PT3252948T - Sistema de amplificação para sinais de telecomunicações - Google Patents

Sistema de amplificação para sinais de telecomunicações

Info

Publication number
PT3252948T
PT3252948T PT171743925T PT17174392T PT3252948T PT 3252948 T PT3252948 T PT 3252948T PT 171743925 T PT171743925 T PT 171743925T PT 17174392 T PT17174392 T PT 17174392T PT 3252948 T PT3252948 T PT 3252948T
Authority
PT
Portugal
Prior art keywords
amplification system
telecommunication signals
telecommunication
signals
amplification
Prior art date
Application number
PT171743925T
Other languages
English (en)
Original Assignee
Televes Sa
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 Televes Sa filed Critical Televes Sa
Publication of PT3252948T publication Critical patent/PT3252948T/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • 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
    • H03F2203/7221—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 a switch at the output of the amplifier
    • 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
    • H03F2203/7236—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 by (a ) switch(es)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
PT171743925T 2016-06-03 2017-06-02 Sistema de amplificação para sinais de telecomunicações PT3252948T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201600474A ES2645521B2 (es) 2016-06-03 2016-06-03 Sistema de amplificación de señales de telecomunicación

Publications (1)

Publication Number Publication Date
PT3252948T true PT3252948T (pt) 2020-07-29

Family

ID=59053925

Family Applications (1)

Application Number Title Priority Date Filing Date
PT171743925T PT3252948T (pt) 2016-06-03 2017-06-02 Sistema de amplificação para sinais de telecomunicações

Country Status (4)

Country Link
EP (1) EP3252948B1 (pt)
ES (2) ES2645521B2 (pt)
PL (1) PL3252948T3 (pt)
PT (1) PT3252948T (pt)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2361298C (en) * 2000-11-08 2004-10-12 Research In Motion Limited Impedance matching low noise amplifier having a bypass switch
US7161422B2 (en) * 2003-01-03 2007-01-09 Junghyun Kim Multiple power mode amplifier with bias modulation option and without bypass switches
JP4137814B2 (ja) * 2004-02-19 2008-08-20 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 スイッチ装置、スイッチ付電力増幅装置及び携帯通信端末装置
US7675359B2 (en) * 2008-05-28 2010-03-09 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Switch-around low noise amplifier
WO2011052855A1 (ko) * 2009-10-28 2011-05-05 (주)에이스테크놀로지 저잡음 증폭기 및 저잡음 증폭기 집적회로 장치
EP2485393B1 (en) * 2011-02-08 2014-05-14 ST-Ericsson SA Amplifier for a wireless receiver
US9479126B2 (en) * 2014-08-19 2016-10-25 Infineon Technologies Ag System and method for a low noise amplifier

Also Published As

Publication number Publication date
EP3252948A1 (en) 2017-12-06
ES2645521A1 (es) 2017-12-05
ES2645521B2 (es) 2018-03-28
PL3252948T3 (pl) 2021-01-25
EP3252948B1 (en) 2020-05-06
ES2806349T3 (es) 2021-02-17

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