FI107969B - Kretsanordning för koppling av rf-signaler - Google Patents

Kretsanordning för koppling av rf-signaler Download PDF

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Publication number
FI107969B
FI107969B FI922178A FI922178A FI107969B FI 107969 B FI107969 B FI 107969B FI 922178 A FI922178 A FI 922178A FI 922178 A FI922178 A FI 922178A FI 107969 B FI107969 B FI 107969B
Authority
FI
Finland
Prior art keywords
diodes
coupled
circuit
signal
diode
Prior art date
Application number
FI922178A
Other languages
English (en)
Finnish (fi)
Other versions
FI922178A (fi
FI922178A0 (fi
Inventor
Gerhard Maier
Bertram Fischer
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of FI922178A publication Critical patent/FI922178A/fi
Publication of FI922178A0 publication Critical patent/FI922178A0/fi
Application granted granted Critical
Publication of FI107969B publication Critical patent/FI107969B/sv

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
    • H03K17/76—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors

Landscapes

  • Electronic Switches (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Air Bags (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transmitters (AREA)
  • Dental Prosthetics (AREA)
  • Luminescent Compositions (AREA)
  • Dental Preparations (AREA)

Claims (3)

1. Kretsarrangemang innefattande tvä ingängsanslutningar (INI, IN2) för om-koppling av rf-signaler till en utgängsanslutning (OUT) via flera seriellt kopplade dioder (Dl, D2, D3, D6, D7, D8), och i vardera ingängskretsen ätminstone en diod 5 med vilken ätminstone en anslutningspunkt mellan de seriellt kopplade diodema kopplas till referenspotential, kännetecknat av att tre dioder (Dl, D2, D3) kopplats seriellt frän ingängen (INI) till utgängen (OUT), varvid diodernas (Dl, D2) katoder kopplats ihop och diodernas (D2, D3) anoder kopplats ihop, och att diodernas (Dl, D2) katoder kopplats till den första varaktordiodens (D4) katod, vars anod kopplats 10 till referenspotential via kondensatom (C4), och att diodernas (D2, D3) anoder kopplats till den andra varaktordiodens (D5) anod, vars katod kopplats till referenspotential via kondensatom (C5), och att frän ingängen (IN2) kopplats tre dioder (D6, D7, D8) till utgängen (OUT), varvid diodernas (D6, D7) anoder kopplats ihop och varvid diodernas (D7, D8) katoder kopplats ihop, och att diodernas (D6, D7) 15 anoder kopplats till den tredje varaktordiodens (D9) anod, vars katod kopplats till referenspotential via kondensatom (C7), och att diodernas (D7, D8) katoder kopplats till en fjärde varaktordiods (DIO) katod, vars anod kopplats till referenspotential via kondensatom (C8).
2. Kretsarrangemang enligt patentkrav 1, kännetecknat av att isolering erhalls 20 mellan nämnda tvä ingängsanslutningar (INI, IN2) da kretsen inte aktiverats. • » • ♦ « • ·
3. Styrsystem enligt patentkrav 1 eller 2, kännetecknat av att nämnda krets inrättats för en televisionsmottagare. • · © • · « · · • · · • « • · • · « • · · • · ··» • · · » · · • » • · · • « • · · • · · • » · Ml • · · • · • · 1 * · • » • 1 1
FI922178A 1989-11-15 1992-05-13 Kretsanordning för koppling av rf-signaler FI107969B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3937934A DE3937934A1 (de) 1989-11-15 1989-11-15 Schaltungsanordnung zur durchschaltung von hf-signalen
DE3937934 1989-11-15
EP9001832 1990-11-02
PCT/EP1990/001832 WO1991007820A1 (en) 1989-11-15 1990-11-02 Circuit arrangement for switching of rf signals

Publications (3)

Publication Number Publication Date
FI922178A FI922178A (fi) 1992-05-13
FI922178A0 FI922178A0 (fi) 1992-05-13
FI107969B true FI107969B (sv) 2001-10-31

Family

ID=6393550

Family Applications (1)

Application Number Title Priority Date Filing Date
FI922178A FI107969B (sv) 1989-11-15 1992-05-13 Kretsanordning för koppling av rf-signaler

Country Status (15)

