单片机红外遥控外文翻译

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1、 毕业设计 (论文 ) 外文翻译 专 业 ： 电气工程及其自动化 姓 名： 曲雪 班 级： 电自 0841 学 号： 10 号 指导教师 : 刘君义 职 称： 教 授 2012 年 5 月 外文翻译 1 Infrared Remote And Chips Are Introduced Peoples eyes can see the visible wavelength from long to short according to the arrangement, in order to red, orange, yellow, green, green, blue, violet. One

2、 of the red wavelengths for 0.62 0.76 mount, Purple is 0.38 wavelength range mount. Purple is shorter than the wavelength of light called ultraviolet ray, red wavelengths of light is longer than that of infrared light. Infrared remote control is to use wavelength for 0.76 1.5 mount between the near

3、infrared to transfer control signal. Commonly used infrared remote control system of general points transmit and receive two parts. The main component part for the launch of infrared light emitting diode. It is actually a special light emitting diode, due to its internal material differs from ordina

4、ry light emitting diode, resulting in its ends on certain voltage, it is a rather infrared light. Use of infrared light emitting diode the infrared wavelengths, for 940nm appearance and ordinary, just the same light emitting diode five different colors. Infrared light emitting diode generally have b

5、lack and blue, transparent three colors. Judgment of infrared light emitting diode and judgment method, using a millimeter to ordinary diode electric block measure of infrared light emitting diode, reverse resistance. The infrared light emitting diode luminescence efficiency to use special instrumen

6、t to measure precise, and use only spare conditions to pull away from roughly judgment. Receiving part of infrared receiving tube is a photosensitive diode. In actual application of it receiving diode to reverse bias, it 外文翻译 2 can work normally, i.e., the infrared receiving circuit application in d

7、iode is used to reverse, higher sensitivity. Infrared receiving diode usually have two round and rectangular. Due to the power of infrared light emitting diode (or less commonly 100mW), so ir receiving diode received signals is weak, so will increase high-gain ones.the amplifier circuit. In common C

8、X20106A, etc. PC1373H moon infrared receiving special amplifier circuit. In recent years both amateur or formal products, mostly using infrared receiving head finished. The head of infrared receiving product packages generally has two kinds: one kind USES sheet shielding, A kind of plastic packaging

9、. There are three pin, namely the power is (VDD), power negative (GND) and data output (VO or OUT). Infrared receiving head foot arrangement for types varied, manufacturers instructions. Finished the advantages of infrared receiving head is not in need of sophisticated debugging and shell screen, us

10、e rise as a transistor, very convenient. But when used in the infrared receiving attention finished first carrier frequency. Infrared remote common carrier frequency for 38kHz, this is transmitted by using 455kHz Tao Zhen to decide. At the launch of crystals were integer frequency, frequency coeffic

11、ients, so commonly 12, so 455kHz 12 hundredth kHz 38kHz hundredth 379,000. Some remote control system adopts 36kHz, 56kHz, etc. general 40kHz launched by the crystals of oscillation frequency to decide. Infrared remote characteristic is not influence the surrounding environment and does not interfere with other electric equipment.