KR970029289A - LED driving circuit using PECL signal - Google Patents

LED driving circuit using PECL signal Download PDF

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Publication number
KR970029289A
KR970029289A KR1019950039425A KR19950039425A KR970029289A KR 970029289 A KR970029289 A KR 970029289A KR 1019950039425 A KR1019950039425 A KR 1019950039425A KR 19950039425 A KR19950039425 A KR 19950039425A KR 970029289 A KR970029289 A KR 970029289A
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KR
South Korea
Prior art keywords
led
driving circuit
pecl signal
pecl
led driving
Prior art date
Application number
KR1019950039425A
Other languages
Korean (ko)
Other versions
KR0153954B1 (en
Inventor
김찬
Original Assignee
양승택
한국전자통신연구원
이준
한국전기통신공사
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 양승택, 한국전자통신연구원, 이준, 한국전기통신공사 filed Critical 양승택
Priority to KR1019950039425A priority Critical patent/KR0153954B1/en
Publication of KR970029289A publication Critical patent/KR970029289A/en
Application granted granted Critical
Publication of KR0153954B1 publication Critical patent/KR0153954B1/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)

Abstract

본 발명은 레벨 변환기(level translator)를 사용하지 않고 간단한 저항만 사용하거나 또는 추가로 LED의 점등, 소등의 조절을 위한 다이오드를 사용하여 PECL 신호로 LED를 구동할 수 있도록 한 회로를 제공하는데 그 목적이 있다.The present invention provides a circuit capable of driving an LED with a PECL signal by using a simple resistor without using a level translator or by additionally using a diode for controlling the lighting of the LED. There is this.

상기 목적을 달성하기 위하여 본 발명은, PECL 신호가 출력하는 디바이스(1)에 캐소우드가 연결되고 애노우드는 전원전압에 연결된 LED와, 상기 LED의 캐소우드에 일단이 연결되고 타단은 접지에 연결된 저항(2)을 구비하여, 간단한 회로를 이용하여 PECL 신홀 LED를 구동할 수 있어 경제적인 효과를 갖는다.In order to achieve the above object, the present invention, the cathode is connected to the device (1) outputted by the PECL signal, the anode is connected to the power supply voltage, LED, one end is connected to the cathode of the LED and the other end is connected to the ground With the resistor 2, it is possible to drive the PECL new hole LED using a simple circuit, which has an economic effect.

Description

피이씨엘(PECL) 신호를 이용한 엘이디(LED) 구동회로LED driving circuit using PECL signal

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

제1도는 저항값을 조정하여 PECL신호로 LED를 구동하는 회로의 구성도.1 is a configuration diagram of a circuit for driving an LED with a PECL signal by adjusting a resistance value.

제2도는 다이오드를 추가하여 PECL신호로 LED를 구동하는 회로의 구성도.2 is a configuration diagram of a circuit for driving an LED with a PECL signal by adding a diode.

Claims (4)

PECL 신호가 출력하는 디바이스(1)에 캐소우드가 연결되고 애노우드는 전원전압에 연결된 LED와, 상기 LED의 캐소우드에 일단이 연결되고 타단은 접지에 연결된 저항(2)을 구비하는 것을 특징으로 하는 PECL 신호를 이용한 LED 구동회로.A cathode is connected to a device 1 to which the PECL signal is output, and the anode has an LED connected to a power supply voltage, and a resistor 2 connected to one end of the cathode of the LED and the other end to ground. LED driving circuit using PECL signal. 제1항에 있어서, 상기 저항(2)은 10ohm 내지 550ohm 사이의 값을 갖도록 구성하는 것을 특징으로 하는 PECL 신호를 이용한 LED 구동회로.The LED driving circuit using a PECL signal according to claim 1, wherein the resistor (2) is configured to have a value between 10 ohm and 550 ohm. 제1항 또는 제2항에 있어서, 상기 전원전압과 상기 LED 사이에 순방향으로 접속되는 다이오드(3)를 더 포함하고 있는 것을 특징으로 하는 PECL 신호를 이용한 LED 구동회로.The LED driving circuit using a PECL signal according to claim 1 or 2, further comprising a diode (3) connected in a forward direction between the power supply voltage and the LED. 제3항에 있어서, 상기 LED는 PECL 신호가 로우일 때만 점등되도록 구성하는 것을 특징으로 하는 PECL 신호를 이용한 LED 구동회로.4. The LED driving circuit using a PECL signal according to claim 3, wherein the LED is configured to light only when the PECL signal is low. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950039425A 1995-11-02 1995-11-02 Light emitting diode with the driving circuit KR0153954B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950039425A KR0153954B1 (en) 1995-11-02 1995-11-02 Light emitting diode with the driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950039425A KR0153954B1 (en) 1995-11-02 1995-11-02 Light emitting diode with the driving circuit

Publications (2)

Publication Number Publication Date
KR970029289A true KR970029289A (en) 1997-06-26
KR0153954B1 KR0153954B1 (en) 1998-12-15

Family

ID=19432779

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950039425A KR0153954B1 (en) 1995-11-02 1995-11-02 Light emitting diode with the driving circuit

Country Status (1)

Country Link
KR (1) KR0153954B1 (en)

Also Published As

Publication number Publication date
KR0153954B1 (en) 1998-12-15

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