Country Link
US (1) US5327017A (sv)
EP (1) EP0500577B1 (sv)
JP (1) JP2944743B2 (sv)
KR (1) KR920704425A (sv)
CN (1) CN1020032C (sv)
AT (1) ATE120906T1 (sv)
AU (1) AU6608090A (sv)
DE (2) DE3937934A1 (sv)
ES (1) ES2072451T3 (sv)
FI (1) FI107969B (sv)
HK (1) HK16696A (sv)
HU (2) HUT63277A (sv)
TR (1) TR25466A (sv)
WO (1) WO1991007820A1 (sv)
ZA (1) ZA909180B (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426015B4 (de) * 1994-07-22 2006-01-12 Deutsche Thomson-Brandt Gmbh Schaltung zum Umschalten eines Ausgangs zwischen zwei HF-Signal-Eingängen
US5532655A (en) * 1995-02-24 1996-07-02 Hewlett-Packard Company Method and apparatus for AC/DC signal multiplexing
DE19538172A1 (de) * 1995-10-13 1997-04-17 Philips Patentverwaltung Schaltungsanordnung zum Einspeisen eines Antennensignals
US6218882B1 (en) * 1995-12-23 2001-04-17 Nec Corporation Diode circuit for clamping the signals on a transmission line to a predetermined potential
US5777530A (en) * 1996-01-31 1998-07-07 Matsushita Electric Industrial Co., Ltd. Switch attenuator
JP3094920B2 (ja) * 1996-10-11 2000-10-03 日本電気株式会社 半導体スイッチ
JP2000101376A (ja) * 1998-09-21 2000-04-07 General Res Of Electronics Inc 可変容量回路
JP3807931B2 (ja) * 2000-11-29 2006-08-09 アルプス電気株式会社 信号切替回路
JP3610924B2 (ja) * 2001-05-30 2005-01-19 株式会社村田製作所 アンテナ共用器および通信装置
WO2004086623A1 (en) * 2003-03-28 2004-10-07 Koninklijke Philips Electronics N.V. Electronically controllable rf switch
DE102005034878B4 (de) * 2004-07-26 2011-08-18 Kyocera Corp. Wahlschalter, Hochfrequenz-Sende-/Empfangsvorrichtung, Radarvorrichtung, mit der Radarvorrichtung ausgestattetes Fahrzeug und kleines Schiff
JP2008511235A (ja) 2004-08-25 2008-04-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチアンテナ入力のためのｒｆ選択スイッチ
JP4899219B2 (ja) * 2005-01-17 2012-03-21 エスティー‐エリクソン、ソシエテ、アノニム モジュール式スイッチング装置
JP2006319435A (ja) 2005-05-10 2006-11-24 Alps Electric Co Ltd スイッチ回路
CN103885011B (zh) * 2012-12-20 2017-04-05 西门子(深圳)磁共振有限公司 一种适配器、线圈和磁共振成像系统
CN103634021B (zh) * 2013-12-09 2016-05-18 深圳市双赢伟业科技股份有限公司 一种无线射频开关电路

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657318A (en) * 1952-03-22 1953-10-27 Bell Telephone Labor Inc Electronic switch
FR1519740A (fr) * 1967-02-20 1968-04-05 Cit Alcatel Cellule d'affaiblissement à diodes
FR2071347A5 (sv) * 1969-12-24 1971-09-17 Centre Nat Etd Spatiales
US3715647A (en) * 1971-03-31 1973-02-06 Ajax Magnethermic Corp Frequency converter for converting multiphase low frequency alternating current into single-phase higher frequency alternating current
US3748499A (en) * 1971-12-20 1973-07-24 Teledyne Ryan Aeronautical Voltage variable non-induction phase shifter with monolithic implementation
JPS567526A (en) * 1979-07-02 1981-01-26 Oki Electric Ind Co Ltd Diode switch circuit including resonant circuit
US4316108A (en) * 1979-09-25 1982-02-16 Rogers Jr Walter M Tracking filter for FM threshold extension
US4363033A (en) * 1980-06-02 1982-12-07 Gte Products Corporation Video switch circuit
JPS5848144U (ja) * 1981-09-28 1983-03-31 アルプス電気株式会社 高周波スイツチ回路装置
NO831718L (no) * 1983-05-13 1984-11-14 Vingmed As Fremgangsmaate og apparat ved blodstroem-hastighetsmaaling med ultralyd for dannelse av todimensjonal avbildning av blodets hastighet
JPS60260220A (ja) * 1984-06-06 1985-12-23 Sharp Corp Ｒｆ可変減衰回路
US4679247A (en) * 1985-03-27 1987-07-07 Cincinnati Microwave, Inc. FM receiver
US4598423A (en) * 1985-02-28 1986-07-01 Rca Corporation Tuning circuit for a multiband tuner
FR2612023B1 (fr) * 1987-03-03 1994-04-08 Aerospatiale Ste Nationale Indle Dispositif de commande bidirectionnelle d'un signal electrique de puissance a tres haute frequence
JPS63286023A (ja) * 1987-05-19 1988-11-22 Matsushita Electric Ind Co Ltd 受信機のアンテナ入力切換回路

Also Published As

Publication number Publication date
DE69018475D1 (de) 1995-05-11
WO1991007820A1 (en) 1991-05-30
EP0500577B1 (en) 1995-04-05
FI922178A (fi) 1992-05-13
JP2944743B2 (ja) 1999-09-06
HK16696A (en) 1996-02-02
DE69018475T2 (de) 1995-08-17
AU6608090A (en) 1991-06-13
ES2072451T3 (es) 1995-07-16
EP0500577A1 (en) 1992-09-02
HUT63277A (en) 1993-07-28
ZA909180B (en) 1991-09-25
KR920704425A (ko) 1992-12-19
ATE120906T1 (de) 1995-04-15
DE3937934A1 (de) 1991-05-16
CN1051833A (zh) 1991-05-29
HU9201566D0 (en) 1992-08-28
CN1020032C (zh) 1993-03-03
FI922178A0 (fi) 1992-05-13
US5327017A (en) 1994-07-05
JPH05501642A (ja) 1993-03-25
TR25466A (tr) 1993-05-01

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