MXPA01000420A - Metodo y aparato para la amplificacion de senales dependiente de la modulacion. - Google Patents

Metodo y aparato para la amplificacion de senales dependiente de la modulacion.

Info

Publication number
MXPA01000420A
MXPA01000420A MXPA01000420A MXPA01000420A MXPA01000420A MX PA01000420 A MXPA01000420 A MX PA01000420A MX PA01000420 A MXPA01000420 A MX PA01000420A MX PA01000420 A MXPA01000420 A MX PA01000420A MX PA01000420 A MXPA01000420 A MX PA01000420A
Authority
MX
Mexico
Prior art keywords
modulation format
signal amplification
dependent signal
matching network
modulation dependent
Prior art date
Application number
MXPA01000420A
Other languages
English (en)
Inventor
Klomsdorf Armin
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of MXPA01000420A publication Critical patent/MXPA01000420A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

Se describe un conmutador de formato de modulacion (20) en comunicacion con un amplificador (15), el cual produce una pluralidad de senales de formato de modulacion y una carga. El conmutador de formato de modulacion (20) incluye al menos una red de acoplamiento (62, 100) en comunicacion con el amplificador (15) y la cara (25), con al menos una red de acoplamiento (62, 100) capaz de tener una pluralidad de valores de impedancia correspondientes a la pluralidad de senales de formato de modulacion. El conmutador de formato de modulacion (20) incluye tambien un elemento controlable (70, 72, 74, 76, 102) en la red de acoplamiento (62, 100), el elemento controlable (70, 72, 74, 76, 102) capaz de tener mas de un valor de impedancia.
MXPA01000420A 2000-01-14 2001-01-12 Metodo y aparato para la amplificacion de senales dependiente de la modulacion. MXPA01000420A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/483,331 US6281748B1 (en) 2000-01-14 2000-01-14 Method of and apparatus for modulation dependent signal amplification

Publications (1)

Publication Number Publication Date
MXPA01000420A true MXPA01000420A (es) 2004-03-26

Family

ID=23919634

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA01000420A MXPA01000420A (es) 2000-01-14 2001-01-12 Metodo y aparato para la amplificacion de senales dependiente de la modulacion.

Country Status (7)

Country Link
US (1) US6281748B1 (es)
JP (1) JP2001251202A (es)
KR (1) KR100372858B1 (es)
CN (1) CN1179482C (es)
BR (1) BR0100042B1 (es)
GB (1) GB2362051B (es)
MX (1) MXPA01000420A (es)

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Also Published As

Publication number Publication date
GB2362051A8 (en) 2002-04-17
JP2001251202A (ja) 2001-09-14
CN1306344A (zh) 2001-08-01
BR0100042A (pt) 2001-08-21
GB2362051A (en) 2001-11-07
KR100372858B1 (ko) 2003-02-19
GB2362051B (en) 2002-05-29
GB0031141D0 (en) 2001-01-31
CN1179482C (zh) 2004-12-08
US6281748B1 (en) 2001-08-28
KR20010076255A (ko) 2001-08-11
BR0100042B1 (pt) 2014-01-28

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