KR970003839Y1 - Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter - Google Patents

Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter Download PDF

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KR970003839Y1
KR970003839Y1 KR2019930005124U KR930005124U KR970003839Y1 KR 970003839 Y1 KR970003839 Y1 KR 970003839Y1 KR 2019930005124 U KR2019930005124 U KR 2019930005124U KR 930005124 U KR930005124 U KR 930005124U KR 970003839 Y1 KR970003839 Y1 KR 970003839Y1
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South Korea
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voltage
automatic
circuit
pcb
gain control
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KR2019930005124U
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Korean (ko)
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KR940023263U (en
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손봉락
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대우전자 주식회사
배순훈
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

내용없음No content

Description

디지탈/아날로그(D/A)변환기를 이용한 피씨비(PCB) 자동조정기의 전압 자동이득제어(AGC) 전압가변회로Voltage Automatic Gain Control (AGC) Voltage Variable Circuit of PCB Automatic Regulator Using Digital / Analog (D / A) Converter

제1도는 종래의 전체 블럭도1 is a conventional overall block diagram

제2도는 본 고안의 전체 블럭도2 is a block diagram of the present invention

제3도는 본 고안의 자동이득제어(AGC) 전압가변회로 상세회로도3 is a detailed circuit diagram of an automatic gain control (AGC) voltage variable circuit of the present invention

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 모터제어부 20 : 모터10: motor control unit 20: motor

30 : PCB 40 : 신호발생기30: PCB 40: Signal Generator

50 : 컴퓨터 50A : 확장술롯(EXPANSION SLOTS)50: Computer 50A: EXPANSION SLOTS

60 : 자동이득제어(AUTO GAIN CONTROL : AGC)전압가변회로60: AUTO GAIN CONTROL (AGC) Voltage Variable Circuit

60A : 인더페이스회로 60A' : 포트확장기60A: Interface circuit 60A ': Port expander

60A : 양방향성버퍼 60B : 직류(DC) 전원공급회로60A: Bidirectional buffer 60B: DC power supply circuit

60B' : 직류전압변환회로 60B : D/A변환회로60B ': DC voltage conversion circuit 60B: D / A conversion circuit

70 : B+(BIAS)전원공급장치 OR : 오아게이트70: B + (BIAS) power supply OR: Oagate

OP : 증폭기 TRl, TR2 : 트랜지스터OP: amplifier TRl, TR2: transistor

R1-R6 : 저항 Dl, D2 : 다이오드R1-R6: resistor Dl, D2: diode

C1-C9 : 콘덴서 L1-L4 : 코일C1-C9: condenser L1-L4: coil

본 고안은 PCB 자동조정기에 있어서 특히 컴퓨터와의 상호인터페이스하여 직류(DC) 전압을 제어하기 위한 D/A(디지탈/아날로그) 변확기를 이용한 피씨비(PCB) 자동조정기의 전압 자동이득제어 회로에 관한 것이다.The present invention relates to a voltage automatic gain control circuit of a PCB automatic regulator using a D / A (digital / analog) transformer for controlling a direct current (DC) voltage by interfacing with a computer. .

일반적으로 PCB 자동조정기 시스템 구성시 DC전원공급장치가 필요하며 중간주파수(lNTERMEDIATE FREQUENCY : IF)를 조정할때 PCB에 B+(BIAS)전압과 자동이득제어(AUTO GAIN CONTROL : AGC) 전압이 쓰여진다.In general, DC power supply is required to configure PCB automatic regulator system. When adjusting intermediate frequency (lNTERMEDIATE FREQUENCY: IF), B + (BIAS) voltage and AUTO GAIN CONTROL (AGC) voltage are written on PCB.

종래에는 제1도에서와 같이 GP-IB(GENERAL PURPOSE INTERFACE BUS)를 이용하여 프로그램이 가능한 외부전원장치를 이용하기 때문에 응답속도가 느리고 하나의 장비가 시스템에 탑재되므로 시스템의 부피가 커지게 되며 가격이 비싸지게 되는 등의 단점을 안고 있었던 것이다.Conventionally, as in FIG. 1, since the external power supply which is programmable using GP-IB (GENERAL PURPOSE INTERFACE BUS) is used, the response speed is slow and one equipment is mounted in the system, thereby increasing the volume of the system. This was expensive and had the disadvantages.

