KR930009230A - LNB's H / V Polarized Switching Amplifier - Google Patents

LNB's H / V Polarized Switching Amplifier Download PDF

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Publication number
KR930009230A
KR930009230A KR1019910019204A KR910019204A KR930009230A KR 930009230 A KR930009230 A KR 930009230A KR 1019910019204 A KR1019910019204 A KR 1019910019204A KR 910019204 A KR910019204 A KR 910019204A KR 930009230 A KR930009230 A KR 930009230A
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KR
South Korea
Prior art keywords
amplifier
lnb
pin
polarized
connection points
Prior art date
Application number
KR1019910019204A
Other languages
Korean (ko)
Other versions
KR940004784B1 (en
Inventor
안진호
이범구
Original Assignee
황선두
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.)
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Application filed by 황선두, 삼성전기 주식회사 filed Critical 황선두
Priority to KR1019910019204A priority Critical patent/KR940004784B1/en
Publication of KR930009230A publication Critical patent/KR930009230A/en
Application granted granted Critical
Publication of KR940004784B1 publication Critical patent/KR940004784B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

위성방송 수신 시스템의 LNB에서 H/V 편파신호를 선택적으로 저잡음 증폭시켜 하나의 LNB로 수직 및 수평편파된 위성방송을 수신할 수 있는 LNB의 H/V 편파 스위칭 증폭회로는, 두 개의 증폭기(A12,A13)과 두 개의 핀다이오드(D1, D4)로 폐회로를 구성하고, 상기 증폭기(A12) 및 핀다이오드(D1)의 접속점(1)과 상기 증폭기(A13) 및 핀다이오드(D4)의 접속점(3)에 각각 증폭기(A11,A14)를 통한 수직 및 수평 편파 RF 신호가 입력되게 연결하고, 상기 증폭기(A13) 및 핀다이오드(D1)의 접속점(4)과 상기 증폭기(A12) 및 핀다이오드(D4)의 접속점(2)에 각각 필터(F1)와 공통으로 연결된 핀다이오드(D2, D3)를 연결하고, 상기 접속점(4, 2)에 각각 수평 및 수직 편파선택 전압(B1, B2)이 선택적으로 공급되게 구성한다.The LNB's H / V polarized switching amplifying circuit capable of receiving low and vertically amplified H / V polarized signals in the LNB of the satellite broadcasting reception system to receive vertical and horizontally polarized satellite broadcasts into a single LNB includes two amplifiers (A 12 , A 13 ) and two pin diodes D 1 and D 4 to form a closed circuit, and the connection point 1 of the amplifier A 12 and the pin diode D 1 , the amplifier A 13 and the pin Connect the vertical and horizontal polarized RF signals through the amplifiers A 11 and A 14 to the connection points 3 of the diode D 4 , respectively, and connect the connection points of the amplifier A 13 and the pin diode D 1 to each other . 4) and the pin diodes D 2 and D 3 commonly connected to the filter F 1 to the connection points 2 of the amplifier A 12 and the pin diode D 4 , respectively, and the connection points 4, 2 and 2 ) selectively supply horizontal and vertical polarization selection voltages B 1 and B 2, respectively.

Description

LNB의 H/V 편파 스위칭 증폭회로LNB's H / V Polarized Switching Amplifier

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 회로 구성도3 is a circuit diagram of the present invention

Claims (1)

위성방송 수신 시스템용 LNB의 H/V 편파 스위칭 증폭회로에 있어서, 두 개의 증폭기(A12,A13)와 두 개의 핀다이오드(D1, D4)로 폐회로를 구성하고, 상기 증폭기(A12) 및 핀다이오드(D1)의 접속점(1)과 상기 증폭기(A13) 및 핀다이오드(D4)의 접속점(3)에 각각 증폭기(A11,A14)를 통한 수직 및 수평 편파 RF 신호가 입력되게 연결하고, 상기 증폭기(A13) 및 핀다이오드(D1)의 접속점(4)과 상기 증폭기(A12) 및 핀다이오드(D4)의 접속점(2)에 각각 필터(F1)와 공통으로 연결된 핀다이오드(D2, D3)를 연결하고, 상기 접속점(4, 2)에 각각 수평 및 수직 편파선택 전압(B1, B2)이 선택적으로 공급되게 구성하는 것을 특징으로하는 LNB의 H/V 편파 스위칭 증폭회로.In the H / V polarization switching amplifier circuit of LNB for satellite broadcasting reception system, two amplifiers (A 12 , A 13 ) and two pin diodes (D 1 , D 4 ) form a closed circuit, and the amplifier (A 12) ) And the vertical and horizontal polarized RF signal through the amplifiers A 11 and A 14 at the connection point 1 of the pin diode D 1 and the connection point 3 of the amplifier A 13 and the pin diode D 4 , respectively. Are connected to each other, and the filter F 1 is connected to the connection point 4 of the amplifier A 13 and the pin diode D 1 and the connection point 2 of the amplifier A 12 and the pin diode D 4 , respectively. And pin diodes D 2 and D 3 connected in common to each other, and are configured to selectively supply horizontal and vertical polarization selection voltages B 1 and B 2 to the connection points 4 and 2, respectively. H / V polarized switching amplifier circuit of LNB. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910019204A 1991-10-30 1991-10-30 Switching amp for lnb KR940004784B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910019204A KR940004784B1 (en) 1991-10-30 1991-10-30 Switching amp for lnb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910019204A KR940004784B1 (en) 1991-10-30 1991-10-30 Switching amp for lnb

Publications (2)

Publication Number Publication Date
KR930009230A true KR930009230A (en) 1993-05-22
KR940004784B1 KR940004784B1 (en) 1994-05-28

Family

ID=19322013

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910019204A KR940004784B1 (en) 1991-10-30 1991-10-30 Switching amp for lnb

Country Status (1)

Country Link
KR (1) KR940004784B1 (en)

Also Published As

Publication number Publication date
KR940004784B1 (en) 1994-05-28

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