KR900001894Y1 - Driving circuit for leds used spurious - Google Patents

Driving circuit for leds used spurious Download PDF

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Publication number
KR900001894Y1
KR900001894Y1 KR2019870022019U KR870022019U KR900001894Y1 KR 900001894 Y1 KR900001894 Y1 KR 900001894Y1 KR 2019870022019 U KR2019870022019 U KR 2019870022019U KR 870022019 U KR870022019 U KR 870022019U KR 900001894 Y1 KR900001894 Y1 KR 900001894Y1
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South Korea
Prior art keywords
circuit section
spurious
led
frequency
circuit
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KR2019870022019U
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Korean (ko)
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KR890014968U (en
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최진호
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삼성전자주식회사
안시환
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Communication System (AREA)
  • Transmitters (AREA)

Abstract

내용 없음.No content.

Description

스퓨리이스를 이용한 LED 구동회로LED driving circuit using spurious

제1도는 종래의 회로도.1 is a conventional circuit diagram.

제2도는 본 고안의 회로도.2 is a circuit diagram of the present invention.

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

IC1: 송신신호발생(IC) 1 : 발진회로부IC 1 : Transmit Signal Generation (IC) 1: Oscillator Circuit

2 : 표본화(Sampling) 회로부 3 : 고주파증폭회로부2: Sampling circuit part 3: High frequency amplification circuit part

4 : FO주파수차단회로부 5 : 정류회로부4: FO frequency cutoff circuit part 5: rectification circuit part

LED2: 발광다이오드 D1: 정류용다이오드LED 2 : Light emitting diode D 1 : Rectifier diode

C1, C2: 콘덴서C 1 , C 2 : condenser

본 고안은 스퓨리어스(Spurious)를 이용한 LED(발광다이오드) 구동 회로에 관한 것이다.The present invention relates to an LED (light emitting diode) driving circuit using spurious.

종래에는 제1도에 도시한 바와같이, 밧테리(B1)의 전원 키(송신기의 키)를 눌렀을 경우 직접회로부(IC)의 단자(LMO)의 전위가 "로우"로 떨어져 발광다이오드(LED1)로 밧데리(B1)의 전원이 흐르게 됨으로써 발광다이오드(LED1)는 구동하게 된다. 이때 저항(R1)과 밭광다이오드(LED)에 가해진 전류에 의하여 밧데리(B1)가 소모하게 되는 문제점이 있었다.Conventionally, as shown in FIG. 1 , when the power key (transmitter key) of the battery B 1 is pressed, the potential of the terminal LMO of the integrated circuit unit IC drops to "low" and the light emitting diode LED 1 The power of the battery B 1 flows to the light emitting diode LED 1 to be driven. At this time, there was a problem that the battery (B 1 ) is consumed by the current applied to the resistor (R 1 ) and the field diode (LED).

본 고안은 이러한 문제점을 해결할 수 있도록 송신 신호 발생부와 기준주파수 차단회로부 및 정류회로부등을 이용한 간단한 회로를 구성하여 송신 신호 발생부에서 발생되는 스퓨리어스 성분과 원하는 주파수 fo를 fo주파수 차단회로부와 정류회로부로 통과시켜 정류된 DC전압으로 LED를 구동시킬 수 있도록 안출한 것으로, 이를 첨부한 도면에 의하여 상세히 설명하면 다음과 같다.The present invention consists of a simple circuit using a transmission signal generator, a reference frequency cutoff circuit and a rectifier circuit to solve this problem. In order to drive the LED to the rectified DC voltage by passing through as described in detail with the accompanying drawings as follows.

원하는 송신주파수 FO를 송신출력단으로 출력하여 수신부로 송신할 수 있도록 발진회로부(1) 및 표본화 회로부(2), 고주파 증폭회로부(3)로 구성된 송신 신호 발생부(IC1)를 구성하고, 원하는 송신 주파수 FO와 스퓨리어스 성분은 상기 표본화 회로부(2)와 고주파 증폭회로부(3)의 사이에 연결된 FO주파수 차단회로부(4)와 정류회로부(5)를 통하여 정류된 DC전압으로 발광다이오드(LEC2)를 구동시킬 수 있도록 연결하여 구성한 것이다.A transmission signal generator IC 1 composed of an oscillation circuit section 1, a sampling circuit section 2, and a high frequency amplification circuit section 3 is configured so that a desired transmission frequency FO can be output to a transmission output stage and transmitted to a reception section. The frequency FO and the spurious component cause the light emitting diode LEC 2 to be rectified by the DC voltage rectified through the FO frequency cut-off circuit part 4 and the rectifier circuit part 5 connected between the sampling circuit part 2 and the high frequency amplification circuit part 3. It is connected and configured to be driven.

