KR910002156A - 지상 am 및 위성 fm-tv방송신호 수신기 - Google Patents

지상 am 및 위성 fm-tv방송신호 수신기 Download PDF

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Publication number
KR910002156A
KR910002156A KR1019900008261A KR900008261A KR910002156A KR 910002156 A KR910002156 A KR 910002156A KR 1019900008261 A KR1019900008261 A KR 1019900008261A KR 900008261 A KR900008261 A KR 900008261A KR 910002156 A KR910002156 A KR 910002156A
Authority
KR
South Korea
Prior art keywords
frequency
satellite
mhz
terrestrial
mixing circuit
Prior art date
Application number
KR1019900008261A
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English (en)
Other versions
KR0157413B1 (ko
Inventor
알렉산더 마리아 베르하이옌 파울루스
페트루스 안드레아스 쉴트만스 로날드
Original Assignee
프레데릭 얀 스미트
엔. 브이. 필립스 글로아이랍펜파브리켄
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 프레데릭 얀 스미트, 엔. 브이. 필립스 글로아이랍펜파브리켄 filed Critical 프레데릭 얀 스미트
Publication of KR910002156A publication Critical patent/KR910002156A/ko
Application granted granted Critical
Publication of KR0157413B1 publication Critical patent/KR0157413B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • 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
    • 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
    • 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
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • 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

Abstract

내용 없음

Description

지상 AM 및 위성 FM-TV방송신호 수신기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 지상 AM 및 위성 FM-TV방송 신호수신기에 대한 회로도.

Claims (4)

  1. 상호적으로 거의 동일한 크기를 갖고 그리고 주파수가 서로 연속되는 각각 제1 및 제2주파수 범위에서 지상 AM 및 위상 FM-HF-TV신호를 수신하며, HF-AM/FM섹션과 AM 및 HF-TV신호에 대해 공통적인 믹싱 회로와 IF장치를 구비하고, 튜닝 발진기로부터 나오는 발진기 믹싱 회로가 AM 및 FM-HF-TV신호를 각각 제1 AM 및 FM중간 주파수를 제1 AM 및 FM중간 주파수로 주파수 변환하는 믹싱회로에 인가되며, 상기 제1 AM 및 FM중간 주파수중 적어도 제1 AM중간 주파수가 제1 주파수 범위보다 높은 범위에 놓이는 지상 AM 및 위성 FM-HF-TV신호 수신기로써, 상기 제1 AM중간 주파수가 제1 주파수 범위 대역의 최고 주파수에 2배의 크기정도이고, 상기 FM중간 주파수가 제2 주파수 범위의 최저 주파수 1/2의 크기 정도이며, 상기 IF장치가 AM 및 FM-IF섹션을 구비하고 그 입력이 제1AM 및 FM중간 주파수를 각각 개별적인 선택 및 처리하는 믹싱회로의 출력에 연결된 것을 특징으로 하는 지상 AM 및 위성 FM-HF-TV신호 수신기.
  2. 제1항에 있어서, 상기 AM-IF섹션에 상기 믹싱 회로의 출력에 연결되는 AM-IF필터가 제공되고, 추가의 믹싱 회로가 AM-IF필터의 출력에 연결되며, 이곳으로 고정 발진기로부터 나오는 믹싱 신호가 인가되어 제1 AM중간 주파수 신호가 제1 주파수 범위의 최저 주파수 크기정도인 제2 AM중간 주파수로 주파수 변환되는 것을 특징으로 하는 지상 AM 및 위성 FM-HF-TV신호 수신기.
  3. 제2항에 있어서, 지상 AM 및 위성 FM-HF-TV신호가 각각 40MHz 및 850MHz의 주파수 값과 950MHz 및 1800MHz의 주파수값 사이에 위치되며, FM과 제1 및 제2중간 주파수가 각각 500MHz, 1800MHz 및 40MHz의 크기 정도로 된 것을 특징으로 하는 지상 AM 및 위성 FM-HF-TV신호 수신기.
  4. 전술한 항들중 어느 한 항에 있어서, HF-AM/FM섹션이 n의 연속 대역통과 주파수 범위를 가지며, 각각은 1옥타브이고, 서로 제1 및 제2주파수 범위에 이르며, 그들중의 하나가 항상 동작 상태로 스위칭되는 n개의 스위칭 가능한 병렬 배열의 대역 통과 필터를 포함하는 것을 특징으로 하는 AM 및 위성 FM-HF-TV신호 수신기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900008261A 1989-06-08 1990-06-05 지상 am 및 위성 fm-tv 방송 신호 수신기 KR0157413B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901460A NL8901460A (nl) 1989-06-08 1989-06-08 Ontvanger voor terrestriele am- en satelliet fm-tv-omroepsignalen.
NL8901460 1989-06-08

Publications (2)

Publication Number Publication Date
KR910002156A true KR910002156A (ko) 1991-01-31
KR0157413B1 KR0157413B1 (ko) 1998-11-16

Family

ID=19854800

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900008261A KR0157413B1 (ko) 1989-06-08 1990-06-05 지상 am 및 위성 fm-tv 방송 신호 수신기

Country Status (9)

Country Link
US (1) US5068918A (ko)
EP (1) EP0401932B1 (ko)
JP (1) JPH0364217A (ko)
KR (1) KR0157413B1 (ko)
DE (1) DE69005905T2 (ko)
ES (1) ES2050352T3 (ko)
FI (1) FI902792A0 (ko)
HK (1) HK41796A (ko)
NL (1) NL8901460A (ko)

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Also Published As

Publication number Publication date
DE69005905D1 (de) 1994-02-24
EP0401932A1 (en) 1990-12-12
FI902792A0 (fi) 1990-06-05
EP0401932B1 (en) 1994-01-12
NL8901460A (nl) 1991-01-02
HK41796A (en) 1996-03-15
ES2050352T3 (es) 1994-05-16
KR0157413B1 (ko) 1998-11-16
JPH0364217A (ja) 1991-03-19
DE69005905T2 (de) 1994-06-30
US5068918A (en) 1991-11-26

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