KR930001702A - Antenna abnormality detection circuit of RF system - Google Patents

Antenna abnormality detection circuit of RF system Download PDF

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Publication number
KR930001702A
KR930001702A KR1019910010201A KR910010201A KR930001702A KR 930001702 A KR930001702 A KR 930001702A KR 1019910010201 A KR1019910010201 A KR 1019910010201A KR 910010201 A KR910010201 A KR 910010201A KR 930001702 A KR930001702 A KR 930001702A
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KR
South Korea
Prior art keywords
signal
antenna
output
decibel
input
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Application number
KR1019910010201A
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Korean (ko)
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KR100194032B1 (en
Inventor
이상완
Original Assignee
강진구
삼성전자 주식회사
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Priority to KR1019910010201A priority Critical patent/KR100194032B1/en
Publication of KR930001702A publication Critical patent/KR930001702A/en
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Publication of KR100194032B1 publication Critical patent/KR100194032B1/en

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Abstract

내용 없음No content

Description

RF 시스템의 안테나 이상 현상 감지회로Antenna abnormality detection circuit of RF system

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

제1도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

Claims (2)

대기에 전파되는 신호를 수신하는 안테나(12)와, 상기 안테나(12)를 통한 신호를 입력처리하는 튜너(14) 및 상기 튜너(14)의 출력을 신호처리하여 RF신호를 재생처리하는 RF신호 재생 출력수단을 구비한 RF시스템의 안테나 이상현상 감지회로에 있어서, 입력단자가 상기 안테나(12)에 접속되어 있으며, 전원전압(Vcc)입력에 의해 동작되어 상기 안테나(12)를 통해 수신되는 수신신호 이득레벨이 소정레벨 이상일때 정상음을 출력하는 데시벨 체크수단(34)와, 전원전압(Vcc)과 상기 데시벨 체크수단(34)의 전원전압 입력단자사이에 접속되어 있으며 제어신호 입력에 응답하여 상기 전원전압(Vcc)을 상기 데시별 체크수단(34)에 입력시키는 스위치(32)와, 상기 데시벨 체크수단(34)의 출력과 상기 RF신호 재생신호 출력수단 사이에 접속되어 입력되는 신호를 증폭하여 상기 재생신호 출력수단을 통해 입력신호를 출력하는 정상상태 신호 출력수단(36, 38)으로 구성됨을 특징으로 하는회로.An RF signal for reproducing an RF signal by signal-processing an antenna 12 for receiving a signal propagated to the atmosphere, an output of the tuner 14 and an output of the tuner 14 for input processing a signal through the antenna 12. In an antenna abnormality detection circuit of an RF system having a regenerative output means, an input terminal is connected to the antenna 12 and is received by the antenna 12 operated by a power supply voltage (Vcc) input. It is connected between the decibel check means 34 for outputting a normal sound when the signal gain level is higher than a predetermined level, and the power supply voltage Vcc and the power supply voltage input terminal of the decibel check means 34. A switch 32 for inputting the power supply voltage Vcc to the decibel check means 34 and amplified signal connected between the output of the decibel check means 34 and the RF signal reproduction signal output means. By above Circuit comprising a steady state signal output means (36, 38) for outputting an input signal through the reproduction signal output means. 제1항에 있어서, 상기한 안테나(12)와 데시벨 체크수단(34) 입력단자 사이에 상기 안테나(12)의 출력을 드라이브하는 버퍼(28)와, 상기 스위치(32)에 입력되는 제어신호에 응답하여 상기 버퍼(28)의 출력을 상기 데시벨 체크수단(34)에 입력시키는 스위치(30)를 더 포함함을 특징으로 하는 회로.2. The control circuit according to claim 1, further comprising a buffer (28) for driving the output of said antenna (12) between said antenna (12) and said decibel check means (34) input terminal. And a switch (30) in response to input the output of said buffer (28) to said decibel check means (34). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910010201A 1991-06-19 1991-06-19 Antenna Error Detection Circuit of RF System KR100194032B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910010201A KR100194032B1 (en) 1991-06-19 1991-06-19 Antenna Error Detection Circuit of RF System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910010201A KR100194032B1 (en) 1991-06-19 1991-06-19 Antenna Error Detection Circuit of RF System

Publications (2)

Publication Number Publication Date
KR930001702A true KR930001702A (en) 1993-01-16
KR100194032B1 KR100194032B1 (en) 1999-06-15

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ID=67440750

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910010201A KR100194032B1 (en) 1991-06-19 1991-06-19 Antenna Error Detection Circuit of RF System

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KR (1) KR100194032B1 (en)

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Publication number Publication date
KR100194032B1 (en) 1999-06-15

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