SE417048B - Balanserat forsterkarutgangssteg - Google Patents
Balanserat forsterkarutgangsstegInfo
- Publication number
- SE417048B SE417048B SE7903931A SE7903931A SE417048B SE 417048 B SE417048 B SE 417048B SE 7903931 A SE7903931 A SE 7903931A SE 7903931 A SE7903931 A SE 7903931A SE 417048 B SE417048 B SE 417048B
- Authority
- SE
- Sweden
- Prior art keywords
- transistor
- collector
- emitter
- transistors
- base
- Prior art date
Links
- 230000007423 decrease Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7903931A SE417048B (sv) | 1979-05-04 | 1979-05-04 | Balanserat forsterkarutgangssteg |
| FI801241A FI68744C (fi) | 1979-05-04 | 1980-04-18 | Balanserat foerstaerkarutgaongssteg |
| PCT/SE1980/000114 WO1980002488A1 (en) | 1979-05-04 | 1980-04-21 | A balanced amplifier output stage |
| DE8080900797T DE3069400D1 (en) | 1979-05-04 | 1980-04-21 | A balanced amplifier output stage |
| EP80900797A EP0028229B1 (en) | 1979-05-04 | 1980-04-21 | A balanced amplifier output stage |
| US06/227,082 US4450412A (en) | 1979-05-04 | 1980-04-21 | Balanced amplifier output stage |
| NO803963A NO147167C (no) | 1979-05-04 | 1980-12-30 | Balansert forsterkerutgangstrinn. |
| DK001481A DK149789C (da) | 1979-05-04 | 1981-01-02 | Balanceret forstaerkerudgangstrin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7903931A SE417048B (sv) | 1979-05-04 | 1979-05-04 | Balanserat forsterkarutgangssteg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7903931L SE7903931L (sv) | 1980-11-05 |
| SE417048B true SE417048B (sv) | 1981-02-16 |
Family
ID=20337976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7903931A SE417048B (sv) | 1979-05-04 | 1979-05-04 | Balanserat forsterkarutgangssteg |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4450412A (da) |
| EP (1) | EP0028229B1 (da) |
| DE (1) | DE3069400D1 (da) |
| DK (1) | DK149789C (da) |
| FI (1) | FI68744C (da) |
| NO (1) | NO147167C (da) |
| SE (1) | SE417048B (da) |
| WO (1) | WO1980002488A1 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1168164B (it) * | 1981-08-26 | 1987-05-20 | Ates Componenti Elettron | Stadio finale a ponte per un aplificatore audio di ricezione |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189589B (de) * | 1963-11-12 | 1965-03-25 | Philips Nv | Transistorgegentaktschaltungsanordnung |
| US3541465A (en) * | 1966-12-28 | 1970-11-17 | Hitachi Ltd | Transistor differential amplifier circuit |
| FR1600222A (da) * | 1968-12-31 | 1970-07-20 | ||
| US3742377A (en) * | 1971-07-08 | 1973-06-26 | Nat Semiconductor Corp | Differential amplifier with means for balancing out offset terms |
| DE2431818A1 (de) * | 1974-07-02 | 1976-01-15 | Georg Dipl Ing Figol | Nf-leistungsverstaerker |
| US3947778A (en) * | 1974-09-11 | 1976-03-30 | Motorola, Inc. | Differential amplifier |
| JPS5548736B2 (da) * | 1975-02-26 | 1980-12-08 | ||
| DE2807304C2 (de) * | 1978-02-21 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zum Verstärken eines in einer aus einer Teilnehmeranschlußleitung gespeisten Endstelle einer Fernmeldeanlage erzeugten Signals |
-
1979
- 1979-05-04 SE SE7903931A patent/SE417048B/sv not_active IP Right Cessation
-
1980
- 1980-04-18 FI FI801241A patent/FI68744C/sv not_active IP Right Cessation
- 1980-04-21 DE DE8080900797T patent/DE3069400D1/de not_active Expired
- 1980-04-21 EP EP80900797A patent/EP0028229B1/en not_active Expired
- 1980-04-21 WO PCT/SE1980/000114 patent/WO1980002488A1/en not_active Ceased
- 1980-04-21 US US06/227,082 patent/US4450412A/en not_active Expired - Lifetime
- 1980-12-30 NO NO803963A patent/NO147167C/no unknown
-
1981
- 1981-01-02 DK DK001481A patent/DK149789C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| DK149789C (da) | 1987-07-13 |
| EP0028229B1 (en) | 1984-10-10 |
| FI68744B (fi) | 1985-06-28 |
| NO147167C (no) | 1983-02-09 |
| DK149789B (da) | 1986-09-29 |
| DK1481A (da) | 1981-01-02 |
| NO147167B (no) | 1982-11-01 |
| FI68744C (fi) | 1985-10-10 |
| WO1980002488A1 (en) | 1980-11-13 |
| US4450412A (en) | 1984-05-22 |
| SE7903931L (sv) | 1980-11-05 |
| NO803963L (no) | 1980-12-30 |
| FI801241A7 (fi) | 1980-11-05 |
| DE3069400D1 (en) | 1984-11-15 |
| EP0028229A1 (en) | 1981-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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|
| NUG | Patent has lapsed |
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