ECSP15020387A - Amplificadores con interruptores de derivación - Google Patents

Amplificadores con interruptores de derivación

Info

Publication number
ECSP15020387A
ECSP15020387A ECIEPI201520387A ECPI201520387A ECSP15020387A EC SP15020387 A ECSP15020387 A EC SP15020387A EC IEPI201520387 A ECIEPI201520387 A EC IEPI201520387A EC PI201520387 A ECPI201520387 A EC PI201520387A EC SP15020387 A ECSP15020387 A EC SP15020387A
Authority
EC
Ecuador
Prior art keywords
amplifier
bypass switch
switch
bypass
panel
Prior art date
Application number
ECIEPI201520387A
Other languages
English (en)
Inventor
Himanshu Khatri
Wei Zhuo
Ojas M Choksi
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ECSP15020387A publication Critical patent/ECSP15020387A/es

Links

Classifications

    • 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
    • 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
    • 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
    • H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
    • 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
    • H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/429—Two or more amplifiers or one amplifier with filters for different frequency bands are coupled in parallel at the input or output
    • 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
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21109—An input signal being distributed by switching to a plurality of paralleled power amplifiers
    • 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
    • H03F2203/7209—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 from a first band to a second band
    • 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
    • H03F2203/7215—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 input 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
    • 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)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)

Abstract

Se revelan amplificadores con interruptores de derivación para mitigar las interferencias. En un diseño representativo, un aparato incluye un amplificador y un interruptor de derivación. El amplificador tiene una entrada operativamente acoplada a un panel de entrada/salida (I/O) de un chip de circuito integrado (IC). El interruptor de derivación conecta a tierra el amplificador cuando el interruptor de derivación está cerrado. El interruptor de derivación está aislado del panel de I/O y la entrada del amplificador. El amplificador puede ser un amplificador de bajo ruido (LNA) o algún otro tipo de amplificador. En un diseño representativo, el interruptor de derivación está aislado del panel de I/O mediante un interruptor de serie. El interruptor de serie y el interruptor de derivación pueden estar cerrados cuando el amplificador está desactivado y pueden estar abiertos cuando el amplificador está activado.
ECIEPI201520387A 2012-10-23 2015-05-22 Amplificadores con interruptores de derivación ECSP15020387A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/658,607 US8913976B2 (en) 2012-10-23 2012-10-23 Amplifiers with shunt switches

Publications (1)

Publication Number Publication Date
ECSP15020387A true ECSP15020387A (es) 2015-12-31

Family

ID=49552422

Family Applications (1)

Application Number Title Priority Date Filing Date
ECIEPI201520387A ECSP15020387A (es) 2012-10-23 2015-05-22 Amplificadores con interruptores de derivación

Country Status (10)

Country Link
US (1) US8913976B2 (es)
EP (1) EP2912770A1 (es)
JP (1) JP5893806B2 (es)
KR (1) KR101614420B1 (es)
CN (1) CN104737445B (es)
AP (1) AP2015008386A0 (es)
EC (1) ECSP15020387A (es)
MA (1) MA38015B1 (es)
SA (1) SA515360313B1 (es)
WO (1) WO2014066424A1 (es)

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Also Published As

Publication number Publication date
MA38015B1 (fr) 2017-05-31
AP2015008386A0 (en) 2015-04-30
EP2912770A1 (en) 2015-09-02
JP2016500968A (ja) 2016-01-14
CN104737445A (zh) 2015-06-24
US8913976B2 (en) 2014-12-16
KR101614420B1 (ko) 2016-04-21
US20140113573A1 (en) 2014-04-24
CN104737445B (zh) 2018-03-16
MA38015A1 (fr) 2016-03-31
JP5893806B2 (ja) 2016-03-23
WO2014066424A1 (en) 2014-05-01
KR20150064217A (ko) 2015-06-10
SA515360313B1 (ar) 2016-11-02

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