AT392375B - Elektronische schaltung mit einem geschuetzten transistor - Google Patents
Elektronische schaltung mit einem geschuetzten transistor Download PDFInfo
- Publication number
- AT392375B AT392375B AT445/80A AT44580A AT392375B AT 392375 B AT392375 B AT 392375B AT 445/80 A AT445/80 A AT 445/80A AT 44580 A AT44580 A AT 44580A AT 392375 B AT392375 B AT 392375B
- Authority
- AT
- Austria
- Prior art keywords
- transistor
- emitter
- base
- current
- transistors
- Prior art date
Links
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
-
- 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/007,499 US4225897A (en) | 1979-01-29 | 1979-01-29 | Overcurrent protection circuit for power transistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA44580A ATA44580A (de) | 1990-08-15 |
| AT392375B true AT392375B (de) | 1991-03-25 |
Family
ID=21726554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT445/80A AT392375B (de) | 1979-01-29 | 1980-01-28 | Elektronische schaltung mit einem geschuetzten transistor |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4225897A (en, 2012) |
| JP (1) | JPS55102911A (en, 2012) |
| KR (1) | KR830001456B1 (en, 2012) |
| AT (1) | AT392375B (en, 2012) |
| AU (1) | AU527758B2 (en, 2012) |
| DE (1) | DE3003123A1 (en, 2012) |
| ES (1) | ES8204565A1 (en, 2012) |
| FI (1) | FI73548C (en, 2012) |
| FR (1) | FR2447629B1 (en, 2012) |
| GB (1) | GB2042297B (en, 2012) |
| IT (1) | IT1130234B (en, 2012) |
| NZ (1) | NZ192727A (en, 2012) |
| SE (1) | SE441881B (en, 2012) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57124909A (en) * | 1981-01-27 | 1982-08-04 | Toshiba Corp | Output transistor protection circuit |
| US4321648A (en) * | 1981-02-25 | 1982-03-23 | Rca Corporation | Over-current protection circuits for power transistors |
| US4481553A (en) * | 1982-04-05 | 1984-11-06 | General Electric Company | Protection circuit |
| DE3238880A1 (de) * | 1982-10-21 | 1984-04-26 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung |
| JPH0630543B2 (ja) * | 1987-01-13 | 1994-04-20 | 株式会社東芝 | 出力回路の異常検出報知回路 |
| JPS63268432A (ja) * | 1987-04-27 | 1988-11-07 | Mitsubishi Electric Corp | 短絡保護回路 |
| US5061902A (en) * | 1990-10-03 | 1991-10-29 | International Business Machines Corp. | Linear amplifier |
| IT1244209B (it) * | 1990-12-20 | 1994-07-08 | Sgs Thomson Microelectronics | Circuito di controllo di caratteristiche tensione/corrente particolarmente per la protezione di transistori di potenza |
| US5485341A (en) * | 1992-09-21 | 1996-01-16 | Kabushiki Kaisha Toshiba | Power transistor overcurrent protection circuit |
| EP0782236A1 (en) * | 1995-12-29 | 1997-07-02 | Co.Ri.M.Me. Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno | Circuit for the protection against overcurrents in power electronic devices, and corresponding method |
| DE10128772B4 (de) * | 2001-06-13 | 2009-10-15 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Einschaltstrombegrenzung in Gegentaktverstärkerendstufen |
| CN102497093A (zh) * | 2011-11-11 | 2012-06-13 | 无锡华润上华科技有限公司 | 一种应用于功率因数校正器中的输出过压保护电路 |
| EP3075047A4 (en) * | 2013-11-26 | 2017-11-01 | PowerbyProxi Limited | Overcurrent protection circuit |
| EP3909127B1 (en) | 2019-01-10 | 2024-05-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Bias circuit and power amplifier circuit |
| US12113558B2 (en) | 2020-06-22 | 2024-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmitter circuit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1265157A (en, 2012) * | 1968-09-27 | 1972-03-01 | ||
| GB1467057A (en) * | 1973-05-24 | 1977-03-16 | Rca Corp | Amplifier with over-current protection |
| US3938008A (en) * | 1974-09-18 | 1976-02-10 | International Business Machines Corporation | Common bus driver complementary protect circuit |
| US3924159A (en) * | 1974-10-04 | 1975-12-02 | Rca Corp | Amplifier protection system |
| GB1537484A (en) * | 1976-01-27 | 1978-12-29 | Rca Corp | Transistor amplifier with over-current prevention circuitry |
