DE2919557C3 - - Google Patents
Info
- Publication number
- DE2919557C3 DE2919557C3 DE2919557A DE2919557A DE2919557C3 DE 2919557 C3 DE2919557 C3 DE 2919557C3 DE 2919557 A DE2919557 A DE 2919557A DE 2919557 A DE2919557 A DE 2919557A DE 2919557 C3 DE2919557 C3 DE 2919557C3
- Authority
- DE
- Germany
- 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.)
- Expired
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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5741178A JPS54158143A (en) | 1978-05-15 | 1978-05-15 | Amplifier circuit |
JP5741278A JPS54148461A (en) | 1978-05-15 | 1978-05-15 | Amplifier circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2919557A1 DE2919557A1 (de) | 1979-11-22 |
DE2919557B2 DE2919557B2 (de) | 1981-03-26 |
DE2919557C3 true DE2919557C3 (US07816562-20101019-C00012.png) | 1987-06-19 |
Family
ID=26398449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2919557A Granted DE2919557B2 (de) | 1978-05-15 | 1979-05-15 | Vorspannungsschaltung für einen linearen Verstärker |
Country Status (3)
Country | Link |
---|---|
US (1) | US4246544A (US07816562-20101019-C00012.png) |
DE (1) | DE2919557B2 (US07816562-20101019-C00012.png) |
GB (1) | GB2022949B (US07816562-20101019-C00012.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3113824C2 (de) * | 1981-04-06 | 1983-12-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verstärker mit Mitteln zum Unterdrücken von Gleichspannungssprüngen am Verstärkerausgang |
DE3114042A1 (de) * | 1981-04-07 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Integrierbare halbleiterschaltung mit einem gegengekoppelten, nichtinvertierenden operationsverstaerker |
IT1241345B (it) * | 1990-12-11 | 1994-01-10 | Sgs Thomson Microelectronics | Circuito per la soppressione del rumore di commutazione fra due sorgenti di tensione, in paticolare per stadi audio di preamplificazione |
GB2440188B (en) * | 2006-07-14 | 2011-06-08 | Wolfson Ltd | Amplifier Circuits, Methods of Starting and Stopping Amplifier Circuits |
DE102010040728A1 (de) * | 2010-09-14 | 2012-03-15 | Sb Limotive Company Ltd. | Verfahren und Schaltungsanordnung zur Aufladung eines Zwischenkreiskondensators |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296544A (en) * | 1964-08-12 | 1967-01-03 | Ampex | Transistorized low noise preamplifier having high resistive input impedance and low input capacity |
DE2322317A1 (de) * | 1972-05-10 | 1974-01-17 | Hitachi Ltd | Akustischer verstaerker |
DE2439940B1 (de) * | 1974-08-20 | 1976-03-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Ladeschaltung für einen Kondensator |
DE2739559C3 (de) * | 1977-09-02 | 1980-06-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur Erzeugung einer Vorzugslage |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5435057B2 (US07816562-20101019-C00012.png) * | 1971-09-27 | 1979-10-31 |
-
1979
- 1979-05-03 GB GB7915412A patent/GB2022949B/en not_active Expired
- 1979-05-03 US US06/035,640 patent/US4246544A/en not_active Expired - Lifetime
- 1979-05-15 DE DE2919557A patent/DE2919557B2/de active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296544A (en) * | 1964-08-12 | 1967-01-03 | Ampex | Transistorized low noise preamplifier having high resistive input impedance and low input capacity |
DE2322317A1 (de) * | 1972-05-10 | 1974-01-17 | Hitachi Ltd | Akustischer verstaerker |
DE2439940B1 (de) * | 1974-08-20 | 1976-03-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Ladeschaltung für einen Kondensator |
DE2739559C3 (de) * | 1977-09-02 | 1980-06-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur Erzeugung einer Vorzugslage |
Non-Patent Citations (3)
Title |
---|
"Linear Applications Handbook", National Semicon- ductor, S.AN 125-1 bis AN 125-12, 1978 * |
"Linear Data Book National", National Semiconduc- tor, S.10-28 bis 10-37, 1976 * |
"National Semiconductor Application Note 125 Jim Shervin, Jan.1975, LM 377, LM 378 und LM 379 Dual Two Four and Six Watt Power Amplifiers" S.AN 125-1 bis AN 125-12 * |
Also Published As
Publication number | Publication date |
---|---|
GB2022949A (en) | 1979-12-19 |
US4246544A (en) | 1981-01-20 |
DE2919557B2 (de) | 1981-03-26 |
GB2022949B (en) | 1982-12-08 |
DE2919557A1 (de) | 1979-11-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
8263 | Opposition against grant of a patent | ||
8228 | New agent |
Free format text: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
8227 | New person/name/address of the applicant |
Free format text: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP |
|
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |