DE69524689T2 - Doppelt abgestimmte, frequenzbandumschaltbare HF-Schaltungsanordnung mit symmetrischen Ausgangssignalen - Google Patents

Doppelt abgestimmte, frequenzbandumschaltbare HF-Schaltungsanordnung mit symmetrischen Ausgangssignalen

Info

Publication number
DE69524689T2
DE69524689T2 DE69524689T DE69524689T DE69524689T2 DE 69524689 T2 DE69524689 T2 DE 69524689T2 DE 69524689 T DE69524689 T DE 69524689T DE 69524689 T DE69524689 T DE 69524689T DE 69524689 T2 DE69524689 T2 DE 69524689T2
Authority
DE
Germany
Prior art keywords
tuned
double
frequency band
output signals
circuit arrangement
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 - Lifetime
Application number
DE69524689T
Other languages
English (en)
Other versions
DE69524689D1 (de
Inventor
Michael Anthony Pugel
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics 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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69524689D1 publication Critical patent/DE69524689D1/de
Publication of DE69524689T2 publication Critical patent/DE69524689T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE69524689T 1994-08-08 1995-08-04 Doppelt abgestimmte, frequenzbandumschaltbare HF-Schaltungsanordnung mit symmetrischen Ausgangssignalen Expired - Lifetime DE69524689T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/287,003 US5619283A (en) 1994-08-08 1994-08-08 Double tuned RF circuit with balanced secondary

Publications (2)

Publication Number Publication Date
DE69524689D1 DE69524689D1 (de) 2002-01-31
DE69524689T2 true DE69524689T2 (de) 2002-06-13

Family

ID=23101059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524689T Expired - Lifetime DE69524689T2 (de) 1994-08-08 1995-08-04 Doppelt abgestimmte, frequenzbandumschaltbare HF-Schaltungsanordnung mit symmetrischen Ausgangssignalen

Country Status (8)

Country Link
US (1) US5619283A (de)
EP (1) EP0696870B1 (de)
JP (1) JP3670350B2 (de)
KR (1) KR100377427B1 (de)
CN (1) CN1088958C (de)
DE (1) DE69524689T2 (de)
MY (1) MY115367A (de)
SG (1) SG54081A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715531A (en) * 1995-11-20 1998-02-03 Nextlevel Systems (Taiwan), Ltd. Synchronous tracking filter circuit for a broadcast satellite tuner
JPH11127028A (ja) * 1997-10-21 1999-05-11 Alps Electric Co Ltd 平衡型発振器
JPH11205700A (ja) * 1998-01-12 1999-07-30 Alps Electric Co Ltd 複同調回路
DE19956428A1 (de) * 1999-11-24 2001-05-31 Thomson Brandt Gmbh Oszillator mit einem abstimmbaren Schwingkreis
US7102464B1 (en) * 2002-04-04 2006-09-05 Triquint Semiconductor, Inc. Switched transformer for adjusting power amplifier loading
JP4451827B2 (ja) * 2005-08-29 2010-04-14 アルプス電気株式会社 電子回路及びテレビジョンチューナ
US20100026389A1 (en) * 2008-08-01 2010-02-04 James Breslin Dual mode power amplifier output network
JP2011023891A (ja) * 2009-07-14 2011-02-03 Alps Electric Co Ltd テレビジョン放送信号受信チューナ
US11139779B2 (en) * 2019-10-21 2021-10-05 Samsung Electronics Co., Ltd. Dual band mixer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628152A (en) 1970-02-25 1971-12-14 Rca Corp Television tuning circuit utilizing voltage variable capacitance
US3962643A (en) * 1974-08-05 1976-06-08 Zenith Radio Corporation Abrupt junction varactor diode television tuner
US4646360A (en) * 1984-03-07 1987-02-24 Rca Corporation Constant bandwidth RF filter with improved low frequency attenuation
JPH0666643B2 (ja) * 1984-08-16 1994-08-24 松下電器産業株式会社 高周波信号受信用可変容量同調回路
JPS62155517U (de) * 1986-03-25 1987-10-02
US4905306A (en) * 1988-02-26 1990-02-27 Rca Licensing Corporation Filter switching arrangement for a tuner
US4996599A (en) * 1989-04-14 1991-02-26 Rca Licensing Corporation Television tuner oscillator with three point tracking
US5077543A (en) * 1991-02-07 1991-12-31 Ungermann-Bass, Inc. Balanced low-pass common mode filter
US5285179A (en) * 1992-08-28 1994-02-08 Thomson Consumer Electronics, Inc. Double tuned circuit with balanced output and image trap

Also Published As

Publication number Publication date
US5619283A (en) 1997-04-08
CN1088958C (zh) 2002-08-07
JPH0870409A (ja) 1996-03-12
JP3670350B2 (ja) 2005-07-13
KR100377427B1 (ko) 2003-06-19
EP0696870A1 (de) 1996-02-14
MY115367A (en) 2003-05-31
CN1120283A (zh) 1996-04-10
DE69524689D1 (de) 2002-01-31
EP0696870B1 (de) 2001-12-19
KR960009665A (ko) 1996-03-22
SG54081A1 (en) 1998-11-16

Similar Documents

Publication Publication Date Title
FI933988A (fi) Useita resonaattoreita käsittävä radiotaajuussuodatin
DE69313901D1 (de) Hochfrequenzsignal-Übertragungsband
DE69028271D1 (de) Hochfrequenz-Übertragungsleitungsschaltung
DE69521956T2 (de) Funkfrequenzfilter mit helikoidalen Resonatoren
FI930944A0 (fi) Radiotaajuussuodatin
DE69700244T2 (de) Hochfrequenzmodul
DE69416345D1 (de) Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band
NO883572D0 (no) Hurtigavstemmende induktor for radiofrekvensnettverk.
NO883710D0 (no) Radiofrekvensskjermet hybridkrets.
DE69429065D1 (de) Hochfrequenz-Sperrschaltung
DE69524689D1 (de) Doppelt abgestimmte, frequenzbandumschaltbare HF-Schaltungsanordnung mit symmetrischen Ausgangssignalen
DE58905789D1 (de) Hochfrequenz-bandpassfilter.
KR960009666A (ko) 평형 2차측을 갖는 대역 스위치가능 복동조 고주파(rf)회로
DE3481029D1 (de) Abgestimmte rahmenantenne mit umschaltbarem frequenzbereich.
NO913143D0 (no) Addisjonskrets for hoeyfrekvenssignaler.
NO901464L (no) Radiofrekvens-begrenserkrets.
DE69732994D1 (de) Hochfrequenz-signalempfänger
DE69712769D1 (de) Hochfrequenzantenne
DE69733070D1 (de) Empfänger mit abstimmbarem parallelresonanzkreis
KR970060007U (ko) 동조대역이 확장된 동조회로
KR950028854U (ko) 중간 주파수 동조회로
KR960009427U (ko) 중간주파수 동조회로
KR980005741U (ko) 주파수 선국회로
KR950034575U (ko) 고주파(rf)신호 출력회로
KR960012700U (ko) 안테나 불필요전파 제거필터

Legal Events

Date Code Title Description
8364 No opposition during term of opposition