KR910005598A - Double converter - Google Patents

Double converter Download PDF

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Publication number
KR910005598A
KR910005598A KR1019890012526A KR890012526A KR910005598A KR 910005598 A KR910005598 A KR 910005598A KR 1019890012526 A KR1019890012526 A KR 1019890012526A KR 890012526 A KR890012526 A KR 890012526A KR 910005598 A KR910005598 A KR 910005598A
Authority
KR
South Korea
Prior art keywords
converter
mixing means
intermediate frequency
output
amplifying
Prior art date
Application number
KR1019890012526A
Other languages
Korean (ko)
Other versions
KR920004121B1 (en
Inventor
문태형
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 KR1019890012526A priority Critical patent/KR920004121B1/en
Publication of KR910005598A publication Critical patent/KR910005598A/en
Application granted granted Critical
Publication of KR920004121B1 publication Critical patent/KR920004121B1/en

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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
    • H04B1/26—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)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

내용 없음.No content.

Description

더블 콘버터Double converter

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

제 1 도는 본 발명에 따른 더블 콘버터 시스템의 개요를 보인 도면.1 shows an overview of a double converter system according to the invention.

제 2 도는 본 발명에 의한 더블 콘버터의 분해사시도.2 is an exploded perspective view of a double converter according to the present invention.

제 3 도는 제 2 도에 도시된 더블 콘버터의 단면도.3 is a cross-sectional view of the double converter shown in FIG.

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

10A : 제 1 대역필터부 10B : 제 2 대역필터부10A: first band filter section 10B: second band filter section

20A : 제1RF 증폭부 20B : 제2RF 증폭부20A: first RF amplifier 20B: second RF amplifier

30 : 다이플렉서 40 : 제 1 국부발진기30: diplexer 40: first local oscillator

45 : 제 1 혼합기 50 : 제 3 대역필터부45: first mixer 50: third band filter portion

60 : 제 1 중간주파 증폭부 70 : 제 4 대역필터부60: first intermediate frequency amplifier 70: fourth band filter

80 : 제 2 국부발진기 85 : 제 2 혼합기80: second local oscillator 85: second mixer

90 : 제 2 중간주파 증폭부90: second intermediate frequency amplifier

Claims (2)

제 1 국부발진수단에 의해 입력 증폭된 주파수를 변환하여 제 1 중간 주파수 신호를 얻는 제 1 혼합수단으로 된 업(up) 콘버터와, 제 1 혼합수단의 출력을 대역제한하여 증폭하는 제 1 중간주파수단과, 제 2 국부발진수단과, 상기 제 2 국부발진수단에 의해 상기 제 1 중간주파수단의 출력을 주파수 변환하여 제 2 중간주파수신호를 얻는 제 2 혼합수단과, 상기 제 2 혼합수단의 출력을 적어도 증폭하는 제 2 중간 주파수단으로 된 다운 콘버터로 이루어진 것에 있어서, 상기 업(up) 콘버터의 입력단자에 더블 튜너 입력필터를 연결함과 동시에 여기서 필터링된 신호를 증폭하되 각 AGC 가능한 증폭기와, 상기 증폭기에서 출력된 신호중 어느 하나를 선택하는 다이플렉서와, 제 1 혼합수단으로 이루어짐을 특징으로 하는 더블 콘버터.An up converter comprising first mixing means for converting the frequency amplified by the first local oscillation means to obtain a first intermediate frequency signal, and a first intermediate frequency for band-amplifying the output of the first mixing means. And second mixing means for frequency-converting the output of the first intermediate frequency stage by means of the second local oscillating means, the second local oscillating means, and obtaining an output of the second mixing means. A down converter comprising at least a second intermediate frequency stage for amplifying, connecting a double tuner input filter to an input terminal of the up converter and simultaneously amplifying the filtered signal, wherein each AGC-capable amplifier and And a diplexer for selecting any one of the signals output from the amplifier and a first mixing means. 콘버터의 입력단자에 더블튜너 입력 필터와 AGC 가능한 증폭기와 다이플렉서 및 제 1 혼합수단으로된 업(up) 콘버터는 독립된 PCB 일측면에 격벽 및 마이크로 스트립선으로 형성하고, 상기 PCB 타측면을 전도성 절연샤시에 밀착하여 고정하며, 상기 절연샤시는 다운 콘버터와 대향되게 벽체에 설치하되 착탈하도록 형성됨을 특징으로 하는 더블 콘버터.The up-converter, which consists of a double tuner input filter, an AGC-capable amplifier, a diplexer, and a first mixing means at the input terminal of the converter, is formed with a partition wall and a micro strip line on one side of an independent PCB, and the other side of the PCB is conductive. And fixed in close contact with the insulated chassis, wherein the insulated chassis is formed to be attached to or detached from the wall so as to face the down converter. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012526A 1989-08-31 1989-08-31 Double converter KR920004121B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890012526A KR920004121B1 (en) 1989-08-31 1989-08-31 Double converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890012526A KR920004121B1 (en) 1989-08-31 1989-08-31 Double converter

Publications (2)

Publication Number Publication Date
KR910005598A true KR910005598A (en) 1991-03-30
KR920004121B1 KR920004121B1 (en) 1992-05-25

Family

ID=19289476

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012526A KR920004121B1 (en) 1989-08-31 1989-08-31 Double converter

Country Status (1)

Country Link
KR (1) KR920004121B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020066634A (en) * 2001-02-13 2002-08-21 엘지이노텍 주식회사 Connecting structure of double conversion type tuner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020066634A (en) * 2001-02-13 2002-08-21 엘지이노텍 주식회사 Connecting structure of double conversion type tuner

Also Published As

Publication number Publication date
KR920004121B1 (en) 1992-05-25

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