이와같이 구성된 본 고안의 작용효과를 설명하면 다음과 같다.Referring to the effect of the present invention configured as described above are as follows.

우선, 원하는 송신주파수 FO(FO는 기준주파수임)는 송신 신호 발생부(IC1)의 내부에 구성된 발진회로부(1)와 표본화 회로부(2)를 통하여 고주파 증폭회로부(3)에서 증폭하게 되고, 증폭된 신호는 송신출력단을 통해 수신부(도면에서는 생략함)로 송신하게 된다. 이때 원하는 송신주파수 FO뿐만아니라 부수적으로 얻어지는 스퓨리어스 성분은 코일(L1)과 콘덴서(C2)로 된 FO주파수 차단회로부(4)를 통하여 상기 FO주파수 차단회로부(4)에서는 FO(FO는 기준주파수임)를 뺀 나머지 스퓨리어스 성분을 얻게 된다. 이와같은 스퓨리어스 성분은 정류용 다이오드(D1) 및 콘덴서(C1)로 된 정류회로부(5)를 통하여 정류된 DC전압에 의해 발광 다이오드(LEO2)를 구동시키게 되는 것이다.First, the desired transmission frequency FO (FO is a reference frequency) is amplified by the high frequency amplification circuit section 3 through the oscillation circuit section 1 and the sampling circuit section 2 configured inside the transmission signal generation section IC 1 , The amplified signal is transmitted to the receiver (not shown in the drawing) through the transmission output terminal. At this time, the spurious component obtained as well as ancillary transmission frequency FO is obtained through the FO frequency blocking circuit section 4 consisting of the coil L 1 and the condenser C 2 . Minus) to get the spurious component. Such a spurious component is to drive the light emitting diode (LEO 2 ) by the rectified DC voltage through the rectifying circuit unit 5 of the rectifying diode (D 1 ) and the capacitor (C 1 ).

그러나 송신주파수 FO가 있을 때에만 발광 다이오드(LED2)에서는 빛을 발광시켜 주므로서 송신 신호외 유, 무를 쉽게 확인할 수가 있는 것이다.However, the light emitting diode (LED 2 ) emits light only when there is a transmission frequency FO, so it is easy to check the presence or absence of the transmission signal.

이상에서와 같이 동작되는 본 고안은, DC전압으로 LED를 구동시켜 주므로써 밧데리의 소모를 방지시켜 주는 효과가 있다.The present invention operated as described above, there is an effect to prevent the consumption of the battery by driving the LED to the DC voltage.

Claims (1)

원하는 송신 주파수 FO를 송신 출력단으로 출력할 수 있도록 발진회로부(1)와 표본화 회로부(2), 고주파 증폭 회로부(3)로 구성된 송신 신호 발생부(IC1)를 구성하고, 상기 표본화 회로부(2)와 고주파 증폭 회로부(3)의 사이에는 FO주파수 차단 회로부(4)의 입력단을 연결하고, 상기 FO주파수 차단 회로부(4)의 출력단에는 정류 회로부(5)를 통하여 정류된 DC전압에 의해 발광 다이오드(LED2)를 구동시킬 수 있도록 함을 특징으로하는 스퓨리어스를 이용한 LED 구동회로.The sampling circuit section 2 constitutes a transmission signal generating section IC 1 composed of an oscillation circuit section 1, a sampling circuit section 2, and a high frequency amplification circuit section 3 so as to output a desired transmission frequency FO to a transmission output stage. And an input terminal of the FO frequency blocking circuit section 4 are connected between the high frequency amplification circuit section 3 and a light emitting diode (DC) rectified through the rectifying circuit section 5 at the output terminal of the FO frequency blocking circuit section 4. LED driving circuit using a spurious, characterized in that to drive the LED 2 ).
KR2019870022019U 1987-12-12 1987-12-12 Driving circuit for leds used spurious KR900001894Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870022019U KR900001894Y1 (en) 1987-12-12 1987-12-12 Driving circuit for leds used spurious

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870022019U KR900001894Y1 (en) 1987-12-12 1987-12-12 Driving circuit for leds used spurious

Publications (2)

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KR890014968U KR890014968U (en) 1989-08-11
KR900001894Y1 true KR900001894Y1 (en) 1990-03-10

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KR2019870022019U KR900001894Y1 (en) 1987-12-12 1987-12-12 Driving circuit for leds used spurious

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