KR970049806A - Function Generator Circuit - Google Patents

Function Generator Circuit Download PDF

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Publication number
KR970049806A
KR970049806A KR1019950069322A KR19950069322A KR970049806A KR 970049806 A KR970049806 A KR 970049806A KR 1019950069322 A KR1019950069322 A KR 1019950069322A KR 19950069322 A KR19950069322 A KR 19950069322A KR 970049806 A KR970049806 A KR 970049806A
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KR
South Korea
Prior art keywords
voltage
current
reference voltage
function generator
generator
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Application number
KR1019950069322A
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Korean (ko)
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KR0157159B1 (en
Inventor
이동희
정현조
김찬
Original Assignee
정몽원
만도기계 주식회사
곽정소
한국전자 주식회사
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Application filed by 정몽원, 만도기계 주식회사, 곽정소, 한국전자 주식회사 filed Critical 정몽원
Priority to KR1019950069322A priority Critical patent/KR0157159B1/en
Publication of KR970049806A publication Critical patent/KR970049806A/en
Application granted granted Critical
Publication of KR0157159B1 publication Critical patent/KR0157159B1/en

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature

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  • Dc-Dc Converters (AREA)

Abstract

본 발명은 교차코일형 지시계기 구동장치에 사용되어 직류 입력 단자를 일원화하는 이외에 낮은 기준전압과 낮은 직류 입력전압으로 함수발생제어가 가능하도록 한 함수 발생기회로에 관한 것이다. 본 발명의 함수발생기회로는 소정의 기준전압을 발생시키는 기준전압 발생부(11) : 차속에 나타내는 입력신호를 받아 이에 상응하는 직류 전압으로 변환하는 F/V변환기(12), 상기 기준전압 발생부(11)에서 발생된 전압을 소정의 비율로 분할하는 다수의 직렬연결된 분압저항들(RF1),(RF2),(RF3),(RF4),(RF5),(RF6),(RF7),(RF8) : 분압저항(RF2), (RF4), (RF6), (RF8)에 의하여 분할된 전압을 각각의 기준전압과 비교하여 사인함수를 발생시키는 전류 증폭기(S1),(S2),(S3),(S4)로 이루어진 사인함수 발생기(20 : 분압저항(RF1),(RF3),(RF5),(RF7)에 의하여 분할된 전압을 각각의 기준전압과 비교하여 코사인함수를 발생시키는 전류증폭기(C1),(C2),(C3),(C4)로 이루어진 코사인함수 발생기(20 및 사인함수 발생기(20 와 코사인함수 발생기(30)의 출력에 각각 연결되는 정전류원(QS2),(QC2)로 이루어진다.The present invention relates to a function generator circuit that is used in a cross-coil type indicator driving device to enable a function generation control with a low reference voltage and a low DC input voltage in addition to unifying a DC input terminal. The function generator circuit of the present invention includes a reference voltage generator 11 for generating a predetermined reference voltage: an F / V converter 12 for receiving an input signal representing a vehicle speed and converting it into a corresponding DC voltage, and the reference voltage generator Multiple series-connected voltage divider resistors RF1, (RF2), (RF3), (RF4), (RF5), (RF6), (RF7), ( RF8): Current amplifiers S1, S2, and S3 which generate a sine function by comparing the voltage divided by voltage divider RF2, RF4, RF6, and RF8 with respective reference voltages. Sine function generator 20 consisting of (S4): a current amplifier for generating a cosine function by comparing the voltage divided by the divided resistors (RF1), (RF3), (RF5), (RF7) with each reference voltage Constant current source QS2, QC2 connected to the output of cosine function generator 20 and sine function generator 20 and cosine function generator 30, respectively consisting of (C1), (C2), (C3) and (C4). Is made of.

Description

함수발생기회로Function Generator Circuit

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

제4도는 본 발명의 교차코일형 지시계기 구동장치의 함수발생기의 기능블록도.4 is a functional block diagram of a function generator of a cross-coil type indicator driving device of the present invention.

제5도는 제4도의 상세회로도이다.5 is a detailed circuit diagram of FIG.

Claims (7)

소정의 기준전압을 발생시키는 기준전압 발생부(11) : 상기 기준전압 발생부(11)에서 발생된 전압을 분할하는 다수의 분압저항(RF1),(RF2),(RF3), (RF4),(RF5),(RF6),(RF7),(RF8) 및 상기 분압저항 (RF2),(RF4),(RF6),(RF8)에 의하여 분할된 전압을 각각의 기준전압과 비교하여 사인함수를 발생시키는 전류증폭기(S1),(S2),(S3),(S4)로 이루어진 사인함수 발생기(20)로 이루어지고, 상기 전류증폭기(S1)는 기준전압 비교단자를 비반전(+)단자에 연결하고 상기 전류증폭기(S2)는 기준전압 비고단자를 반전(-)단자에 연결하여 상호 대칭이 이루어지도록하고, 상기 전류증폭기(S3)는 기준전압 비교단자를 비반전(+)단자에 연결하고 상기 전류증폭기(S4)는 기준전압 비교단자를 반전(-)단자에 연결하여 상호 대칭이 이루어지도록 한 함수발생기회로.Reference voltage generator 11 for generating a predetermined reference voltage: a plurality of voltage dividers (RF1), (RF2), (RF3), (RF4), which divides the voltage generated by the reference voltage generator 11, Compare the voltage divided by (RF5), (RF6), (RF7), (RF8) and the voltage divider (RF2), (RF4), (RF6), and (RF8) with the respective reference voltages to obtain a sine function. Sine function generator 20 consisting of current amplifiers (S1), (S2), (S3), and (S4) to generate, wherein the current amplifier (S1) is a reference voltage comparison terminal to the non-inverting (+) terminal And the current amplifier S2 connects the reference voltage non-high terminal to the inverting (-) terminal to be symmetrical, and the current amplifier S3 connects the reference voltage comparison terminal to the non-inverting (+) terminal. The current amplifier (S4) is a function generator circuit for the mutual symmetry by connecting the reference voltage comparison terminal to the inverting (-) terminal. 제1항에 있어서, 상기 각각의 전류증폭기(S1),(S2),(S3),(S4)의 출력단자에 공통으로 연결되며, 이 출력단자의 전류변화량에 상응하는 전류의 변화를 가지도록 된 정전류원(QS2)을 더 구비한 함수발생기회로.According to claim 1, It is connected to the output terminals of each of the current amplifier (S1), (S2), (S3), (S4) in common, so as to have a change in the current corresponding to the current change amount of the output terminal A function generator circuit further comprising a constant current source QS2. 제2항에 있어서, 입력신호에 상응하는 직류전압을 발생하는 직류전압 발생부(12)를 더 구비하고, 상기 직류전압 발생부(12)에서 출력되는 직류전압의 변화에 따라 상기 각각의 전류증폭기(S1),(S2),(S3),(S4)의 전류변화를 제어하도록 한 함수발생기회로.3. The apparatus of claim 2, further comprising a DC voltage generator 12 for generating a DC voltage corresponding to an input signal, wherein each of the current amplifiers is changed in accordance with a change in the DC voltage output from the DC voltage generator 12. A function generator circuit for controlling the current change of (S1), (S2), (S3), and (S4). 제3항에 있어서, 상기 정전류원(QS2)은 상기 각각의 전류증폭기(S1),(S2),(S3),(S4)의 전류를 일정한 값이 되도록 하는 함수발생기회로.4. The function generator circuit according to claim 3, wherein the constant current source (QS2) sets the current of each of the current amplifiers (S1), (S2), (S3) and (S4) to a constant value. 제4항에 있어서, 상기 정전류원(QS2)의 전류가 함수발생과 연동성을 가지도록 상기 기준전압의 1/2의 전압을 발생하는 1/2 기준전압 발생부(14)를 더 구비한 함수발생기회로.The method of claim 4, wherein the function generation further comprises a half reference voltage generator 14 for generating a voltage of 1/2 of the reference voltage so that the current of the constant current source (QS2) is interlocked with the function generation As an opportunity. 제5항에 있어서, 입력신호의 변화에 상응하는 기준전압 발생부(12)의 출력을 상기 각각의 전류증폭기(S1),(S2),(S3),(S4)의 기준전압 비교단자들과 반대로 되어 있는 각각의 입력단자에 공통입력으로 사용하는 함수발생기회로.The method of claim 5, wherein the output of the reference voltage generator 12 corresponding to the change of the input signal is compared with the reference voltage comparison terminals of the respective current amplifiers S1, S2, S3, and S4. Function generator circuit used as common input to each input terminal reversed. 제1항 내지 제6항중 어느 한항에 있어서, 상기 전류증폭기(S1),(S2)의 비교 전압들의 중간전압을 기준전압으로 하는 전류증폭기(C1), 상기 전류증폭기(S2),(S3)의 비교전압들의 중간전압을 기준전압으로 하는 전류증폭기(C2), 상기 전류증폭기(S3),(S4)의 비교전압들의 중간전압을 기준전압으로 하는 전류증폭기(C3) 및 임의의 직류전압을 기준전압으로 하는 전류증폭기(C4)로 이루어진 코사인함수 발생기(30)을 더 구비하고, 상기 코사인함수 발생기(30)의 각각의 전류증폭기(C1),(C2),(C3),(C4)는 사인함수발생기(20)의 각각의 전류증폭기(S1),(S2),(S3),(S4)와 대칭을 이루도록 한 함수발생기회로.The current amplifier (C1), the current amplifier (S2), (S3) of any one of claims 1 to 6, wherein the intermediate voltage of the comparison voltages of the current amplifier (S1), (S2) as a reference voltage The current amplifier C2 using the intermediate voltage of the comparison voltages as the reference voltage, the current amplifier C3 using the intermediate voltage of the comparison voltages of the current amplifiers S3 and S4 as the reference voltage, and any DC voltage as the reference voltage. Further comprising a cosine function generator 30 made of a current amplifier (C4), each of the current amplifier (C1), (C2), (C3), (C4) of the cosine function generator 30 is a sine function A function generator circuit configured to be symmetrical with each of the current amplifiers S1, S2, S3, and S4 of the generator 20. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950069322A 1995-12-30 1995-12-30 Function generator circuit KR0157159B1 (en)

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Application Number Priority Date Filing Date Title
KR1019950069322A KR0157159B1 (en) 1995-12-30 1995-12-30 Function generator circuit

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Application Number Priority Date Filing Date Title
KR1019950069322A KR0157159B1 (en) 1995-12-30 1995-12-30 Function generator circuit

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KR970049806A true KR970049806A (en) 1997-07-29
KR0157159B1 KR0157159B1 (en) 1998-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692486B1 (en) * 2006-05-09 2007-03-12 이성규 Moth-proof watch of assembly method and assembly system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692486B1 (en) * 2006-05-09 2007-03-12 이성규 Moth-proof watch of assembly method and assembly system

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