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JPS60124146U - 空中線切換回路 - Google Patents

空中線切換回路

Info

Publication number
JPS60124146U
JPS60124146U JP1984010742U JP1074284U JPS60124146U JP S60124146 U JPS60124146 U JP S60124146U JP 1984010742 U JP1984010742 U JP 1984010742U JP 1074284 U JP1074284 U JP 1074284U JP S60124146 U JPS60124146 U JP S60124146U
Authority
JP
Japan
Prior art keywords
switching circuit
diode
antenna switching
pass filter
low
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
JP1984010742U
Other languages
English (en)
Other versions
JPH0411393Y2 (ja
Inventor
重男 吉原
英夫 宮下
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP1984010742U priority Critical patent/JPS60124146U/ja
Priority to CA000472836A priority patent/CA1233881A/en
Priority to US06/694,884 priority patent/US4677688A/en
Priority to DE8585300552T priority patent/DE3560931D1/de
Priority to EP85300552A priority patent/EP0151014B1/en
Priority to AU38131/85A priority patent/AU577239B2/en
Publication of JPS60124146U publication Critical patent/JPS60124146U/ja
Application granted granted Critical
Publication of JPH0411393Y2 publication Critical patent/JPH0411393Y2/ja
Granted legal-status Critical Current

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
    • H04B1/44—Transmit/receive switching
    • 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
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
−第１図は従来の空中線切換回路を示した回路図、第２
図は本考案の基本となる回路構成図、第３図は本考案の
一実施例を示す回路構成図である。 １・・・ＬＰＦ、　　２・・・コンデンサ（カップリン
グ用）、３・・・コンデンサ（共振用）、４・・・ダイ
オード（送信接続用）、６・・・コンデンサ（バイパス
用）、′７・・・コンデンサ（カップリング用）、８・
・・抵抗、９・・・コイル（第１図ではチョークコイル
、第３図　　　’では共振用）、１０・・・ダイオード
（信号遮断用）、１３・・・コンデンサ（カップリング
）、１４・・・インピーダンス（Ｚｏ）、１５・・・イ
ンピーダンス（Ｚｉ）、１５□・・・コイル（送信時は
共振用、受信時は受信接続用）、１６・・・コンデンサ
（バランス用）、１８・・・電力入力端子、１９・・・
空中線端子、２０・・・受信出力端子、２１・・・送受
切換入力端子。

Claims (2)

    【実用新案登録請求の範囲】
  1. （１）　　単信用無線送受信装置の送信用ローパスフィ
    ルタを含む空中線切換回路において、アンテナ端子と前
    記ローパスフィルタの間の接続点とアース間にコイルと
    第１のダイオードとの直列回路を接続し、前記ローパス
    フィルタと電力入力・端子の間に直列に第２のダイオー
    ドを接続したことを特徴とする空中線切換回路。
  2. （２）　　前記第２のダイオードの両端に、受信時には
    前記ローパスフィルタと合成されて空中線側に対してハ
    イインピーダンスとなり且つ送信時には送信信号の共振
    回路となるインピーダンス回路を接続したことを更に特
    徴とする実用新案登録請求の範囲第（１）項に記載の空
    中線切換回路。
JP1984010742U 1984-01-27 1984-01-27 空中線切換回路 Granted JPS60124146U (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1984010742U JPS60124146U (ja) 1984-01-27 1984-01-27 空中線切換回路
CA000472836A CA1233881A (en) 1984-01-27 1985-01-25 Radio transceiver including an antenna switching circuit
US06/694,884 US4677688A (en) 1984-01-27 1985-01-25 Radio transceiver including an antenna switching circuit
DE8585300552T DE3560931D1 (en) 1984-01-27 1985-01-28 Radio transceiver including an antenna switching circuit
EP85300552A EP0151014B1 (en) 1984-01-27 1985-01-28 Radio transceiver including an antenna switching circuit
AU38131/85A AU577239B2 (en) 1984-01-27 1985-01-29 Transceiver aerial switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984010742U JPS60124146U (ja) 1984-01-27 1984-01-27 空中線切換回路

Publications (2)

Publication Number Publication Date
JPS60124146U true JPS60124146U (ja) 1985-08-21
JPH0411393Y2 JPH0411393Y2 (ja) 1992-03-23

Family

ID=11758751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984010742U Granted JPS60124146U (ja) 1984-01-27 1984-01-27 空中線切換回路

Country Status (6)