따라서 본 고안은 상기와 같은 제반 결점을 해소하기 dnl하여 안출한 것으로서 그 목적으로는 한장의 PCB에 컴퓨터 인터페이스회로와 DC 전원공급회로가 내장된 자동이득제어(AGC) 전압가변회로를 탑재하여 시스템의 응답속도가 빨라지고 제품가격 및 부피를 줄일 수 있도록 하는데 있다.Therefore, the present invention was devised to solve the above-mentioned shortcomings, and for this purpose, an automatic gain control (AGC) voltage variable circuit having a computer interface circuit and a DC power supply circuit is mounted on a single PCB. The response speed is faster and the product price and volume can be reduced.

이를 첨부된 도면에 의해 설명하기로 한다.This will be described with reference to the accompanying drawings.

컴퓨터(50)를 모터제어부(10)와 모터(20)를 통해 PCB(30)에 연결하여 PCB(30)를 조정하게 하고 상기 PCB(30)를 컴퓨터(50)에 접속하고 B+ 전원공급장치(70)와 신호발생기(40) 및 컴퓨터(50)와 GP-IB로 연결하는 프로그래머를 전원공급장치(A)롤 PCB(30)에 각각 접속한 통상의 장치에 있어서 컴퓨터(50)의 확장슬롯(50A)을 자동이득제어 전압가변회로(60)내 인터페이스회로(60A)의 양방향성버퍼(60A)와 포트확장기(60A')를 거쳐 직류전원공급회로(60B)의 D/A번화기(60B)를 통해 증폭기(OP)와 트랜지스터(TRl)(TR2)와 다이오드(Dl)와 저항(R1-R6)과 큰덴서(C6-C9)의 조합으로 구성된 직류전압변환회로(60B')롤 거쳐 출력되게 하여 PCB(30)에 연결하여서된 D/A변환기를 이용한 PCB자동조정기의 전압 자동이득제어(AGC) 전압가변회로인 것이다.The computer 50 is connected to the PCB 30 through the motor control unit 10 and the motor 20 to adjust the PCB 30, and the PCB 30 is connected to the computer 50 and the B + power supply unit ( 70, an expansion slot of the computer 50 in a conventional apparatus in which a programmer for connecting the signal generator 40 and the computer 50 to the GP-IB is connected to the power supply A roll PCB 30, respectively. 50A) through the bidirectional buffer 60A of the interface circuit 60A and the port expander 60A 'in the automatic gain control voltage variable circuit 60, and then open the D / A phone number 60B of the DC power supply circuit 60B. Through the DC voltage conversion circuit 60B 'composed of a combination of an amplifier OP, a transistor TRl, a TR2, a diode Dl, a resistor R1-R6, and a large capacitor C6-C9. It is a voltage automatic gain control (AGC) voltage variable circuit of the automatic PCB regulator using a D / A converter connected to the PCB (30).

이하 첨부된 도면에 의거하여 본 고안의 작용 및 효과를 상세히 설명하면 다음과 같다.Hereinafter, the operation and effects of the present invention will be described in detail with reference to the accompanying drawings.

B+ 전원공급장치(70)에서 B+(BIAS) 전원이 공급되고 신호발생기(40)에서 조정신호가 인가되면 컴퓨터(50)의 제어명령에 따라 모터제어부(10)에서 모터(20)를 제어하여 구동시켜 PCB(30)를 자동조정하는 장치에 있어서, 컴퓨터(50)의 확장슬룻(50A)에서 컴퓨터(50)내의 여러가지 자체신호를 이용하여 자동이득 제어 전압가변회로(60)의 양방향성버퍼(60A)와 포토확장기(60A')로된 인터페이스회로(60A)를 통해 직류 전원공급회로(60B)의 D/A변환회로(60B)와 입, 출력통신을 행하기 위하여 8비트데이타를 출력시키면 직류전원공급회로(60B)의 D/A변환회로(60B)에 의해 컴퓨터(50)에서 출력되는 8비트디지탈(DIGITAL) 신호를 아날로그(ANALOG) 전류값으로 변환하여 출력시켜 직류전압변환회로(60B')의 증폭기(OP) 비반전단자(+)에 인가되면 상기 증폭기(OP)는 인가된 전류값을 전압값으로 변환되어 최종 원하는 DC 전압을 PCB(30)에 출력시킨다.When the B + (BIAS) power is supplied from the B + power supply device 70 and the adjustment signal is applied from the signal generator 40, the motor control unit 10 controls and drives the motor 20 according to the control command of the computer 50. In the apparatus for automatically adjusting the PCB 30, the bidirectional buffer 60A of the automatic gain control voltage variable circuit 60 uses various self signals in the computer 50 in the expansion slot 50A of the computer 50. And 8-bit data are outputted to perform input / output communication with the D / A conversion circuit 60B of the DC power supply circuit 60B through the interface circuit 60A composed of the photo expander 60A '. The 8-bit digital signal output from the computer 50 by the D / A conversion circuit 60B of the circuit 60B is converted into an analog current value and outputted to the DC voltage conversion circuit 60B '. When the amplifier OP is applied to the non-inverting terminal (+), the amplifier OP converts the applied current value into a voltage value. And output the final desired DC voltage to the PCB (30).

또한 트랜지스터(TRl)(TR2)에 의해 전류증폭을 하여 더욱 안정된 DC 전압을 공급할 수 있다.In addition, the transistors TRl and TR2 amplify the current to supply a more stable DC voltage.

상술한 바와 같이 본 고안은 컴퓨터에서 소프트웨어로 PCB에 출력되는 최종 DC전압을 언제든지 원하는 전압으로 가변할 수 있어 시스템 응답속도가 빨라지고 제품가격 하락 및 부피를 줄일 수 있는 유익한 고안이다.As described above, the present invention can change the final DC voltage output from the computer to the PCB at any time to a desired voltage, which is an advantageous design that can increase the system response speed and reduce the product price and volume.

Claims (3)

전원을 공급하는 B+(BIAS) 전원공급장치(70)와 신호발생기(40)와 프로그래머블 전원공급장치(A)를 PCB(30)에 연결하고 컴퓨터(50)를 모터제어부(10)와 모터(20)를 통해 PCB(30)에 접속하고 상기PCB(30)를 컴퓨터(50)에 연결한 통상의 장치에 있어서,The B + (BIAS) power supply 70, the signal generator 40, and the programmable power supply A that supply power are connected to the PCB 30, and the computer 50 is connected to the motor control unit 10 and the motor 20. In the conventional device connected to the PCB 30 through the () and the PCB 30 to the computer 50, 컴퓨터(50) 확장슬룻(50A)을 포트확장기(60A')와 양방향성버퍼(60A) 인터페이스회로(60A)와 직류전원 공급회로(60B)로 구성된 자동이득제어(AGC) 전압가변회로(60)를 통해 PCB(30)에 연결되게 구성함을 특징으로 하는 D/A변확기를 이용한 PCB자동조정기의 전압자동이득제어(AGC) 전압가변회로An automatic gain control (AGC) voltage variable circuit (60) consisting of a port expander (60A '), a bidirectional buffer (60A), an interface circuit (60A), and a DC power supply circuit (60B) is provided. Voltage automatic gain control (AGC) voltage variable circuit of an automatic PCB regulator using a D / A transformer, characterized in that it is configured to be connected to the PCB (30) through 제1항에 있어서,The method of claim 1, D/A변환회로(60B)와 직류전압변환회로 (60B')로서 직류전원공급회로 (60B)를 구성한 것을 특징으로 하는 D/A 변환기를 이용한 PCB 자동조정기의 전압자동이득제어(AGC) 전압가변회로Automatic voltage gain control (AGC) voltage variation of an automatic PCB regulator using a D / A converter, comprising a DC power supply circuit 60B as a D / A conversion circuit 60B and a DC voltage conversion circuit 60B '. Circuit 제2항에 있어서,The method of claim 2, 직류전압변환회로(60B')를 전류값을 전압값으로 바꾸어 증폭하는 증폭기(OP)와 전압값을 높여 원하는 DC 전압을 출력하는 트랜지스터(TRl)(TR2)로 구성함을 특징으로 하는 D/A변환기를 이용한 PCB 자동조정기의 전압 자동이득제어(AGC) 전압가변회로D / A, characterized in that the DC voltage conversion circuit (60B ') is composed of an amplifier (OP) for converting the current value to a voltage value and amplifying the transistor, and a transistor (TRl) (TR2) for increasing the voltage value and outputting a desired DC voltage. Voltage automatic gain control (AGC) voltage variable circuit of automatic PCB regulator using transducer
KR2019930005124U 1993-03-31 1993-03-31 Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter KR970003839Y1 (en)

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Application Number Priority Date Filing Date Title
KR2019930005124U KR970003839Y1 (en) 1993-03-31 1993-03-31 Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter

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Application Number Priority Date Filing Date Title
KR2019930005124U KR970003839Y1 (en) 1993-03-31 1993-03-31 Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter

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KR940023263U KR940023263U (en) 1994-10-22
KR970003839Y1 true KR970003839Y1 (en) 1997-04-24

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KR2019930005124U KR970003839Y1 (en) 1993-03-31 1993-03-31 Automatic voltage gain control voltage changeable circuit of automatic pcb controller using d/a converter

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