DK0780972T3 - Forstærker - Google Patents

Forstærker

Info

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
Application number
DK96119870T
Other languages
English (en)
Inventor
Wolfgang Dipl-Ing Wendel
Hartmut Maier
Original Assignee
Hirschmann Richard Gmbh Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hirschmann Richard Gmbh Co filed Critical Hirschmann Richard Gmbh Co
Application granted granted Critical
Publication of DK0780972T3 publication Critical patent/DK0780972T3/da

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)
DK96119870T 1995-12-22 1996-12-11 Forstærker DK0780972T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19548434A DE19548434C2 (de) 1995-12-22 1995-12-22 Universalverstärker

Publications (1)

Publication Number Publication Date
DK0780972T3 true DK0780972T3 (da) 2000-09-04

Family

ID=7781211

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96119870T DK0780972T3 (da) 1995-12-22 1996-12-11 Forstærker

Country Status (3)

Country Link
EP (1) EP0780972B1 (da)
DE (2) DE19548434C2 (da)
DK (1) DK0780972T3 (da)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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 (ja) * 1988-06-10 1994-12-14 三菱電機株式会社 増幅回路
SU1707738A1 (ru) * 1989-10-16 1992-01-23 Научно-исследовательский институт "РИФ" Производственного объединения им.В.И.Ленина Устройство с автоматическим переключением усилени
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

Also Published As

Publication number Publication date
DE19548434A1 (de) 1997-06-26
DE19548434C2 (de) 1999-05-06
EP0780972B1 (de) 2000-03-22
DE59604765D1 (de) 2000-04-27
EP0780972A1 (de) 1997-06-25

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