Country Link
US (1) US4677688A (ja)
EP (1) EP0151014B1 (ja)
JP (1) JPS60124146U (ja)
AU (1) AU577239B2 (ja)
CA (1) CA1233881A (ja)
DE (1) DE3560931D1 (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626320B2 (ja) * 1986-04-09 1994-04-06 日本電気株式会社 無線送受信装置
US5345473A (en) * 1987-01-22 1994-09-06 Outokumpu Oy Apparatus for providing two-way communication in underground facilities
US5054114A (en) * 1988-09-27 1991-10-01 Rockwell International Corporation Broadband RF transmit/receive switch
KR910005602A (ko) * 1989-08-12 1991-03-30 강진구 이동체 통신장비의 rf송수신회로
US4979232A (en) * 1989-08-14 1990-12-18 Harris Corporation Self-biasing solid-state T/R switch
US5276914A (en) * 1990-10-18 1994-01-04 Sony Corporation Dual-mode transceiver that switches out a large insertion loss filter during transmission
US5206639A (en) * 1990-10-25 1993-04-27 Timex Corporation Single antenna dual frequency transponder
US5239686A (en) * 1991-04-29 1993-08-24 Echelon Corporation Transceiver with rapid mode switching capability
US5442812A (en) * 1992-07-08 1995-08-15 Matsushita Electric Industrial Co., Ltd. Antenna switching apparatus for selectively connecting antenna to transmitter or receiver
JPH06291696A (ja) * 1993-03-30 1994-10-18 Sony Corp アンテナ共用器
US5594394A (en) * 1993-08-31 1997-01-14 Matsushita Electric Industrial Co., Ltd. Antenna diversity switching device with switching circuits between the receiver terminal and each antenna
DE69515979T2 (de) * 1994-12-29 2000-10-05 Koninklijke Philips Electronics N.V., Eindhoven Mobilfunkendgerät mit einem Schaltkreis
DE19537022C2 (de) * 1995-10-05 2003-05-15 Daimler Chrysler Ag Sende-/Empfangs-Schalter
GB2310341A (en) * 1996-02-15 1997-08-20 Motorola Gmbh Transmitter circuit and antenna switch
KR100478061B1 (ko) * 1996-02-27 2005-07-29 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 폴디드보우타이안테나
US6225865B1 (en) 1996-03-07 2001-05-01 Thomson Licensing S.A. Signal switching arrangement
US5915212A (en) * 1996-08-29 1999-06-22 Ericsson Inc. System and method for achieving extended radio coverage and additional capacity using extended frequency bands
US5789995A (en) * 1996-09-20 1998-08-04 Motorola, Inc. Low loss electronic radio frequency switch
JP2000134130A (ja) 1998-10-22 2000-05-12 Matsushita Electric Ind Co Ltd 送受切替スイッチ
ATE480908T1 (de) * 2001-09-18 2010-09-15 Nxp Bv Hf-schalter für eine drahtlose kommunikationsvorrichtung
JP3813083B2 (ja) * 2001-12-05 2006-08-23 ローム株式会社 送受信装置
JP2004147045A (ja) * 2002-10-24 2004-05-20 Matsushita Electric Ind Co Ltd 高周波スイッチ
EP1965500B1 (en) * 2007-02-28 2011-07-27 Laird Technologies AB Antenna device and portable radio communication device comprising such antenna device
JP2009159059A (ja) * 2007-12-25 2009-07-16 Samsung Electro Mech Co Ltd 高周波スイッチ回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111149U (ja) * 1983-12-28 1985-07-27 ソニー株式会社 アンテナ切り換え回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117241A (en) * 1961-09-29 1964-01-07 Gen Electric Transmit-receiver switch utilizing resonant circuits and oppositely poled parallel diodes for isolation
US3227954A (en) * 1963-05-07 1966-01-04 Jr Walter C Fichter Transmit-receive switching circuit utilizing diodes
FR1372506A (fr) * 1963-07-04 1964-09-18 Csf Nouveau dispositif de commutation électronique pour courants alternatifs
US3327215A (en) * 1964-09-18 1967-06-20 Motorola Inc Electronic circuit for selectively connecting a transmitter and a receiver to a single antenna
DE28476C (de) * 1965-04-30 H. bauermeister in Hamburg Vorrichtung zum Verstellen der Walzen von Walzenstühlen während des Betriebes
US3452299A (en) * 1965-10-15 1969-06-24 Rca Corp Transmit-receive switch
DE2362889A1 (de) * 1973-12-18 1975-06-19 Standard Elektrik Lorenz Ag Funk-sende/empfangsgeraet
US4055807A (en) * 1976-03-25 1977-10-25 Motorola, Inc. Antenna switch
DE2616185C3 (de) * 1976-04-13 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sende-Empfangseinrichtung mit einer umschaltbaren Kopplungsschaltung
DE2636969C2 (de) * 1976-08-17 1984-05-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt HF-Antennenschalter
JPS5773533A (en) * 1980-10-24 1982-05-08 Hitachi Denshi Ltd Antenna switch circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111149U (ja) * 1983-12-28 1985-07-27 ソニー株式会社 アンテナ切り換え回路

Also Published As

Publication number Publication date
EP0151014A2 (en) 1985-08-07
EP0151014A3 (en) 1985-08-21
AU577239B2 (en) 1988-09-15
AU3813185A (en) 1985-08-01
DE3560931D1 (en) 1987-12-10
US4677688A (en) 1987-06-30
EP0151014B1 (en) 1987-11-04
CA1233881A (en) 1988-03-08
JPH0411393Y2 (ja) 1992-03-23

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