DK0780972T3 - Amplifier - Google Patents
AmplifierInfo
- Publication number
- DK0780972T3 DK0780972T3 DK96119870T DK96119870T DK0780972T3 DK 0780972 T3 DK0780972 T3 DK 0780972T3 DK 96119870 T DK96119870 T DK 96119870T DK 96119870 T DK96119870 T DK 96119870T DK 0780972 T3 DK0780972 T3 DK 0780972T3
- Authority
- DK
- Denmark
- Prior art keywords
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19548434A DE19548434C2 (en) | 1995-12-22 | 1995-12-22 | Universal amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0780972T3 true DK0780972T3 (en) | 2000-09-04 |
Family
ID=7781211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK96119870T DK0780972T3 (en) | 1995-12-22 | 1996-12-11 | Amplifier |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0780972B1 (en) |
DE (2) | DE19548434C2 (en) |
DK (1) | DK0780972T3 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048576A (en) * | 1975-11-28 | 1977-09-13 | Gte Automatic Electric Laboratories Incorporated | Transistor amplifier stage with selectively adjustable gain control circuit |
US4132957A (en) * | 1977-10-26 | 1979-01-02 | Hekimian Laboratories, Inc. | Programmable amplifier |
JPS5690611A (en) * | 1979-12-25 | 1981-07-22 | Iwatsu Electric Co Ltd | Gain control system of light signal observation device |
US4598252A (en) * | 1984-07-06 | 1986-07-01 | Itt Corporation | Variable gain power amplifier |
JPH06103809B2 (en) * | 1988-06-10 | 1994-12-14 | 三菱電機株式会社 | Amplifier circuit |
SU1707738A1 (en) * | 1989-10-16 | 1992-01-23 | Научно-исследовательский институт "РИФ" Производственного объединения им.В.И.Ленина | Device for automatic switching of amplifications |
DE4010001C1 (en) * | 1990-03-29 | 1991-05-16 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Amplifier with stepped adjustable gain - provided by three stages switched in cascade and comprising intermediate attenuator between input and output amplifiers |
US5374895A (en) * | 1993-07-12 | 1994-12-20 | Spectrian, Inc. | NMR/MRI pulse amplifier |
-
1995
- 1995-12-22 DE DE19548434A patent/DE19548434C2/en not_active Expired - Fee Related
-
1996
- 1996-12-11 DK DK96119870T patent/DK0780972T3/en active
- 1996-12-11 EP EP96119870A patent/EP0780972B1/en not_active Expired - Lifetime
- 1996-12-11 DE DE59604765T patent/DE59604765D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0780972A1 (en) | 1997-06-25 |
DE19548434A1 (en) | 1997-06-26 |
DE19548434C2 (en) | 1999-05-06 |
EP0780972B1 (en) | 2000-03-22 |
DE59604765D1 (en) | 2000-04-27 |
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