BR9405339A - Acoplador direcional de frequência de rádio, unidade de comunicação, processo para controlar acoplador direcional de frequência de rádio, processo para controlar circuito de nìvel de energia e processo de controle de unidade de comunicação. - Google Patents

Acoplador direcional de frequência de rádio, unidade de comunicação, processo para controlar acoplador direcional de frequência de rádio, processo para controlar circuito de nìvel de energia e processo de controle de unidade de comunicação.

Info

Publication number
BR9405339A
BR9405339A BR9405339-1A BR9405339A BR9405339A BR 9405339 A BR9405339 A BR 9405339A BR 9405339 A BR9405339 A BR 9405339A BR 9405339 A BR9405339 A BR 9405339A
Authority
BR
Brazil
Prior art keywords
radio frequency
communication unit
frequency coupler
directional radio
coupler
Prior art date
Application number
BR9405339-1A
Other languages
English (en)
Inventor
Dale Gerard Schwent
Rashid Mashid M Osmani
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 BR9405339A publication Critical patent/BR9405339A/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/185—Edge coupled lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/187—Broadside coupled lines

Landscapes

  • Transmitters (AREA)

Abstract

Um aparelho e processo para variar o acoplamento de sinal de frequência de rádio (RF) (408). Este é usado vantajosamente para aumentar a faixa dinâmica de um detector de energia (406) em um laço de controle de nível de energia automático (403) de uma unidade de transmissão (404) enquanto mantendo a eficiência da unidade de transmissão em níveis de energia superiores. Isso é realizado mediante seleção entre um primeiro modo de operação o acoplador RF (405) tendo acoplamento forte, responsivo a um primeiro nível de energia predeterminado, de tal modo que o acoplador RF (405) produz um primeiro sinal RF acoplado (509) responsivo ao sinal RF (408) e um segundo modo de operação do acoplador RF (405) tendo acoplamento fraco, responsivo a um segundo nível de energia predeteminado, de tal modo que o acoplador RF acoplador RF (405) produz um segundo sinal RF acoplado (510) responsivo ao sinal RF (408).
BR9405339-1A 1993-05-04 1994-04-05 Acoplador direcional de frequência de rádio, unidade de comunicação, processo para controlar acoplador direcional de frequência de rádio, processo para controlar circuito de nìvel de energia e processo de controle de unidade de comunicação. BR9405339A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/055,900 US5363071A (en) 1993-05-04 1993-05-04 Apparatus and method for varying the coupling of a radio frequency signal
PCT/US1994/003713 WO1994025997A1 (en) 1993-05-04 1994-04-05 Apparatus and method for varying the coupling of a radio frequency signal

Publications (1)

Publication Number Publication Date
BR9405339A true BR9405339A (pt) 1999-08-31

Family

ID=22000899

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405339-1A BR9405339A (pt) 1993-05-04 1994-04-05 Acoplador direcional de frequência de rádio, unidade de comunicação, processo para controlar acoplador direcional de frequência de rádio, processo para controlar circuito de nìvel de energia e processo de controle de unidade de comunicação.

Country Status (7)

Country Link
US (1) US5363071A (pt)
JP (1) JPH07508872A (pt)
CN (1) CN1038081C (pt)
BR (1) BR9405339A (pt)
CA (1) CA2138029C (pt)
GB (1) GB2284103B (pt)
WO (1) WO1994025997A1 (pt)

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Also Published As

Publication number Publication date
CN1038081C (zh) 1998-04-15
US5363071A (en) 1994-11-08
GB9426477D0 (en) 1995-03-01
WO1994025997A1 (en) 1994-11-10
CA2138029C (en) 1998-09-22
JPH07508872A (ja) 1995-09-28
CN1109265A (zh) 1995-09-27
GB2284103A (en) 1995-05-24
CA2138029A1 (en) 1994-11-10
GB2284103B (en) 1997-01-22

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law