AU526550B2 - Amplifier and symmetrical bridge - Google Patents
Amplifier and symmetrical bridgeInfo
- Publication number
- AU526550B2 AU526550B2 AU44398/79A AU4439879A AU526550B2 AU 526550 B2 AU526550 B2 AU 526550B2 AU 44398/79 A AU44398/79 A AU 44398/79A AU 4439879 A AU4439879 A AU 4439879A AU 526550 B2 AU526550 B2 AU 526550B2
- Authority
- AU
- Australia
- Prior art keywords
- amplifier
- symmetrical bridge
- bridge
- symmetrical
- 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.)
- Ceased
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE28073043 | 1978-02-21 | ||
| DE2807304A DE2807304C2 (en) | 1978-02-21 | 1978-02-21 | Circuit arrangement for amplifying a signal generated in a terminal of a telecommunications system that is fed from a subscriber line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4439879A AU4439879A (en) | 1979-08-30 |
| AU526550B2 true AU526550B2 (en) | 1983-01-20 |
Family
ID=6032506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU44398/79A Ceased AU526550B2 (en) | 1978-02-21 | 1979-02-20 | Amplifier and symmetrical bridge |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | ATA131379A (en) |
| AU (1) | AU526550B2 (en) |
| BE (1) | BE874270A (en) |
| DE (1) | DE2807304C2 (en) |
| FR (1) | FR2417889A1 (en) |
| IT (1) | IT1111510B (en) |
| NL (1) | NL7901324A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE417048B (en) * | 1979-05-04 | 1981-02-16 | Ericsson Telefon Ab L M | BALANCED AMPLIFIER OUTPUT STEP |
| IL63653A (en) * | 1980-08-29 | 1984-05-31 | Western Electric Co | Line powered transformer-less loudspeaking telephone |
| IT1168164B (en) * | 1981-08-26 | 1987-05-20 | Ates Componenti Elettron | BRIDGE FINAL STAGE FOR AN AUDIO RECEPTION APPLICATOR |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1459777A (en) * | 1965-05-24 | 1966-06-17 | Labo Cent Telecommunicat | Variable voltage generator with floating reference potential |
| GB1142824A (en) * | 1967-06-21 | 1969-02-12 | Mullard Ltd | Amplifier circuits |
| DE1762319A1 (en) * | 1968-05-24 | 1970-05-06 | Telefunken Patent | Transformerless power amplifier in a bridge circuit, especially for audio frequencies |
| 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/en not_active Expired
-
1979
- 1979-02-19 IT IT20311/79A patent/IT1111510B/en active
- 1979-02-19 BE BE193545A patent/BE874270A/en not_active IP Right Cessation
- 1979-02-20 NL NL7901324A patent/NL7901324A/en not_active Application Discontinuation
- 1979-02-20 AU AU44398/79A patent/AU526550B2/en not_active Ceased
- 1979-02-20 AT AT0131379A patent/ATA131379A/en not_active Application Discontinuation
- 1979-02-21 FR FR7904360A patent/FR2417889A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE874270A (en) | 1979-06-18 |
| IT1111510B (en) | 1986-01-13 |
| AU4439879A (en) | 1979-08-30 |
| FR2417889A1 (en) | 1979-09-14 |
| ATA131379A (en) | 1982-12-15 |
| DE2807304C2 (en) | 1982-07-01 |
| NL7901324A (en) | 1979-08-23 |
| IT7920311A0 (en) | 1979-02-19 |
| DE2807304A1 (en) | 1979-08-23 |
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