KR910011016A - Terrestrial and satellite broadcasting system - Google Patents

Terrestrial and satellite broadcasting system Download PDF

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Publication number
KR910011016A
KR910011016A KR1019890016441A KR890016441A KR910011016A KR 910011016 A KR910011016 A KR 910011016A KR 1019890016441 A KR1019890016441 A KR 1019890016441A KR 890016441 A KR890016441 A KR 890016441A KR 910011016 A KR910011016 A KR 910011016A
Authority
KR
South Korea
Prior art keywords
terrestrial
broadcasting
stage
satellite broadcasting
signal
Prior art date
Application number
KR1019890016441A
Other languages
Korean (ko)
Other versions
KR920002534B1 (en
Inventor
이기룡
Original Assignee
서주인
삼성전기 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 서주인, 삼성전기 주식회사 filed Critical 서주인
Priority to KR1019890016441A priority Critical patent/KR920002534B1/en
Publication of KR910011016A publication Critical patent/KR910011016A/en
Application granted granted Critical
Publication of KR920002534B1 publication Critical patent/KR920002534B1/en

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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
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음No content

Description

지상방송 및 위성방송 공용수신시스템Terrestrial and satellite broadcasting system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 일반적인 지상방송수신시스팀의 고주파단 블록도.1 is a high-frequency block diagram of a general terrestrial broadcasting reception system.

제2도는 일반적인 위성방송수신시스팀의 고주파단 블록도.2 is a high-frequency block diagram of a general satellite broadcasting reception system.

제3도는 본 발명의 공용수신시스팀의 블록도.3 is a block diagram of a public receiving system of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : HPF(하이패스필터) 11,17 : 입력동조단10: HPF (high pass filter) 11,17: input tuning stage

12,18,28,35 : RF 증폭단 13,19 : 단간동조단12,18,28,35: RF amplification stage 13,19: single stage tuning stage

14,20,25,30,36 : 믹서단 15,21,26,31,37,39 : 국부발진단14,20,25,30,36: Mixer stage 15,21,26,31,37,39: Local diagnosis

16 : LPF(토우패스필터) 22,27,34,38 : IF 증폭단16: LPF (Toe Pass Filter) 22,27,34,38: IF Amplification Stage

23,40,41 : IF 동조단 24 : LNA(토우조이즈증폭단)23,40,41: IF tuning group 24: LNA

29 : 영상필터단 32 : BPF(밴드패스필터)29: Image filter stage 32: BPF (Band Pass Filter)

33 : AGC 증폭단 100 : LNB(토우노이즈 블록)33: AGC amplification stage 100: LNB (Tonoise block)

200 : BS(Boradcasting Statellite) 튜터200: BS (Boradcasting Statellite) Tutor

300 : 업컨버터단 SW1-SW3: 절환스위치.300: Up-converter stage SW 1 -SW 3 : Switching switch.

Claims (1)

지상 및 위성방송공용수신장치에 있어서, LNB(100)에는 위성방송신호와 업컨버터단(300)을 더 통한 지상방송신호가 절환스위치(SW1)를 통하여 선택적으로 입력되게 연결하고, LNB(100)의 출력신호가 입력되는 BS 튜너단(200)의 믹서단(30)에는 지상방송용 국부발진단(39)과 위성방송용 국부발진단(31)의 발진주파수가 절환스위치(SW2)를 통하여 선택적으로 입력되게 연결하고, 상기 BS 튜너단(200)의 제2 IF 신호는 절환스위치(SW3)를 통하여 선택적으로 지상방송용 IF 동조단(40)과 위성방송용 IF 동조단(41)으로 입력되게 연결하여 구성하는 것을 특징으로 하는 지상방송 및 위성방송공용수신시스팀.In the terrestrial and satellite broadcasting public receiving apparatus, the LNB 100 is connected to the satellite broadcasting signal and the terrestrial broadcasting signal through the up-converter 300 to be selectively input through the switching switch SW 1 , and the LNB 100. The oscillation frequency of the terrestrial broadcasting local oscillation terminal 39 and the satellite broadcasting local oscillating terminal 31 is selectively selected through a switch (SW 2 ) in the mixer stage 30 of the BS tuner stage 200 to which the output signal of The second IF signal of the BS tuner stage 200 is selectively connected to the IF broadcasting stage 40 for terrestrial broadcasting and the IF tuning stage 41 for satellite broadcasting through a switching switch SW 3 . Terrestrial broadcasting and satellite broadcasting public receiving system, characterized in that by configuring. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890016441A 1989-11-14 1989-11-14 On earth broadcasting and satellite broadcasting common receiver system KR920002534B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890016441A KR920002534B1 (en) 1989-11-14 1989-11-14 On earth broadcasting and satellite broadcasting common receiver system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890016441A KR920002534B1 (en) 1989-11-14 1989-11-14 On earth broadcasting and satellite broadcasting common receiver system

Publications (2)

Publication Number Publication Date
KR910011016A true KR910011016A (en) 1991-06-29
KR920002534B1 KR920002534B1 (en) 1992-03-27

Family

ID=19291602

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890016441A KR920002534B1 (en) 1989-11-14 1989-11-14 On earth broadcasting and satellite broadcasting common receiver system

Country Status (1)

Country Link
KR (1) KR920002534B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466070B1 (en) * 2001-12-03 2005-01-13 삼성전기주식회사 Digital audio broadcasting tuner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100365359B1 (en) * 2001-04-03 2002-12-18 엘지이노텍 주식회사 Combination tuner for earth and satellite broadcasting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466070B1 (en) * 2001-12-03 2005-01-13 삼성전기주식회사 Digital audio broadcasting tuner

Also Published As

Publication number Publication date
KR920002534B1 (en) 1992-03-27

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