KR910007295A - Induction wireless multicasting repeater mainly based on transmission line transformer - Google Patents

Induction wireless multicasting repeater mainly based on transmission line transformer Download PDF

Info

Publication number
KR910007295A
KR910007295A KR1019890013886A KR890013886A KR910007295A KR 910007295 A KR910007295 A KR 910007295A KR 1019890013886 A KR1019890013886 A KR 1019890013886A KR 890013886 A KR890013886 A KR 890013886A KR 910007295 A KR910007295 A KR 910007295A
Authority
KR
South Korea
Prior art keywords
vhf
synthesizer
frequency converter
power amplification
frequency
Prior art date
Application number
KR1019890013886A
Other languages
Korean (ko)
Other versions
KR920005165B1 (en
Inventor
김병기
Original Assignee
김병기
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 김병기 filed Critical 김병기
Priority to KR1019890013886A priority Critical patent/KR920005165B1/en
Publication of KR910007295A publication Critical patent/KR910007295A/en
Application granted granted Critical
Publication of KR920005165B1 publication Critical patent/KR920005165B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

내용 없음No content

Description

전송선로 트랜스를 주축으로 한 유도무선 다중 방성 중계장치Guided wireless multi-pathy repeater mainly based on transmission line transformer

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

제2도는 본 발명에 의한 주요부분의 구성도,2 is a configuration diagram of the main part according to the present invention,

제3도는 본 발명에 의한 수신공중선 고주파 광대역 전치증폭기 및 다중 분배 상세회로도,3 is a detailed diagram of a receiving aerial line high frequency broadband preamplifier and a multi-distribution circuit according to the present invention;

제4도는 본 발명에 의한 VHF/IF 주파수 변환기의 회로 구성도.4 is a circuit diagram of a VHF / IF frequency converter according to the present invention.

Claims (7)

수신안테나(31)로부터 수신된 전파가 공중선 입력분배기 AS-VM (26), 고주파 광대역 증폭기 AS-WA(27)(28), 4분배기 AS-V4(29), AS-V4(30)로 이루어진 공중선 분배기 AS-VM-8(3)와 각 주파수 변환기(32)(35)(38)(41), 국부발진기(33)(34)(39)(40)로 이루어진 4개의 주파수 변환기인 VHF/IF주파수 변환기(5)와 MF/IF주파수 변환기(7)와 IF/VHF 주파수 변환기(16)와 IF/MF주파수 변환기(18)로 이루어지고 상기 IF/VHF 주파수 변환기(16)와 IF/MF주파수 변환기(18)에 부가장치인 자체비상 방송장치(36)(37)를 설치하며, 전력증폭기(42)(45)와 합성기(43)(44)로 이루어진 VHF전력 증폭 및 합성기 VHF-PA(20)와 MF전력증폭 및 합성기 MF-PA(22)를 연결하여, 상기의 VHG전력증폭 및 합성기(20)의 출력과 MF전력증폭 및 합성기(22)의 출력을 합성기(49)에 합성하여, 공중선에 적합한 바룬(BALUN)(48)과 임피던스 변환기를 선택접속할 수 있도록 구성되어지는 것을 특징으로 하는 전송선로 트랜스를 주축으로 한 유도무선 다중방송중계장치.The radio wave received from the receiving antenna 31 is composed of an aerial input splitter AS-VM 26, a high frequency broadband amplifier AS-WA 27, 28, a quadrature AS-V4 29, and an AS-V4 30. VHF / is a four frequency converter consisting of the air splitter AS-VM-8 (3), each of the frequency converters 32, 35, 38, 41, and local oscillators 33, 34, 39, 40. IF frequency converter 5, MF / IF frequency converter 7, IF / VHF frequency converter 16, IF / MF frequency converter 18 and IF / VHF frequency converter 16 and IF / MF frequency A VHF power amplification and synthesizer VHF-PA (20) consisting of a power amplifier (42) (45) and a synthesizer (43) (44) is installed in the converter (18). ) And the MF power amplification and synthesizer MF-PA 22 are connected to synthesize the output of the VHG power amplification and synthesizer 20 and the output of the MF power amplification and synthesizer 22 to the synthesizer 49, Selectable BALUN 48 and Impedance Converters Induction wireless multicasting repeater mainly based on the transmission line transformer, characterized in that configured to be able to. 제1항에 있어서, 광대역 하이부리드 분배 및 합성이 이루어지는 것을 특징으로 한 유도무선 다중방송중계장치.2. The apparatus of claim 1, wherein wideband high-lead distribution and synthesis are performed. 제1항에 있어서, 전력 증폭 및 합성이 이루어지는 것을 특징으로 하는 유도무선 다중방송중계장치.The apparatus of claim 1, wherein power amplification and synthesis are performed. 제1항에 있어서, 바룬과 임피던스 정합이 이루어지는 것을 특징으로 하는 유도무선 다중방송중계장치.The apparatus of claim 1, wherein impedance matching is performed with balun. 제1항에 있어서, MF/AM, VHF/FM의 전력 합성으로 안테나를 단일화한 것을 특징으로 하는 유도무선 다중방송중계장치.The apparatus of claim 1, wherein the antenna is unified by power synthesis of MF / AM and VHF / FM. 제1항에 있어서, 비상자체 방송을 분배기를 이용하여 VHF/FM, 4개 채널과 MF/AM 4개 채널로 분배하여 입력시키는 것을 특징으로 하는 유도무선 다중방송중계장치.The apparatus of claim 1, wherein the emergency self broadcast is divided into VHF / FM, four channels, and four MF / AM channels by using a splitter. 전력증폭기에 전송 트랜스를 사용하여 무조정, 소형화한 것을 특징으로 하는 유도무선 다중방송중계장치.Induction wireless multicasting repeater, characterized in that the power amplifier using a transmission transformer unregulated, miniaturized. ※ 참조사항 : 최초 출원 내용에 의하여 공개하는 것임.※ Reference: It is to be disclosed by the contents of the original application.
KR1019890013886A 1989-09-27 1989-09-27 Apparatus for repeating radio broadcasting signal through transmission line transformer KR920005165B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890013886A KR920005165B1 (en) 1989-09-27 1989-09-27 Apparatus for repeating radio broadcasting signal through transmission line transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890013886A KR920005165B1 (en) 1989-09-27 1989-09-27 Apparatus for repeating radio broadcasting signal through transmission line transformer

Publications (2)

Publication Number Publication Date
KR910007295A true KR910007295A (en) 1991-04-30
KR920005165B1 KR920005165B1 (en) 1992-06-27

Family

ID=19290230

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890013886A KR920005165B1 (en) 1989-09-27 1989-09-27 Apparatus for repeating radio broadcasting signal through transmission line transformer

Country Status (1)

Country Link
KR (1) KR920005165B1 (en)

Also Published As

Publication number Publication date
KR920005165B1 (en) 1992-06-27

Similar Documents

Publication Publication Date Title
TW330354B (en) A high conversion gain CMOS mixer
EP0789449A3 (en) Distortion-free switching signal mixer
KR890003149A (en) Outdoor Equipment Low Noise Can Butter for Satellite Broadcasting
MX9702721A (en) Wide band radio-frequency converter having multiple use of intermediate frequency translators.
SE9603730D0 (en) Multiband Receiver
KR900701103A (en) TV tuner
JPS57190429A (en) Portable radio receiver
GB713674A (en) Improvements in frequency converters
NO982010L (en) Frequency converter circuit for millimeter wave radio and method thereof
KR910007295A (en) Induction wireless multicasting repeater mainly based on transmission line transformer
JPS5642437A (en) Radio receiver
MY123936A (en) Ic for tuner
JPS5631235A (en) Active antenna system
KR880002861Y1 (en) Fixed local oscillator for block type frequency converter
KR980007061A (en) Up converter in mobile communication device
GB625358A (en) Improvements in and relating to frequency changers for electrical oscillations
Ryou et al. Consideration of IMR for Bias and Lo signal at the simplifed GaAs MESFET Mixer
JPS63129726A (en) Plural station simultaneous receiver
JPS5657341A (en) Antenna reception system
JPS62128690A (en) Television tuner
GB729443A (en) Combined television receiver and broadcast receiver
JPS6489625A (en) Multi-system receiving tuner
JPH08307298A (en) Tv signal processor for catv system
JPS61199306A (en) Frequency converter
KR950016027A (en) Satellite reception system

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19950519

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee