KR970055688A - 위성방송수신튜너 - Google Patents

위성방송수신튜너 Download PDF

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Publication number
KR970055688A
KR970055688A KR1019960061346A KR19960061346A KR970055688A KR 970055688 A KR970055688 A KR 970055688A KR 1019960061346 A KR1019960061346 A KR 1019960061346A KR 19960061346 A KR19960061346 A KR 19960061346A KR 970055688 A KR970055688 A KR 970055688A
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KR
South Korea
Prior art keywords
variable
band pass
pass filter
satellite broadcast
tuning
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Application number
KR1019960061346A
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English (en)
Other versions
KR100201479B1 (ko
Inventor
진상현
겐 이찌무라
마사요시 노구찌
도시미쯔 기누가와
Original Assignee
김광호
삼성전자 주식회사
이데이 노브유끼
소니가부시끼가이샤
가다오까 마사다까
아루푸스 덴키 가부시키가이샤
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.)
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Application filed by 김광호, 삼성전자 주식회사, 이데이 노브유끼, 소니가부시끼가이샤, 가다오까 마사다까, 아루푸스 덴키 가부시키가이샤 filed Critical 김광호
Publication of KR970055688A publication Critical patent/KR970055688A/ko
Application granted granted Critical
Publication of KR100201479B1 publication Critical patent/KR100201479B1/ko

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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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • 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
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • 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
    • H03H7/01—Frequency selective two-port networks
    • H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • 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
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0067—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
    • H04B1/0082—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
    • H04B1/0089—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
    • H04B1/0092—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
  • Filters And Equalizers (AREA)
  • Radio Relay Systems (AREA)

Abstract

주파수 480MHz근방의 방해파성분을 충분히 감쇠제거할 수 있고, 고역측주파수에 대한 동조를 간단하게 행할 수 있는 밴드패스필터(1)를 구비한 위성방송수신튜너를 제공한다.
적어도 다운컨버트된 위성방송수신신호를 전송하는 밴드패스필터(1)와, 밴드패스필터(1)를 통과한 위성방송수신신호를 중간주파수로 변환하는 주파수변환부를 구비하고, 밴드패스필터(1)는 직렬접속의 인덕터(2, 3)와, 분로접속의 가변용량소자(7)로 이루어지는 제 1가변동조회로 및 직렬접속의 인덕터(4, 5)와, 분로접속의 가변용량소자(9)로 이루어지는 제 2가변동조회로의 종속접속회로 및 제 1 및 제 2가변동조회로의 접속점에 분로접속되어 중간주파수를 선택감쇠시키는 트랩소자(6)에 의하여 구성된다. 그리고 트랩소자(6)는 칩콘덴서이며, 인덕터(2 내지 5)는 스트립라인이다.

Description

위성방송수신튜너
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도 5는 공지의 BS튜너구성의 일예를 나타내는 블록구성도,

Claims (7)

  1. 적어도 다운컨버트된 위성방송수신신호를 전송하는 밴드패스필터와, 상기 밴드패스필터를 통과한 위성방송수신신호를 중간주파수로 변환하는 주파수변환부를 구비하고, 상기 밴드패스필터는 종속(從續) 접속되는 두 개의 가변동조회로와, 상기 두 개의 가변동조회로의 접속점에 접속되어 상기 중간주파수를 선택감쇠시키는 트랩소자로 이루어지는 것을 특징으로 하는 위성방송수신튜너.
  2. 제 1항에 있어서, 상기 두 개의 가변동조회로는 전압제어가변용량다이오드를 포함하는 가변주파수밴드패스필터인 것을 특징으로 하는 위성방송수신튜너.
  3. 제 2항에 있어서, 상기 두 개의 가변동조회로는 각각 직렬접속된 제 1 및 제 2스트립라인과, 상기 제 1 및 제 2스트립라인의 접속점과 기준전위점간에 분로접속된 전압제어가변용량다이오드를 구비하는 것을 특징으로 하는 위성방송수신튜너.
  4. 제 3항에 있어서, 상기 전압제어가변용량다이오드는 상기 제 1스트립라인 또는 상기 제 2스트립라인을 거쳐 공급되는 동조제어전압에 의하여 용량이 가변되는 것을 특징으로 하는 위성방송수신튜너.
  5. 제 1항에 있어서, 상기 두 개의 가변동조회로는 각각 직렬접속된 제 1 및 제 2스트립라인과, 상기 제 1 및 제 2스트립라인의 접속점과 기준전위점간에 분로접속된 전압제어가변용량다이오드를 구비하는 것을 특징으로 하는 위성방송수신튜너.
  6. 제 3항에 있어서, 상기 전압제어가변용량다이오드는 상기 제 1스트립라인 또는 상기 제 2스트립라인을 거쳐 공급되는 동조제어전압에 의하여 용량이 가변되는 것을 특징으로 하는 위성방송수신튜너.
  7. 제 1항에 있어서, 상기 트랩소자는 칩콘덴서인 것을 특징으로 하는 위성방송수신튜너.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960061346A 1995-12-04 1996-12-03 위성방송 수신튜너 KR100201479B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7315314A JPH09162766A (ja) 1995-12-04 1995-12-04 衛星放送受信チューナ
JP7-315314 1995-12-04
JP95-344149 1995-12-28
KR95-61662 1995-12-28

Publications (2)

Publication Number Publication Date
KR970055688A true KR970055688A (ko) 1997-07-31
KR100201479B1 KR100201479B1 (ko) 1999-06-15

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KR1019960061346A KR100201479B1 (ko) 1995-12-04 1996-12-03 위성방송 수신튜너

Country Status (5)

Country Link
US (1) US5963842A (ko)
JP (1) JPH09162766A (ko)
KR (1) KR100201479B1 (ko)
DE (1) DE19650096C2 (ko)
TW (1) TW351874B (ko)

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Also Published As

Publication number Publication date
TW351874B (en) 1999-02-01
US5963842A (en) 1999-10-05
DE19650096C2 (de) 2003-08-14
KR100201479B1 (ko) 1999-06-15
DE19650096A1 (de) 1997-06-05
JPH09162766A (ja) 1997-06-20

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