KR910012727A - Programming Method for Shortening the Center Frequency Measurement Period - Google Patents

Programming Method for Shortening the Center Frequency Measurement Period Download PDF

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Publication number
KR910012727A
KR910012727A KR1019890018915A KR890018915A KR910012727A KR 910012727 A KR910012727 A KR 910012727A KR 1019890018915 A KR1019890018915 A KR 1019890018915A KR 890018915 A KR890018915 A KR 890018915A KR 910012727 A KR910012727 A KR 910012727A
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KR
South Korea
Prior art keywords
center frequency
shortening
programming method
frequency measurement
measurement period
Prior art date
Application number
KR1019890018915A
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Korean (ko)
Other versions
KR970008084B1 (en
Inventor
김창환
Original Assignee
문정환
금성일렉트론 주식회사
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Application filed by 문정환, 금성일렉트론 주식회사 filed Critical 문정환
Priority to KR1019890018915A priority Critical patent/KR970008084B1/en
Publication of KR910012727A publication Critical patent/KR910012727A/en
Application granted granted Critical
Publication of KR970008084B1 publication Critical patent/KR970008084B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)

Abstract

내용 없음No content

Description

중심주파수 측정기간 단축을 위한 프로그래밍 방법Programming Method for Shortening the Center Frequency Measurement Period

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

제4도는 본 발명의 회로 구성도,4 is a circuit configuration diagram of the present invention,

제5도는 본 발명의 플로우 챠트.5 is a flow chart of the present invention.

Claims (1)

프리앰프(10), 리미터 앰프(20), 밴드패스필터(30), 검파 및 비교기(40) 그리고 버퍼(50)와 슈미트 트리거(60)로 회로를 구성하여 중심주파수(Fc)측정시 입력단자(1)를 통하여50μN(P-P)정현파의 주파수를 36KHZ에서 44KHZ까지 100HZ 간격으로 증가시키면서 이주파수가 밴드패스필터(30)를 통할때의 출력단자(3)의 전압이 최대로 될때의 주파수를 찾게함을 특징으로 하는 중심주파수 측정시간 단축을 위한 프로그래밍 방법.Pre-amplifier 10, a limiter amplifier 20, a bandpass filter 30, a detector and a comparator 40 and buffer 50 and a Schmitt trigger to a circuit center frequency to (60) (F c) input as measured While increasing the frequency of the 50 μN (PP) sine wave through the terminal 1 at intervals of 100 KZ from 36 KHZ to 44 KHZ, the frequency at which the voltage of the output terminal 3 when the frequency passes through the bandpass filter 30 is Programming method for shortening the center frequency measurement time characterized by finding. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890018915A 1989-12-19 1989-12-19 Programming method for frequency test KR970008084B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890018915A KR970008084B1 (en) 1989-12-19 1989-12-19 Programming method for frequency test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890018915A KR970008084B1 (en) 1989-12-19 1989-12-19 Programming method for frequency test

Publications (2)

Publication Number Publication Date
KR910012727A true KR910012727A (en) 1991-08-08
KR970008084B1 KR970008084B1 (en) 1997-05-20

Family

ID=19293156

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890018915A KR970008084B1 (en) 1989-12-19 1989-12-19 Programming method for frequency test

Country Status (1)

Country Link
KR (1) KR970008084B1 (en)

Also Published As

Publication number Publication date
KR970008084B1 (en) 1997-05-20

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