KR950022196A - Automatic output control circuit of wireless communication system - Google Patents

Automatic output control circuit of wireless communication system Download PDF

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Publication number
KR950022196A
KR950022196A KR1019930030691A KR930030691A KR950022196A KR 950022196 A KR950022196 A KR 950022196A KR 1019930030691 A KR1019930030691 A KR 1019930030691A KR 930030691 A KR930030691 A KR 930030691A KR 950022196 A KR950022196 A KR 950022196A
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KR
South Korea
Prior art keywords
output
amplifier
signal
circuit
wireless communication
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KR1019930030691A
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Korean (ko)
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KR0148810B1 (en
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최귀환
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정장호
엘지정보통신 주식회사
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Priority to KR1019930030691A priority Critical patent/KR0148810B1/en
Publication of KR950022196A publication Critical patent/KR950022196A/en
Application granted granted Critical
Publication of KR0148810B1 publication Critical patent/KR0148810B1/en

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    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

본 발영은 무선통신 시스템으 자동출력 제어회로레 관한 것으로서, 특히 조출력증폭기의 출력신호 세기를 검출하고, 이의 결과에 따라 출력레벨을 조절토록 하는 무선통신 시스템의 고출력 증폭기의 자동출력 제어회로에 관한 것이다.The present invention relates to an automatic output control circuit of a wireless communication system, and more particularly, to an automatic output control circuit of a high output amplifier of a wireless communication system that detects an output signal strength of a crude output amplifier and adjusts an output level according to the result. will be.

이를 위하여 고주파신호를 증폭하여 출력하는 고출력증폭기(31)와, 상기 고출력증폭기(31)의 출력을 일정하게 유지시키는 출력제어부(14)를 포함하는 무선통신 시스템의 자동출력 제어회로에 있어서, 상기 출력제어부(14)는 상기 조출력증폭기(13)의 출력주파수 세기를 감지하여 초단증폭기의 구동 전원전압을 조정하여 상기 고출력증폭기(13)의 출력주파수가 출력을 항상 일정하게 유지되도록한 것이다.To this end, in the automatic output control circuit of a wireless communication system comprising a high output amplifier 31 for amplifying and outputting a high frequency signal and an output control unit 14 for maintaining a constant output of the high output amplifier 31, the output The controller 14 senses the output frequency intensity of the crude output amplifier 13 to adjust the driving power supply voltage of the ultra-short amplifier so that the output frequency of the high output amplifier 13 is kept constant at all times.

Description

무선통신 시스템의 자동출력 제어회로Automatic output control circuit of wireless communication system

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

제2도는 본 고안에 따른 무선통신 시스템의 자동출력 제어회로도.2 is an automatic output control circuit diagram of a wireless communication system according to the present invention.

Claims (3)

고주파신호를 증폭하여 출력하느 고줄력증폭기(31)와, 상기 고출력증폭기(31)의 출력을 일정하게 유지시키는 출력제어부(14)를 포함하는 무선통신 시스템의 자동출력 제어회로에 있어서, 상기 출력제어부(14)는 상기 고출력증폭기(13)의 출력주파수 세기를 감지하여 초단증폭기의 구동 전원전압을 조정하여 상기 고출력증폭기(13)의 출력주파수가 출력을 하상 일정하게 유지되도록한 것을 특징으로 하는 무선 통신 시스템의 자동출력 제어회로In the automatic output control circuit of a wireless communication system comprising a high tension amplifier (31) for amplifying and outputting a high frequency signal, and an output control unit (14) for maintaining a constant output of the high output amplifier (31). (14) by detecting the output frequency intensity of the high output amplifier 13 by adjusting the driving power supply voltage of the ultra-short amplifier so that the output frequency of the high output amplifier 13 maintains the output constant lower phase Automatic output control circuit of the system 제1항에 있어서, 상기 고출력 증폭기(11)는, 입력신호를 1차로 증폭하는 초단증폭기(1)와, 상기 초단증폭기(1)의 출력단에 병렬 접속도어 입력신호를 분리하여 증폭하는 제1 및 제2종단증폭기(3)(4)로 이루어진 신호증폭회로(10)와, 상기 신호증폭회로(10)의 출력신호를 일반향으로만 전송하는 씨큘레이터(15)와, 상기 써큘레이터(15)의 출력 주파수중 소정대역만을 통과시키는 저역통과여파기(5)와, 상기 저여통과여파기(5)의 출력신호를 일정하게 감쇠시키는 방향성결합기(16)로 이루어진 것을 특징으로 하는 무선통신 시스템의 자동출력 제어회로2. The high output amplifier (11) according to claim 1, wherein the high output amplifier (11) comprises: a first stage amplifier (1) for amplifying an input signal firstly and a first stage for separating and amplifying a parallel connection door input signal at an output terminal of the first stage amplifier (1); A signal amplifier circuit (10) consisting of second terminal amplifiers (3) and (4), a cycler (15) for transmitting the output signal of the signal amplifier circuit (10) only in the general direction, and the circulator (15). Automatic output control of a wireless communication system, characterized in that it comprises a low pass filter (5) for passing only a predetermined band of the output frequency of the directional coupler (16) to attenuate the output signal of the low pass filter (5) constantly Circuit 제1항에 있어서, 상기 출력제어부(14)는, 상기 고출력증폭기(11)인 방향성결합기(16)의 출력신호를 정류하는 다이오드(D)와, 상기 다이오드(D)의 출력전압을 적분하여 위상반전된 신호를 출력하는 적분회로(17)와, 상기 적분회로(17)의 출력신호를 증폭하여 상기 신호증폭회로(10)인 초단증폭기(1)의 구동전원을 제어하는 달링턴증폭기(13)로 이루어진 것을 특징으로 하는 무선 통신 시스템의 자동출력 제어회로The method of claim 1, wherein the output control unit 14, the diode (D) for rectifying the output signal of the directional coupler 16, which is the high output amplifier 11, and the output voltage of the diode (D) by integrating the phase An integrating circuit 17 for outputting the inverted signal, and a Darlington amplifier 13 for amplifying the output signal of the integrating circuit 17 to control the driving power of the ultra-short amplifier 1 which is the signal amplifying circuit 10. Automatic output control circuit of a wireless communication system, characterized in that made ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930030691A 1993-12-29 1993-12-29 Automatic output control circuit of radio telecommunication KR0148810B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930030691A KR0148810B1 (en) 1993-12-29 1993-12-29 Automatic output control circuit of radio telecommunication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930030691A KR0148810B1 (en) 1993-12-29 1993-12-29 Automatic output control circuit of radio telecommunication

Publications (2)

Publication Number Publication Date
KR950022196A true KR950022196A (en) 1995-07-28
KR0148810B1 KR0148810B1 (en) 1998-11-02

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KR1019930030691A KR0148810B1 (en) 1993-12-29 1993-12-29 Automatic output control circuit of radio telecommunication

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456118B1 (en) * 1997-05-15 2004-12-23 엘지전자 주식회사 Device for controlling an output of a high-power amplifier in a mobile communication terminal, specifically concerned with compensating for a transmission output by detecting an output level of the high-power amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456118B1 (en) * 1997-05-15 2004-12-23 엘지전자 주식회사 Device for controlling an output of a high-power amplifier in a mobile communication terminal, specifically concerned with compensating for a transmission output by detecting an output level of the high-power amplifier

Also Published As

Publication number Publication date
KR0148810B1 (en) 1998-11-02

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