FR2578123B1 - Reseau d'accouplement entre etages a bande changee comprenant un condensateur couple cote haut - Google Patents

Reseau d'accouplement entre etages a bande changee comprenant un condensateur couple cote haut

Info

Publication number
FR2578123B1
FR2578123B1 FR868602730A FR8602730A FR2578123B1 FR 2578123 B1 FR2578123 B1 FR 2578123B1 FR 868602730 A FR868602730 A FR 868602730A FR 8602730 A FR8602730 A FR 8602730A FR 2578123 B1 FR2578123 B1 FR 2578123B1
Authority
FR
France
Prior art keywords
stages
band including
coupling network
side torque
changed band
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.)
Expired - Fee Related
Application number
FR868602730A
Other languages
English (en)
Other versions
FR2578123A1 (fr
Inventor
James Hettiger
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2578123A1 publication Critical patent/FR2578123A1/fr
Application granted granted Critical
Publication of FR2578123B1 publication Critical patent/FR2578123B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Filters And Equalizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FR868602730A 1985-02-28 1986-02-27 Reseau d'accouplement entre etages a bande changee comprenant un condensateur couple cote haut Expired - Fee Related FR2578123B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/705,497 US4584544A (en) 1985-02-28 1985-02-28 Bandswitched interstage coupling network including a high side coupled capacitor

Publications (2)

Publication Number Publication Date
FR2578123A1 FR2578123A1 (fr) 1986-08-29
FR2578123B1 true FR2578123B1 (fr) 1990-01-12

Family

ID=24833740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868602730A Expired - Fee Related FR2578123B1 (fr) 1985-02-28 1986-02-27 Reseau d'accouplement entre etages a bande changee comprenant un condensateur couple cote haut

Country Status (9)

Country Link
US (1) US4584544A (fr)
JP (1) JPS61212106A (fr)
KR (1) KR930004133B1 (fr)
CA (1) CA1263150A (fr)
DE (1) DE3606437A1 (fr)
FR (1) FR2578123B1 (fr)
GB (1) GB2171868B (fr)
HK (1) HK33594A (fr)
SG (1) SG14592G (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614501Y2 (ja) * 1985-04-26 1994-04-13 シャープ株式会社 Ｃａｔｖ用コンバ−タにおけるバンドパスフィルタ
US5198825A (en) * 1988-06-10 1993-03-30 Nippon Sheet Glass Co., Ltd. Reception system for a motor vehicle
FR2644649B1 (fr) * 1989-03-17 1991-05-31 Portenseigne Radiotechnique Filtre passe-bande a largeur de bande ajustable
US4956710A (en) * 1989-04-14 1990-09-11 Rca Licensing Corporation Television receiver tuner high pass input filter with CB trap
US5351018A (en) * 1992-11-25 1994-09-27 Thomson Consumer Electronics, Inc. Antenna isolation assembly for hot chassis receiver
US5349894A (en) * 1993-10-01 1994-09-27 Loud Engineering & Manufacturing Locking hydraulic actuator
GB9508592D0 (en) * 1995-04-27 1995-06-14 Rca Thomson Licensing Corp Rf filter and agc circuit
JPH11205700A (ja) 1998-01-12 1999-07-30 Alps Electric Co Ltd 複同調回路
JP3592160B2 (ja) 1999-11-25 2004-11-24 アルプス電気株式会社 チューナの複同調回路
DE10012872C1 (de) * 2000-03-16 2001-08-09 Infineon Technologies Ag Elektronisches Bauelement mit Kapazitätsdioden, Verwendung des Bauelements in einer Empfangseinheit und Schaltungsanordnung mit dem Bauelement (z.B. Drei-Band-Fernseh-Tuner)
GB2362049B (en) * 2000-05-04 2002-11-06 Alps Electric Switching double tuned circuit
US7230503B1 (en) * 2002-02-28 2007-06-12 Silicon Laboratories Inc. Imbalanced differential circuit control
CN100364229C (zh) * 2002-04-26 2008-01-23 汤姆森特许公司 用于适配天线特性的、具有电可调整响应的调谐器输入滤波器
DE10300892A1 (de) * 2003-01-13 2004-07-22 Deutsche Thomson-Brandt Gmbh Schaltbares abstimmbares Bandfilter mit optimiertem Frequenzgang
DE102006020029B4 (de) * 2006-04-26 2016-06-30 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Adaptive, kapazitive Koppelschaltung und Verfahren zur Nachrichtenübertragung über geschirmte Energiekabel eines elektrischen Energieverteilnetzes
WO2017043155A1 (fr) 2015-09-09 2017-03-16 株式会社村田製作所 Circuit d'extrémité avant haute-fréquence à filtre lc à fréquence variable
WO2017159112A1 (fr) 2016-03-14 2017-09-21 株式会社村田製作所 Filtre lc accordable en fréquence, module frontal haute fréquence et dispositif de communication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049682A (en) * 1955-03-07 1962-08-14 Philco Corp Constant bandwidth coupling system
FR1524115A (fr) * 1967-01-25 1968-05-10 Orega Electro Mecanique Commutateur u.h.f. - v.h.f. pour récepteur de télévision
GB1147507A (en) * 1967-09-27 1969-04-02 Standard Kollsman Ind Inc Solid state tuner
US4153887A (en) * 1977-12-05 1979-05-08 The Magnavox Company Electrically tunable bandpass filter
DE3213790A1 (de) * 1982-04-15 1983-10-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verstaerker- oder tunerschaltung
DE3321262A1 (de) * 1983-06-11 1984-12-13 Telefunken electronic GmbH, 7100 Heilbronn Abstimmschaltung fuer die bereiche uhf- und vhf

Also Published As

Publication number Publication date
JPH0254969B2 (fr) 1990-11-26
KR930004133B1 (ko) 1993-05-20
SG14592G (en) 1992-04-16
CA1263150A (fr) 1989-11-21
HK33594A (en) 1994-04-22
DE3606437C2 (fr) 1991-11-21
JPS61212106A (ja) 1986-09-20
US4584544A (en) 1986-04-22
GB2171868A (en) 1986-09-03
DE3606437A1 (de) 1986-08-28
KR860006893A (ko) 1986-09-15
GB8604834D0 (en) 1986-04-03
FR2578123A1 (fr) 1986-08-29
GB2171868B (en) 1989-04-12

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse