KR890017897A - 위성방송 수신용 저잡음 블럭 변환기 - Google Patents

위성방송 수신용 저잡음 블럭 변환기 Download PDF

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Publication number
KR890017897A
KR890017897A KR1019880005804A KR880005804A KR890017897A KR 890017897 A KR890017897 A KR 890017897A KR 1019880005804 A KR1019880005804 A KR 1019880005804A KR 880005804 A KR880005804 A KR 880005804A KR 890017897 A KR890017897 A KR 890017897A
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KR
South Korea
Prior art keywords
signal
band
ghz
signals
output
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KR1019880005804A
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English (en)
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KR910003234B1 (ko
Inventor
박현철
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안시환
삼성전자 주식회사
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Priority to KR1019880005804A priority Critical patent/KR910003234B1/ko
Priority to US07/301,456 priority patent/US5263182A/en
Priority to DE3903262A priority patent/DE3903262A1/de
Priority to GB8902571A priority patent/GB2218870B/en
Publication of KR890017897A publication Critical patent/KR890017897A/ko
Application granted granted Critical
Publication of KR910003234B1 publication Critical patent/KR910003234B1/ko

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    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1864—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator
    • H03B5/187—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator the active element in the amplifier being a semiconductor device
    • H03B5/1876—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator the active element in the amplifier being a semiconductor device the semiconductor device being a field-effect device

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

내용 없음

Description

위성방송 수신용 저잡음 블럭 변환기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 3 도는 본 발명에 따른 위성방송 수신시 스텝구성도, 제 4 도는 본 발명에 따른 블럭도, 제 5 도는 본 발명에 따른 구체회로도.

Claims (2)

  1. 위성방송 시스템에 있어서, 위성으로부터 송출되는 신호를 수신하는 안테나(101)와, 상기 안테나(101)로부터 FSS/BSS대역의 위성방송 신호를 FSS/BSS선택신호에 따라 2개의 국부발진기중 하나를 선택하여 모두 수신할 수 있는 겸용 저잡음 블럭기(102)와, 상기 겸용 저잡음 블럭기(102)로부터 출력되는 IF신호를 받으며 FSS/BSS선택신호를 발생하고 수신된 위성 IF신호를 RF신호로 하여 텔레비젼 모니터로 출력되도록 하는 위성방송 수신기(30)로 구성됨을 특징으로 하는 회로.
  2. 제 1 항에 있어서, 겸용 저잡음블럭기(102)가 안테나(101)로부터 수신된 RF신호가 도파관을 거쳐 프로브에 의해 검출되고 변환기에 의해 변환시켜 출력하는 도파관/마이크로스트립 선로변환부(100)와, 상기 도파관/마이크로 스트립 선로변환부(100)를 통한 중간주파수 10.95-11.7GHZ와 11.7-12.5GHZ의 신호를 11.725GHZ에서 1.55GHZ의 대역에서 저주파 특성으로 중폭하는 초고주파 광대역증폭기(200)와, 상기 초고주파 광대역 증폭기(200)의 출력에서 원하는 RF신호와의 다른신호를 제거하기 위해 10.95-12.5GHZ대역을 통과시키는 제 1 대역통과필터(300)와, 바이어스 입력 노드(1211)의 입력을 선택신호 입력단(1212)을 통해 입력되는 신호에 의해 바이어싱을 스위칭하는 선택스위치(1200)와, 상기 선택스위치(1200)의 출력되는 바이어스에 따라 소정 국부발진신호를 발생하는 제1,2유전체 공진발진부(700,800)와, 상기 제 1 유전체 공진발진부(700)의 발진신호를 10GHZ대역에서 필터링하는 제 2 대역통과 필텨(500)와, 상기 제 2 유전체 공진발진부(700)의 발진 신호를 10.75GHZ대역에서 필터링하는 제 3 대역통과 필터(600)와, 상기 제 2,3대역통과필터(500,600)를 통해 발생되는 두발진기의 신호중 하나를 출력하는 파우어 콤바이너(1300)와, 상기 제 1 대역통과필터(300)와 상기 파우어콤바이더(1300)의 신호를 믹싱하여 가해진 RF신호와 발진기 신호의 차를 출력하는 믹서(400)와, 상기 믹서(400)의 출력에서 0.95-1.75GHZ대역통과 필터(900)와, 상기 제 4 대역 통과필터(900)의 출력을 IF주파수대로 증폭하는 IF증폭기(1000)와, 상기 IF증폭기(1000) 신호를 받아 상기 각부 바이어스 전원신호를 발생하는 전원회로(1100)로 구성됨을 특징으로 하는 회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880005804A 1988-05-18 1988-05-18 위성방송 수신용 저잡음 블럭 변환기 KR910003234B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019880005804A KR910003234B1 (ko) 1988-05-18 1988-05-18 위성방송 수신용 저잡음 블럭 변환기
US07/301,456 US5263182A (en) 1988-05-18 1989-01-24 Low-noise block converter for a satellite broadcasting system
DE3903262A DE3903262A1 (de) 1988-05-18 1989-02-03 Empfangssystem fuer ein satellitenrundfunksystem
GB8902571A GB2218870B (en) 1988-05-18 1989-02-06 Low-noise frequency converter for a satellite broadcasting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880005804A KR910003234B1 (ko) 1988-05-18 1988-05-18 위성방송 수신용 저잡음 블럭 변환기

Publications (2)

Publication Number Publication Date
KR890017897A true KR890017897A (ko) 1989-12-18
KR910003234B1 KR910003234B1 (ko) 1991-05-24

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Country Status (4)

Country Link
US (1) US5263182A (ko)
KR (1) KR910003234B1 (ko)
DE (1) DE3903262A1 (ko)
GB (1) GB2218870B (ko)

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EP0718964A3 (en) * 1994-12-20 1996-10-02 Fujitsu Compound Semiconductor Switchable oscillator circuit and method
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Also Published As

Publication number Publication date
KR910003234B1 (ko) 1991-05-24
GB8902571D0 (en) 1989-03-22
DE3903262A1 (de) 1989-11-30
GB2218870B (en) 1992-09-16
GB2218870A (en) 1989-11-22
US5263182A (en) 1993-11-16
DE3903262C2 (ko) 1992-08-27

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