KR900004119A - C/ku- 밴드 위성방송 동시 수신용 LNB - Google Patents

C/ku- 밴드 위성방송 동시 수신용 LNB Download PDF

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Publication number
KR900004119A
KR900004119A KR1019880010190A KR880010190A KR900004119A KR 900004119 A KR900004119 A KR 900004119A KR 1019880010190 A KR1019880010190 A KR 1019880010190A KR 880010190 A KR880010190 A KR 880010190A KR 900004119 A KR900004119 A KR 900004119A
Authority
KR
South Korea
Prior art keywords
band
intermediate frequency
mixer
lnb
satellite broadcasting
Prior art date
Application number
KR1019880010190A
Other languages
English (en)
Inventor
강원철
Original Assignee
안시환
삼성전자 주식회사
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 안시환, 삼성전자 주식회사 filed Critical 안시환
Priority to KR1019880010190A priority Critical patent/KR900004119A/ko
Priority to US07/378,927 priority patent/US5119509A/en
Publication of KR900004119A publication Critical patent/KR900004119A/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • 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

Landscapes

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

Abstract

내용 없음

Description

C/ku-밴드 위성방송 동시 수신용 LNB
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 고안의 회로도.

Claims (2)

  1. C-밴드 및 ku-밴드 신호를 각각의 도파관(1,1′)과 저잡음 증폭기(2,3,4,2′,3′,4′) 대역통과필터(5,5′) 및 임피던스 정합회로(6,6′)를 통하여 믹서기(10)에 인가시키는 C/ku-밴드 신호처리 수단의 출력신호를 국부 발진 주파수에 의해 믹서기(10)에서 중간 주파수로 변환시키는 국부발진 수단과, 상기 믹서기(10)에서 출력되는 중간주파수 신호를 저역통과필터(11)와 중간주파수 증폭기(12-15)를 통하여 출력되게 하는 중간주파수 처리수단과, 상기 저잡음 증폭기(2,3,4,2′,3′,4′)와 국부발진기(7)(7′)및 중간주파수 증폭기(12-15)에 밴드 선택에 의하여 직류 바이어스를 공급해 주는 바이어스 공급회로로 구성된 C/ku-밴드 위성방송 동시 수신용 LNB.
  2. 제1항에 있어서 국부 발진 수단은 각각의 밴드에 따라 구동되는 국부 발진기(7)(7′)의 발진주파수가 대역통과필터(8)(8′)를 통한후 파워 분배기(9)에 믹서(10)로 유입되게 한 C/ku-밴드 위성방송 동시 수신용 LNB.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880010190A 1988-08-09 1988-08-09 C/ku- 밴드 위성방송 동시 수신용 LNB KR900004119A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019880010190A KR900004119A (ko) 1988-08-09 1988-08-09 C/ku- 밴드 위성방송 동시 수신용 LNB
US07/378,927 US5119509A (en) 1988-08-09 1989-07-12 Low noise block down converter (LNB) for the simultaneous receipt of C/Ku-band satellite-broadcasting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880010190A KR900004119A (ko) 1988-08-09 1988-08-09 C/ku- 밴드 위성방송 동시 수신용 LNB

Publications (1)

Publication Number Publication Date
KR900004119A true KR900004119A (ko) 1990-03-27

Family

ID=19276836

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880010190A KR900004119A (ko) 1988-08-09 1988-08-09 C/ku- 밴드 위성방송 동시 수신용 LNB

Country Status (2)

Country Link
US (1) US5119509A (ko)
KR (1) KR900004119A (ko)

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EP0683561A1 (en) * 1994-05-18 1995-11-22 Guan-Wu Wang Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers
US5649312A (en) * 1994-11-14 1997-07-15 Fujitsu Limited MMIC downconverter for a direct broadcast satellite low noise block downconverter
US5959592A (en) * 1996-03-18 1999-09-28 Echostar Engineering Corporation "IF" bandstacked low noise block converter combined with diplexer
US5995818A (en) * 1996-07-30 1999-11-30 Trw Inc. Low noise block downconverter
US6104908A (en) * 1997-02-28 2000-08-15 Hughes Electronics Corporation System for and method of combining signals of combining signals of diverse modulation formats for distribution in multiple dwelling units
US6600730B1 (en) 1998-08-20 2003-07-29 Hughes Electronics Corporation System for distribution of satellite signals from separate multiple satellites on a single cable line
US7142809B1 (en) 2001-02-27 2006-11-28 The Directv Group, Inc. Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use
US20020154055A1 (en) * 2001-04-18 2002-10-24 Robert Davis LAN based satellite antenna/satellite multiswitch
JP4597547B2 (ja) * 2004-02-26 2010-12-15 船井電機株式会社 Ｇｐｓ信号の伝送システム
US8549565B2 (en) * 2005-04-01 2013-10-01 The Directv Group, Inc. Power balancing signal combiner
US7945932B2 (en) * 2005-04-01 2011-05-17 The Directv Group, Inc. Narrow bandwidth signal delivery system
US7900230B2 (en) * 2005-04-01 2011-03-01 The Directv Group, Inc. Intelligent two-way switching network
US7987486B2 (en) * 2005-04-01 2011-07-26 The Directv Group, Inc. System architecture for control and signal distribution on coaxial cable
US8621525B2 (en) * 2005-04-01 2013-12-31 The Directv Group, Inc. Signal injection via power supply
US7958531B2 (en) 2005-04-01 2011-06-07 The Directv Group, Inc. Automatic level control for incoming signals of different signal strengths
US8024759B2 (en) * 2005-04-01 2011-09-20 The Directv Group, Inc. Backwards-compatible frequency translation module for satellite video delivery
US7950038B2 (en) * 2005-04-01 2011-05-24 The Directv Group, Inc. Transponder tuning and mapping
US7991348B2 (en) 2005-10-12 2011-08-02 The Directv Group, Inc. Triple band combining approach to satellite signal distribution
US8019275B2 (en) * 2005-10-12 2011-09-13 The Directv Group, Inc. Band upconverter approach to KA/KU signal distribution
US20070089142A1 (en) * 2005-10-14 2007-04-19 John Norin Band converter approach to Ka/Ku signal distribution
EP2033442A2 (en) * 2006-06-09 2009-03-11 The DIRECTV Group, Inc. Presentation modes for various format bit streams
WO2007149403A2 (en) * 2006-06-16 2007-12-27 The Directv Group, Inc. Digital storage media command and control data indexing
US8719875B2 (en) 2006-11-06 2014-05-06 The Directv Group, Inc. Satellite television IP bitstream generator receiving unit
US8712318B2 (en) 2007-05-29 2014-04-29 The Directv Group, Inc. Integrated multi-sat LNB and frequency translation module
US8238813B1 (en) 2007-08-20 2012-08-07 The Directv Group, Inc. Computationally efficient design for broadcast satellite single wire and/or direct demod interface
US9942618B2 (en) * 2007-10-31 2018-04-10 The Directv Group, Inc. SMATV headend using IP transport stream input and method for operating the same
WO2010080823A1 (en) 2009-01-06 2010-07-15 The Directv Group, Inc. Frequency drift estimation for low cost outdoor unit
WO2013070795A1 (en) * 2011-11-09 2013-05-16 Javad Gnss, Inc. Antenna lna filter for gnss devices
WO2014047192A1 (en) 2012-09-19 2014-03-27 Javad Gnss, Inc. Antenna lna filter for gnss device
CN105446919B (zh) * 2015-12-03 2018-07-17 北京振兴计量测试研究所 一种基于PXIe高速总线的微波变频装置

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US4384367A (en) * 1980-02-12 1983-05-17 Theta-Com Of California MDS Receiver
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver
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US4661997A (en) * 1985-09-23 1987-04-28 Motorola, Inc. Mixer for use in a microwave system
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US4907003A (en) * 1986-12-22 1990-03-06 Microdyne Corporation Satellite receiver and acquisiton system

Also Published As

Publication number Publication date
US5119509A (en) 1992-06-02

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