| GB1506881A (en) * | 1975-02-24 | 1978-04-12 | Rca Corp | Current divider |
| US4063149A (en) * | 1975-02-24 | 1977-12-13 | Rca Corporation | Current regulating circuits |
| US4021701A (en) * | 1975-12-08 | 1977-05-03 | Motorola, Inc. | Transistor protection circuit |
| US4078207A (en) * | 1977-01-07 | 1978-03-07 | Rca Corporation | Push-pull transistor amplifier with driver circuitry providing over-current protection |
| US4122401A (en) * | 1977-07-14 | 1978-10-24 | National Semiconductor Corporation | High efficiency power amplifier circuit |
-
1979
- 1979-01-29 US US06/007,499 patent/US4225897A/en not_active Expired - Lifetime
-
1980
- 1980-01-22 SE SE8000492A patent/SE441881B/sv not_active IP Right Cessation
- 1980-01-22 AU AU54814/80A patent/AU527758B2/en not_active Ceased
- 1980-01-22 GB GB8002119A patent/GB2042297B/en not_active Expired
- 1980-01-22 FI FI800176A patent/FI73548C/fi not_active IP Right Cessation
- 1980-01-25 IT IT19490/80A patent/IT1130234B/it active
- 1980-01-28 KR KR1019800000303A patent/KR830001456B1/ko not_active Expired
- 1980-01-28 NZ NZ192727A patent/NZ192727A/xx unknown
- 1980-01-28 JP JP924380A patent/JPS55102911A/ja active Granted
- 1980-01-28 AT AT445/80A patent/AT392375B/de not_active IP Right Cessation
- 1980-01-29 DE DE19803003123 patent/DE3003123A1/de active Granted
- 1980-01-29 FR FR8001871A patent/FR2447629B1/fr not_active Expired
- 1980-01-31 ES ES488056A patent/ES8204565A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3003123A1 (de) | 1980-08-07 |
| KR830001456B1 (ko) | 1983-07-29 |
| GB2042297A (en) | 1980-09-17 |
| SE441881B (sv) | 1985-11-11 |
| GB2042297B (en) | 1983-03-23 |
| ES488056A0 (es) | 1982-04-01 |
| NZ192727A (en) | 1983-03-15 |
| ATA44580A (de) | 1990-08-15 |
| JPS6260847B2 (en, 2012) | 1987-12-18 |
| ES8204565A1 (es) | 1982-04-01 |
| KR830002446A (ko) | 1983-05-28 |
| FR2447629A1 (fr) | 1980-08-22 |
| AU527758B2 (en) | 1983-03-24 |
| AU5481480A (en) | 1980-08-07 |
| FI73548C (fi) | 1987-10-09 |
| FI73548B (fi) | 1987-06-30 |
| IT8019490A0 (it) | 1980-01-25 |
| FI800176A7 (fi) | 1980-07-30 |
| US4225897A (en) | 1980-09-30 |
| FR2447629B1 (fr) | 1985-10-04 |
| IT1130234B (it) | 1986-06-11 |
| SE8000492L (sv) | 1980-07-30 |
| JPS55102911A (en) | 1980-08-06 |
| DE3003123C2 (en, 2012) | 1987-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2457753C2 (de) | Spannungsregelschaltung | |
| AT392375B (de) | Elektronische schaltung mit einem geschuetzten transistor | |
| DE3035272C2 (en, 2012) | ||
| DE2653624A1 (de) | Videosignalverstaerker | |
| DE3686431T2 (de) | Schaltung zur detektion eines automatischen verstaerkungsregelungssignals. | |
| DE2207233C3 (de) | Elektronischer Signalverstärker | |
| DE2139560A1 (de) | Festkörperverstärker | |
| DE2136061C3 (de) | Stromverstärkerschaltung | |
| DE2249859B2 (de) | Integrierte Verstärkerschalung | |
| DE1909721C3 (de) | Schaltungsanordnung zur Gleichspannungsteilung | |
| DE2905659B2 (de) | Gegentakt-Verstärkerkreis | |
| DE3011835A1 (de) | Leistungsverstaerker | |
| DE3034940C2 (en, 2012) | ||
| DE2354340A1 (de) | Vorspannungsschaltung fuer einen transistor | |
| DE2554615C2 (en, 2012) | ||
| EP0237086B1 (de) | Stromspiegelschaltung | |
| DE1537656B2 (en, 2012) | ||
| DE3110355C2 (de) | Gleichspannungsgenerator zur Lieferung einer temperaturabhängigen Ausgangs-Gleichspannung | |
| DE2416533C3 (de) | Elektronische Schaltungsanordnung zur Spannungsstabilisierung | |
| EP0541164B1 (de) | Verstärker | |
| DE2134774C3 (de) | Schaltungsanordnung zur Stabilisierung eines Stromes | |
| DE2635574C3 (de) | Stromspiegelschaltung | |
| DE3032675C2 (de) | Tonfrequenz-Leistungsverstärker-Schaltung. | |
| DE2820416A1 (de) | Schalterkeis | |
| DE3035286C2 (de) | Verstärker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| EEIH | Change in the person of patent owner | ||
| REN | Ceased due to non-payment of the annual fee |