DE3854047D1 - Asymetrischer verstärker mit zwei eingängen. - Google Patents
Asymetrischer verstärker mit zwei eingängen.Info
- Publication number
- DE3854047D1 DE3854047D1 DE3854047T DE3854047T DE3854047D1 DE 3854047 D1 DE3854047 D1 DE 3854047D1 DE 3854047 T DE3854047 T DE 3854047T DE 3854047 T DE3854047 T DE 3854047T DE 3854047 D1 DE3854047 D1 DE 3854047D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- asymetric
- inputs
- input
- active device
- 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.)
- Expired - Fee Related
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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/036,584 US4764733A (en) | 1987-04-10 | 1987-04-10 | Asymmetrical dual input amplifier |
PCT/US1988/001136 WO1988008226A1 (en) | 1987-04-10 | 1988-04-08 | Asymmetrical dual input amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3854047D1 true DE3854047D1 (de) | 1995-07-27 |
DE3854047T2 DE3854047T2 (de) | 1995-11-09 |
Family
ID=21889420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3854047T Expired - Fee Related DE3854047T2 (de) | 1987-04-10 | 1988-04-08 | Asymetrischer verstärker mit zwei eingängen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4764733A (de) |
EP (1) | EP0362219B1 (de) |
AT (1) | ATE124184T1 (de) |
CA (1) | CA1290028C (de) |
DE (1) | DE3854047T2 (de) |
WO (1) | WO1988008226A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5332928A (en) * | 1992-12-10 | 1994-07-26 | Threepenny Electronics Corporation | Battery drain reducer |
DE19807393C1 (de) * | 1998-02-21 | 1999-06-02 | Mannesmann Vdo Ag | Verfahren und Schaltungsanordnung zur Übertragung von Signalen |
US7043041B2 (en) * | 2000-10-04 | 2006-05-09 | Sonionmicrotronic Nederland B.V. | Integrated telecoil amplifier with signal processing |
DE10344366B3 (de) * | 2003-09-24 | 2005-04-21 | Siemens Audiologische Technik Gmbh | Hörhilfegerät mit automatischer Umschaltung der Spannungsversorgung für externe Komponenten und entsprechendes Verfahren |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3260955A (en) * | 1959-02-02 | 1966-07-12 | Franklin F Offner | Differential amplifier |
US3436672A (en) * | 1966-03-08 | 1969-04-01 | Us Navy | High input impedance amplifier circuit |
BE755452A (fr) * | 1969-08-29 | 1971-03-01 | Siemens Ag | Montage pour un amplificateur differentiel en circuit integre |
US3679961A (en) * | 1971-07-07 | 1972-07-25 | Ramsey Controls Inc | Buffer amplifier and voltage regulating circuit |
JPS5620723B2 (de) * | 1972-07-22 | 1981-05-15 | ||
NL7409851A (nl) * | 1974-07-22 | 1976-01-26 | Philips Nv | Versterkerschakeling. |
US3996462A (en) * | 1975-06-23 | 1976-12-07 | Nasa | Solid-state current transformer |
US4034306A (en) * | 1976-04-16 | 1977-07-05 | Linear Technology Inc. | D.C. amplifier for use with low supply voltage |
US4085382A (en) * | 1976-11-22 | 1978-04-18 | Linear Technology Inc. | Class B amplifier |
US4295063A (en) * | 1979-06-28 | 1981-10-13 | Motorola Inc. | Fast settling digital to analog converter bit switch |
DE3142607C2 (de) * | 1981-10-28 | 1984-05-24 | Telefunken electronic GmbH, 7100 Heilbronn | Differenzverstärker mit Darlingtonausgang |
-
1987
- 1987-04-10 US US07/036,584 patent/US4764733A/en not_active Expired - Lifetime
-
1988
- 1988-04-08 WO PCT/US1988/001136 patent/WO1988008226A1/en active IP Right Grant
- 1988-04-08 EP EP88903718A patent/EP0362219B1/de not_active Expired - Lifetime
- 1988-04-08 AT AT88903718T patent/ATE124184T1/de not_active IP Right Cessation
- 1988-04-08 DE DE3854047T patent/DE3854047T2/de not_active Expired - Fee Related
- 1988-04-11 CA CA000563749A patent/CA1290028C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0362219A4 (de) | 1990-06-26 |
ATE124184T1 (de) | 1995-07-15 |
EP0362219B1 (de) | 1995-06-21 |
EP0362219A1 (de) | 1990-04-11 |
US4764733A (en) | 1988-08-16 |
CA1290028C (en) | 1991-10-01 |
DE3854047T2 (de) | 1995-11-09 |
WO1988008226A1 (en) | 1988-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |