KR950003828A - Automatic adjustment of intermediate frequency (IF) by DC voltage and frequency measurement - Google Patents

Automatic adjustment of intermediate frequency (IF) by DC voltage and frequency measurement Download PDF

Info

Publication number
KR950003828A
KR950003828A KR1019930013994A KR930013994A KR950003828A KR 950003828 A KR950003828 A KR 950003828A KR 1019930013994 A KR1019930013994 A KR 1019930013994A KR 930013994 A KR930013994 A KR 930013994A KR 950003828 A KR950003828 A KR 950003828A
Authority
KR
South Korea
Prior art keywords
voltage
frequency
intermediate frequency
measurement
point
Prior art date
Application number
KR1019930013994A
Other languages
Korean (ko)
Other versions
KR960009933B1 (en
Inventor
이수원
Original Assignee
배순훈
대우전자 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.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019930013994A priority Critical patent/KR960009933B1/en
Publication of KR950003828A publication Critical patent/KR950003828A/en
Application granted granted Critical
Publication of KR960009933B1 publication Critical patent/KR960009933B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)

Abstract

본발명은 PCB조정기의 중간주파수(IF) 자동조정기에 관한 것으로 특히 DC전압과 각 중간주파수단의 VCO점의 TP점을 추출하여 중간주파수를 확인 및 조정하기 위한 직류전압 및 주파수측정에 의한 중간주파수 자동조정장치에 관한 것으로, 컴퓨터(10)를 GPIB제어기(20)를 통해 DC전압을 출력하는 프로그래머블파우워서플라이(80)와 단일신호를 발생하는 중간주파수발생기(70)와 DC전압측정과 주파수측정 TP점(CH2)(CH1)으로 절환하는 멀티플렉서(50)와 전압측정 TP점의 신호를 추출하는 A/D변환기(60)와 모터(30)를 제어하는 모터제어기(30)와 주파수를 측정하는 주파수측정기(40)에 GPIB버스로 상호 연결되게 하고 상기 프로그래머블파우워서플라이(80)와 중간주파수발생기(70) 출력신호를 하치구(90′)를 통해 조정하고자 하는 PCB어셈블리(100)에 출력되게 하고 모터(30′)를 상치구(90) 설치하여 PCB어셈블리(100)를 컴퓨터(10)에 의해 조정할 수 있게 한 것이다.The present invention relates to an intermediate frequency (IF) automatic regulator of a PCB regulator, and in particular, an intermediate frequency by DC voltage and frequency measurement for checking and adjusting the intermediate frequency by extracting the DC voltage and the TP point of the VCO point of each intermediate frequency stage. Automatic control device, the computer 10 is a programmable power supply 80 for outputting a DC voltage through the GPIB controller 20, the intermediate frequency generator 70 for generating a single signal, DC voltage measurement and frequency measurement The multiplexer 50 for switching to the TP point CH 2 (CH 1 ), the A / D converter 60 for extracting the signal of the voltage measurement TP point, and the motor controller 30 for controlling the motor 30 and the frequency To the PCB assembly 100 to be interconnected by the GPIB bus to the frequency measuring device 40 to be measured and to adjust the output signal of the programmable power supply 80 and the intermediate frequency generator 70 through the inlet 90 '. Output and motor (30 ') The fixture 90 is installed which allows to adjust by the PCB assembly 100 to the computer 10.

Description

직류(DC) 전압 및 주파수측정에 의한 중간주파수(IF) 자동조정장치Automatic adjustment of intermediate frequency (IF) by DC voltage and frequency measurement

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

제1도는 본 발명의 블럭도, 제2도는 본 발명의 동작순서도.1 is a block diagram of the present invention, Figure 2 is a flow chart of the present invention.

Claims (1)

컴퓨터(10)를 GPIB제어기(20)를 통해 DC전압을 출력하는 프로그래머블파우워서플라이(80)와 단일신호를 발생하는 중간주파수발생기(70)와 DC전압측정과 주파수측정 TP점(CH2)(CH1)으로 절환하는 멀티플렉서(50)와 전압측정 TP점의 신호를 추출하는 A/D변환기(60)와 모터(30)를 제어하는 모터제어기(30)와 주파수를 측정하는 주파수측정기(40)에 GPIB버스로 상호 연결되게 하고 상기 프로그래머블파우워서플라이(80)와 중간주파수발생기(70) 출력신호를 하치구(90')를 통해 조정하고자 하는 PCB어셈블리(100)에 출력되게 하고 모터(30')를 상치구(90) 설치하여 PCB어셈블리(100)를 컴퓨터(10)에 의해 조정할 수 있게 한 것을 특징으로 하는 직류전압 및 주파수측정에 의한 중간주파수(IF) 자동조정장치.The computer 10 supplies a programmable power supply 80 for outputting a DC voltage through the GPIB controller 20, an intermediate frequency generator 70 for generating a single signal, and a DC voltage measurement and frequency measurement TP point (CH 2 ) ( A multiplexer 50 for switching to CH 1 ), an A / D converter 60 for extracting a signal of a voltage measuring TP point, a motor controller 30 for controlling the motor 30, and a frequency measuring device 40 for measuring frequency To the GPIB bus and to output the programmable power supply 80 and the intermediate frequency generator 70 output signal to the PCB assembly 100 to be adjusted through the inlet 90 'and the motor 30'. ) Is installed on the upper teeth 90, the PCB assembly 100 is adjustable by the computer 10, characterized in that the automatic adjustment device for intermediate frequency (IF) by DC voltage and frequency measurement. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930013994A 1993-07-23 1993-07-23 If auto control circuit using dc voltage & frequency measurement KR960009933B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930013994A KR960009933B1 (en) 1993-07-23 1993-07-23 If auto control circuit using dc voltage & frequency measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930013994A KR960009933B1 (en) 1993-07-23 1993-07-23 If auto control circuit using dc voltage & frequency measurement

Publications (2)

Publication Number Publication Date
KR950003828A true KR950003828A (en) 1995-02-17
KR960009933B1 KR960009933B1 (en) 1996-07-25

Family

ID=19359881

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930013994A KR960009933B1 (en) 1993-07-23 1993-07-23 If auto control circuit using dc voltage & frequency measurement

Country Status (1)

Country Link
KR (1) KR960009933B1 (en)

Also Published As

Publication number Publication date
KR960009933B1 (en) 1996-07-25

Similar Documents

Publication Publication Date Title
KR880014722A (en) Voltage regulator of charging generator
CA1276227C (en) Input voltage compensated, microprocessor controlled, power regulator and method
KR950021481A (en) Internal step-down power circuit
RU2004101046A8 (en) DEVICE FOR MEASURING VISCOSITY
KR950004518A (en) Semiconductor integrated circuit device and its power supply method
KR970004334A (en) Timing signal generating circuit
DE60313909D1 (en) Turbine generator device
TW344895B (en) Delay element tester and integrated circuit with test function
KR900002517A (en) Electric power supply device
SE9200243D0 (en) GAS TURBINE CONTROL
KR950003828A (en) Automatic adjustment of intermediate frequency (IF) by DC voltage and frequency measurement
FR2386188A1 (en) METHOD AND DEVICE FOR CONTROL OF THE ALTERNATIVE VOLTAGE OF A STATIC CONVERTER
KR950012422A (en) Voice automatic control circuit of karaoke system
KR950006466A (en) Intermediate frequency (IF) automatic adjustment device using clamp board
BR0209359A (en) Frequency regulation circuit
IT1260930B (en) ADJUSTMENT DEVICE FOR VEHICLES.
KR900013378A (en) Load current and power factor variable
KR970031194A (en) Power factor correction circuit of boost converter with simple circuit configuration
KR950004946A (en) Horizontal shift device of video equipment
KR930022731A (en) Automatic Frequency Oscillation Control Circuit
KR950022033A (en) Voltage control device of main shaft drive generator
KR960015537A (en) Distortion measurement and adjustment device for audio signals
KR970026860A (en) Elevator power monitor
KR950023234A (en) Automatic adjustment of the light intensity of the lamp
KR940010451A (en) Motor noise reduction device

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19990629

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee