL7901324A NL7901324A NL7901324A NL7901324A NL 7901324 A NL7901324 A NL 7901324A NL 7901324 A NL7901324 A NL 7901324A NL 7901324 A NL7901324 A NL 7901324A NL 7901324 A NL7901324 A NL 7901324A
- Authority
- NL
- Netherlands
- Prior art keywords
- amplifier
- bridge connection
- symmetric bridge
- symmetric
- connection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2807304A DE2807304C2 (de) | 1978-02-21 | 1978-02-21 | Schaltungsanordnung zum Verstärken eines in einer aus einer Teilnehmeranschlußleitung gespeisten Endstelle einer Fernmeldeanlage erzeugten Signals |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7901324A true NL7901324A (nl) | 1979-08-23 |
Family
ID=6032506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7901324A NL7901324A (nl) | 1978-02-21 | 1979-02-20 | Versterker met symmetrische brugschakeling. |
Country Status (7)
Country | Link |
---|---|
AT (1) | ATA131379A (fr) |
AU (1) | AU526550B2 (fr) |
BE (1) | BE874270A (fr) |
DE (1) | DE2807304C2 (fr) |
FR (1) | FR2417889A1 (fr) |
IT (1) | IT1111510B (fr) |
NL (1) | NL7901324A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE417048B (sv) * | 1979-05-04 | 1981-02-16 | Ericsson Telefon Ab L M | Balanserat forsterkarutgangssteg |
IL63653A (en) * | 1980-08-29 | 1984-05-31 | Western Electric Co | Line powered transformer-less loudspeaking telephone |
IT1168164B (it) * | 1981-08-26 | 1987-05-20 | Ates Componenti Elettron | Stadio finale a ponte per un aplificatore audio di ricezione |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1459777A (fr) * | 1965-05-24 | 1966-06-17 | Labo Cent Telecommunicat | Générateur de tension variable à potentiel de référence flottant |
GB1142824A (en) * | 1967-06-21 | 1969-02-12 | Mullard Ltd | Amplifier circuits |
DE1762319A1 (de) * | 1968-05-24 | 1970-05-06 | Telefunken Patent | Transformatorloser Leistungsverstaerker in Brueckenschaltung,insbesondere fuer Tonfrequenzen |
US3582802A (en) * | 1969-07-16 | 1971-06-01 | Beckman Instruments Inc | Direct coupled differential transistor amplifier with improved common mode performance |
US3742377A (en) * | 1971-07-08 | 1973-06-26 | Nat Semiconductor Corp | Differential amplifier with means for balancing out offset terms |
US3947778A (en) * | 1974-09-11 | 1976-03-30 | Motorola, Inc. | Differential amplifier |
US4071713A (en) * | 1976-12-27 | 1978-01-31 | Northern Telecom Limited | Telephone speech network |
-
1978
- 1978-02-21 DE DE2807304A patent/DE2807304C2/de not_active Expired
-
1979
- 1979-02-19 IT IT20311/79A patent/IT1111510B/it active
- 1979-02-19 BE BE193545A patent/BE874270A/fr not_active IP Right Cessation
- 1979-02-20 NL NL7901324A patent/NL7901324A/xx not_active Application Discontinuation
- 1979-02-20 AT AT0131379A patent/ATA131379A/de not_active Application Discontinuation
- 1979-02-20 AU AU44398/79A patent/AU526550B2/en not_active Ceased
- 1979-02-21 FR FR7904360A patent/FR2417889A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU4439879A (en) | 1979-08-30 |
FR2417889A1 (fr) | 1979-09-14 |
IT7920311A0 (it) | 1979-02-19 |
BE874270A (fr) | 1979-06-18 |
DE2807304A1 (de) | 1979-08-23 |
ATA131379A (de) | 1982-12-15 |
IT1111510B (it) | 1986-01-13 |
AU526550B2 (en) | 1983-01-20 |
DE2807304C2 (de) | 1982-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |