KR890016753A - Low Noise Amplification and Frequency Inverter - Google Patents

Low Noise Amplification and Frequency Inverter Download PDF

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Publication number
KR890016753A
KR890016753A KR1019880004801A KR880004801A KR890016753A KR 890016753 A KR890016753 A KR 890016753A KR 1019880004801 A KR1019880004801 A KR 1019880004801A KR 880004801 A KR880004801 A KR 880004801A KR 890016753 A KR890016753 A KR 890016753A
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KR
South Korea
Prior art keywords
low noise
amplifier
input
output
amp3
Prior art date
Application number
KR1019880004801A
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Korean (ko)
Other versions
KR900007278B1 (en
Inventor
김태희
Original Assignee
정몽헌
현대전자산업 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 정몽헌, 현대전자산업 주식회사 filed Critical 정몽헌
Priority to KR1019880004801A priority Critical patent/KR900007278B1/en
Publication of KR890016753A publication Critical patent/KR890016753A/en
Application granted granted Critical
Publication of KR900007278B1 publication Critical patent/KR900007278B1/en

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers

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

Abstract

내용 없음No content

Description

저잡음 증폭 및 주파수 변환장치Low Noise Amplification and Frequency Inverter

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

제 2 도는 본 발명에 의한 장치의 개략적 블럭도, 제 3 도는 제 2 도의 장치에 대한 실시예에 따르는 스트립 선로의 패턴을 도시한 평면도, 제 4 도는 제 3 도의 주요부분에 대한 확대 사시도로서, (A)는 제 1 정합회로를,(B)는 제 2 정합회로를, (C)는 제 3 정합회로를, (D)는 제 4 정합회로 및 대역차단 여파기를, (E)는 저역 통과 여파기를 나타냄.FIG. 2 is a schematic block diagram of a device according to the invention, FIG. 3 is a plan view showing a pattern of strip lines according to the embodiment of the device of FIG. 2, and FIG. 4 is an enlarged perspective view of the main part of FIG. A) is the first matching circuit, (B) the second matching circuit, (C) the third matching circuit, (D) the fourth matching circuit and the band-pass filter, (E) the low pass filter Indicates.

Claims (3)

수신 안테나로부터 입력되는 RF입력을 다단의 증폭기(AMP1)-(AMP3)로 저잡음 증폭하여 국부 발진기(L0)에서 발생된 국부 발진 신호와 함께 혼합부(MX)로 혼합하여 중간 주파신호를 만들어 내는 저잡음 증폭 및 주파수 변환장치에 있어서, 상기한 RF 입력단과 증폭기(AMP1)의 입력사이 증폭기(AMP1)의 출력과 증폭기(AMP2)의 입력사이, 증폭기(AMP2)의 출력과 증폭기(AMP3)의 입력사이에 각각 차례로 제1 내지 제 3 정합회로(제 4 도 A-C)를 설치함과 동시에 증폭기(AMP3)의출력과 혼합부(MX)의 일단 사이에는 제 4 정합회로 및 영상 주파신호 차단용 대역차단 필터(제 4 도의 D)를 설치하며, 상기한 혼합부(MX) 타단에는 희망하는 중간 주파 신호만을 통과시키기 위한 저역통과 필터(제 4 도의 E)를 설치하여 구성된 것을 특징으로 하는 저잡음 증폭 및 주파수 변환장치.Low noise amplifies the RF input from the receiving antenna with multi-stage amplifiers (AMP1)-(AMP3) and mixes it with the mixer (MX) together with the local oscillation signal generated by the local oscillator (L0) to produce an intermediate frequency signal. In the amplifying and frequency converting apparatus, between the RF input terminal and the input of the amplifier AMP1, between the output of the amplifier AMP1 and the input of the amplifier AMP2, between the output of the amplifier AMP2 and the input of the amplifier AMP3. Each of the first to third matching circuits (FIG. 4 AC) is installed in turn, and at the same time, the fourth matching circuit and the band cut filter for blocking the image frequency signal between the output of the amplifier AMP3 and one end of the mixing unit MX ( A low noise amplifying and frequency converting apparatus is provided by installing a low pass filter (E in FIG. 4) for passing only a desired intermediate frequency signal at the other end of the mixing section MX. . 제 1 항에 있어서, 상기한 정합회로들이 스트립 선로로 구성됨을 특징으로 하는 저잡음 증폭 및 주파수 변환장치.The low noise amplifying and frequency converting apparatus according to claim 1, wherein the matching circuits comprise strip lines. 제 1 항에 있어서, 상기한 저역 통과 필터가 래디얼 스터브로 구성됨을 특징으로 하는 저잡음 증폭 및 주파수 변환장치.2. The low noise amplification and frequency converter as claimed in claim 1, wherein the low pass filter comprises a radial stub. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880004801A 1988-04-27 1988-04-27 Low noisy amplifying and frequency-converting device KR900007278B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880004801A KR900007278B1 (en) 1988-04-27 1988-04-27 Low noisy amplifying and frequency-converting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880004801A KR900007278B1 (en) 1988-04-27 1988-04-27 Low noisy amplifying and frequency-converting device

Publications (2)

Publication Number Publication Date
KR890016753A true KR890016753A (en) 1989-11-30
KR900007278B1 KR900007278B1 (en) 1990-10-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880004801A KR900007278B1 (en) 1988-04-27 1988-04-27 Low noisy amplifying and frequency-converting device

Country Status (1)

Country Link
KR (1) KR900007278B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100434869B1 (en) * 2002-03-14 2004-06-22 (주)하이게인안테나 Frequency Band Convertable Low Noise Blockdown Converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100434869B1 (en) * 2002-03-14 2004-06-22 (주)하이게인안테나 Frequency Band Convertable Low Noise Blockdown Converter

Also Published As

Publication number Publication date
KR900007278B1 (en) 1990-10-06

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