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KR910011032A - TV high frequency signal processing system using single conversion method - Google Patents

TV high frequency signal processing system using single conversion method Download PDF

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Publication number
KR910011032A
KR910011032A KR1019890016734A KR890016734A KR910011032A KR 910011032 A KR910011032 A KR 910011032A KR 1019890016734 A KR1019890016734 A KR 1019890016734A KR 890016734 A KR890016734 A KR 890016734A KR 910011032 A KR910011032 A KR 910011032A
Authority
KR
South Korea
Prior art keywords
processing system
signal processing
conversion method
high frequency
frequency signal
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.)
Granted
Application number
KR1019890016734A
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Korean (ko)
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KR920006068B1 (en
Inventor
프레드릭형문
Original Assignee
서주인
삼성전기 주식회사
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Publication date
Application filed by 서주인, 삼성전기 주식회사 filed Critical 서주인
Priority to KR1019890016734A priority Critical patent/KR920006068B1/en
Publication of KR910011032A publication Critical patent/KR910011032A/en
Application granted granted Critical
Publication of KR920006068B1 publication Critical patent/KR920006068B1/en
Expired legal-status Critical Current

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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
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

내용 없음No content

Description

싱글컨버젼방식을 이용한 TV 고주파신호처리 시스템TV high frequency signal processing system using single conversion method

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

제2도는 본 발명 시스팀의 블록도.2 is a block diagram of the present system.

Claims (1)

고주파 TV방송신호처리시스팀에 있어서, 튜너블밴드스필터(110)와 LNA(120)를 통한 RF입력신호가 믹서단(130)으로 입력되게 연결하고, 믹서단(130)에서 입컨버팅된 신호는 필터(150)와 IF 증폭단(160)을 거쳐 동기디텍터(200)에 직접 입력되게 연결하며, 믹서단(210,240)과 이 믹서단(210,240)에 서로 다른 위상각의 발진신호를 제공하는 LO(230)와 필터(220,250)로 구성된 상기 동기디덱터(200)에서 베이스밴드 TV신호가 출력되게 구성하는 것을 특징으로 하는 싱글컨버젼방식을 이용한 TV고주파신호처리시스팀.In the high-frequency TV broadcasting signal processing system, an RF input signal through the tunable band filter 110 and the LNA 120 is connected to the mixer stage 130, and the signal converted by the mixer stage 130 is input. LO 150 which is directly connected to the synchronous detector 200 via the filter 150 and the IF amplification stage 160 and provides oscillation signals having different phase angles to the mixer stages 210 and 240 and the mixer stages 210 and 240. TV high frequency signal processing system using a single conversion method, characterized in that the baseband TV signal is output from the synchronous decoder (200) consisting of a filter and 220,250. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890016734A 1989-11-18 1989-11-18 Tv high-frequency signal control system in single up conversion type Expired KR920006068B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890016734A KR920006068B1 (en) 1989-11-18 1989-11-18 Tv high-frequency signal control system in single up conversion type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890016734A KR920006068B1 (en) 1989-11-18 1989-11-18 Tv high-frequency signal control system in single up conversion type

Publications (2)

Publication Number Publication Date
KR910011032A true KR910011032A (en) 1991-06-29
KR920006068B1 KR920006068B1 (en) 1992-07-27

Family

ID=19291770

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890016734A Expired KR920006068B1 (en) 1989-11-18 1989-11-18 Tv high-frequency signal control system in single up conversion type

Country Status (1)

Country Link
KR (1) KR920006068B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100764372B1 (en) * 2005-10-11 2007-10-08 삼성전기주식회사 One-cam type dual tuning system for digital television

Also Published As

Publication number Publication date
KR920006068B1 (en) 1992-07-27

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Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19891118

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19891118

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19920227

Patent event code: PE09021S01D

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19920625

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19921010

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19921103

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19921103

End annual number: 3

Start annual number: 1

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