IT1214614B - Dispositivo di protezione contro i cortocircuiti dello stadio finale di un amplificatore di potenza. - Google Patents
Dispositivo di protezione contro i cortocircuiti dello stadio finale di un amplificatore di potenza.Info
- Publication number
- IT1214614B IT1214614B IT8521121A IT2112185A IT1214614B IT 1214614 B IT1214614 B IT 1214614B IT 8521121 A IT8521121 A IT 8521121A IT 2112185 A IT2112185 A IT 2112185A IT 1214614 B IT1214614 B IT 1214614B
- Authority
- IT
- Italy
- Prior art keywords
- power amplifier
- protection device
- final stage
- short circuits
- device against
- Prior art date
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
- H03F1/52—Circuit arrangements for protecting such amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Protection Of Static Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8521121A IT1214614B (it) | 1985-06-12 | 1985-06-12 | Dispositivo di protezione contro i cortocircuiti dello stadio finale di un amplificatore di potenza. |
| US06/872,081 US4714898A (en) | 1985-06-12 | 1986-06-06 | Device for protecting the final stage of a power amplifier against shorting |
| DE3619230A DE3619230C2 (de) | 1985-06-12 | 1986-06-07 | Vorrichtung zum Schutz der Endstufe eines Verstärkers vor Kurzschlüssen |
| GB8614080A GB2176361B (en) | 1985-06-12 | 1986-06-10 | A device for protecting the final stage of a power amplifier against shorting |
| FR868608457A FR2583596B1 (fr) | 1985-06-12 | 1986-06-11 | Dispositif de protection contre les courts-circuits de l'etage final d'un amplificateur de puissance. |
| JP61133993A JPH0714129B2 (ja) | 1985-06-12 | 1986-06-11 | 電力増幅器の最終段の保護装置 |
| NL8601526A NL192708C (nl) | 1985-06-12 | 1986-06-12 | Kortsluitbeveiliging. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8521121A IT1214614B (it) | 1985-06-12 | 1985-06-12 | Dispositivo di protezione contro i cortocircuiti dello stadio finale di un amplificatore di potenza. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8521121A0 IT8521121A0 (it) | 1985-06-12 |
| IT1214614B true IT1214614B (it) | 1990-01-18 |
Family
ID=11177048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8521121A IT1214614B (it) | 1985-06-12 | 1985-06-12 | Dispositivo di protezione contro i cortocircuiti dello stadio finale di un amplificatore di potenza. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4714898A (it) |
| JP (1) | JPH0714129B2 (it) |
| DE (1) | DE3619230C2 (it) |
| FR (1) | FR2583596B1 (it) |
| GB (1) | GB2176361B (it) |
| IT (1) | IT1214614B (it) |
| NL (1) | NL192708C (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5029299A (en) * | 1990-05-09 | 1991-07-02 | Altec Lansing Corporation | Power amplifier with current limiting means |
| US5061902A (en) * | 1990-10-03 | 1991-10-29 | International Business Machines Corp. | Linear amplifier |
| DE69212711T2 (de) * | 1991-05-27 | 1997-02-27 | Philips Electronics Nv | Verstäkerschaltung |
| JPH0794958A (ja) * | 1993-09-20 | 1995-04-07 | Pioneer Electron Corp | 電力増幅器の過負荷検出回路 |
| JPH1146120A (ja) * | 1997-07-25 | 1999-02-16 | Mitsubishi Electric Corp | 差動増幅回路 |
| US6807040B2 (en) | 2001-04-19 | 2004-10-19 | Texas Instruments Incorporated | Over-current protection circuit and method |
| DE602007007433D1 (de) * | 2007-04-06 | 2010-08-12 | St Microelectronics Des & Appl | Verstärker mit Ausgangsschutz, insbesondere Operationsverstärker für Audioanwendung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898532A (en) * | 1974-01-28 | 1975-08-05 | Sherwood Electronics Lab Inc | Protection circuit for transistorized audio power amplifier |
| JPS53162647U (it) * | 1977-05-25 | 1978-12-20 | ||
| JPS5518118A (en) * | 1978-07-26 | 1980-02-08 | Hitachi Ltd | Transistor power amplifier circuit |
| NL188255C (nl) * | 1978-11-24 | 1992-05-06 | Novanex Automation Nv | Inrichting voor het tegen overbelasting of kortsluiting beschermen van een audioversterker. |
| JPS56116313A (en) * | 1980-02-20 | 1981-09-12 | Hitachi Ltd | Two signal amplifier |
| NL8302197A (nl) * | 1983-06-21 | 1985-01-16 | Philips Nv | Beveiligingsschakeling. |
| IT1218841B (it) * | 1984-01-23 | 1990-04-24 | Ates Componenti Elettron | Dispositivo di protezione per uno stadio finale in push-pull, contro il cortocircuito tra il terminale di uscita ed il polo positivo dell'alimentazione |
| US4644288A (en) * | 1985-01-09 | 1987-02-17 | Crown International, Inc. | Method of fault sensing for power amplifiers having coupled power stages with normally alternate current flow |
-
1985
- 1985-06-12 IT IT8521121A patent/IT1214614B/it active
-
1986
- 1986-06-06 US US06/872,081 patent/US4714898A/en not_active Expired - Lifetime
- 1986-06-07 DE DE3619230A patent/DE3619230C2/de not_active Expired - Fee Related
- 1986-06-10 GB GB8614080A patent/GB2176361B/en not_active Expired
- 1986-06-11 FR FR868608457A patent/FR2583596B1/fr not_active Expired - Lifetime
- 1986-06-11 JP JP61133993A patent/JPH0714129B2/ja not_active Expired - Fee Related
- 1986-06-12 NL NL8601526A patent/NL192708C/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2583596B1 (fr) | 1992-08-07 |
| FR2583596A1 (fr) | 1986-12-19 |
| DE3619230C2 (de) | 1995-03-09 |
| NL192708B (nl) | 1997-08-01 |
| US4714898A (en) | 1987-12-22 |
| JPH0714129B2 (ja) | 1995-02-15 |
| IT8521121A0 (it) | 1985-06-12 |
| GB8614080D0 (en) | 1986-07-16 |
| JPS61288606A (ja) | 1986-12-18 |
| GB2176361A (en) | 1986-12-17 |
| NL8601526A (nl) | 1987-01-02 |
| DE3619230A1 (de) | 1986-12-18 |
| GB2176361B (en) | 1989-07-26 |
| NL192708C (nl) | 1997-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970628 |