FR2685586A1 - Dispositif d'aiguillage en frequence a adaptation d'impedance. - Google Patents

Dispositif d'aiguillage en frequence a adaptation d'impedance. Download PDF

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Publication number
FR2685586A1
FR2685586A1 FR9115777A FR9115777A FR2685586A1 FR 2685586 A1 FR2685586 A1 FR 2685586A1 FR 9115777 A FR9115777 A FR 9115777A FR 9115777 A FR9115777 A FR 9115777A FR 2685586 A1 FR2685586 A1 FR 2685586A1
Authority
FR
France
Prior art keywords
impedance
filter
channel
line
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR9115777A
Other languages
English (en)
French (fr)
Other versions
FR2685586B1 (cg-RX-API-DMAC7.html
Inventor
Recouly Marc
Pasquier Jean
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagem SA
Original Assignee
Sagem 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 Sagem SA filed Critical Sagem SA
Priority to FR9115777A priority Critical patent/FR2685586A1/fr
Publication of FR2685586A1 publication Critical patent/FR2685586A1/fr
Application granted granted Critical
Publication of FR2685586B1 publication Critical patent/FR2685586B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H2007/386—Multiple band impedance matching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
FR9115777A 1991-12-19 1991-12-19 Dispositif d'aiguillage en frequence a adaptation d'impedance. Granted FR2685586A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9115777A FR2685586A1 (fr) 1991-12-19 1991-12-19 Dispositif d'aiguillage en frequence a adaptation d'impedance.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9115777A FR2685586A1 (fr) 1991-12-19 1991-12-19 Dispositif d'aiguillage en frequence a adaptation d'impedance.

Publications (2)

Publication Number Publication Date
FR2685586A1 true FR2685586A1 (fr) 1993-06-25
FR2685586B1 FR2685586B1 (cg-RX-API-DMAC7.html) 1994-12-09

Family

ID=9420221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9115777A Granted FR2685586A1 (fr) 1991-12-19 1991-12-19 Dispositif d'aiguillage en frequence a adaptation d'impedance.

Country Status (1)

Country Link
FR (1) FR2685586A1 (cg-RX-API-DMAC7.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0744831A3 (en) * 1995-05-16 1997-02-12 Matsushita Electric Industrial Co Ltd Wireless device for time division multiple access system
FR2745131A1 (fr) * 1996-02-21 1997-08-22 Philips Electronics Nv Appareil de radio-telephonie multimode
WO1999022250A1 (en) * 1997-10-29 1999-05-06 Qualcomm Incorporated Dual-band rf test interface circuit
WO2005091428A1 (en) * 2004-03-22 2005-09-29 Filtronic Comtek Oy Input arrangement for a low-noise amplifier pair

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1572500A (cg-RX-API-DMAC7.html) * 1968-05-10 1969-06-27
US3733608A (en) * 1971-12-09 1973-05-15 Motorola Inc Circuit for coupling radio receiver and radio transmitter to a common antenna for duplex operation
US3815137A (en) * 1970-07-27 1974-06-04 Sinclair Radio Labor Inc Notch filter network
US4186359A (en) * 1977-08-22 1980-01-29 Tx Rx Systems Inc. Notch filter network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1572500A (cg-RX-API-DMAC7.html) * 1968-05-10 1969-06-27
US3815137A (en) * 1970-07-27 1974-06-04 Sinclair Radio Labor Inc Notch filter network
US3733608A (en) * 1971-12-09 1973-05-15 Motorola Inc Circuit for coupling radio receiver and radio transmitter to a common antenna for duplex operation
US4186359A (en) * 1977-08-22 1980-01-29 Tx Rx Systems Inc. Notch filter network

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0744831A3 (en) * 1995-05-16 1997-02-12 Matsushita Electric Industrial Co Ltd Wireless device for time division multiple access system
US5926466A (en) * 1995-05-16 1999-07-20 Matsushita Electric Industrial Co., Ltd. Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit
EP1146638A1 (en) * 1995-05-16 2001-10-17 Matsushita Electric Industrial Co., Ltd. Wireless unit for a time division multiple access system
FR2745131A1 (fr) * 1996-02-21 1997-08-22 Philips Electronics Nv Appareil de radio-telephonie multimode
EP0792027A1 (fr) * 1996-02-21 1997-08-27 Koninklijke Philips Electronics N.V. Appareil de radio-téléphonie multibande
WO1999022250A1 (en) * 1997-10-29 1999-05-06 Qualcomm Incorporated Dual-band rf test interface circuit
US6125107A (en) * 1997-10-29 2000-09-26 Qualcomm Incorporated Dual-band RF test interface circuit
WO2005091428A1 (en) * 2004-03-22 2005-09-29 Filtronic Comtek Oy Input arrangement for a low-noise amplifier pair
US7526263B2 (en) 2004-03-22 2009-04-28 Filtronic Comtek Oy Input arrangement for a low-noise amplifier pair
CN100566018C (zh) * 2004-03-22 2009-12-02 菲尔特朗尼克科姆特克有限公司 低噪声放大器对的输入布置

Also Published As

Publication number Publication date
FR2685586B1 (cg-RX-API-DMAC7.html) 1994-12-09

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