晶片電阻器 的英文怎麼說

中文拼音 [jīngpiāndiànzǔqì]
晶片電阻器 英文
chiresistor
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 片 : 片構詞成分。
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 晶片 : chip; crystal plate; wafer
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  1. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。
  2. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  3. So in one hand it requires the wafer ' s diameter to be more large in order to enhance the productivity, and on the other hand it puts forward more strict requirement about the crystal perfection and electricity character. especially the electronic character and the equality of micro - area in the crystal wafer has become the key factor to determine whether the device can be made on it or not. so the resistivity measurement of micro - area become one most important procedure in the chip machining. to ensure the produce quality of chip and the perfect performance of final production, the four - probe testing technology need to be deeply studied

    圖形日益微細化，電路尺寸不斷縮小，目前ic製造以8英寸、 0 . 13 m為主，預計在2007年左右將以12英寸、 65nm為主，這一方面要求圓片直徑不斷增大以提高生產率，另一方面對晶體的完美性、機械及電特性也提出了更為嚴格的要求。特別是微區的電學特性及其均勻性已經成為決定將來器件性能優劣的關鍵因素。因此，微區電阻率的測試成為晶元加工之中的重要工序。
  4. Single choke be used, 1 diode ( or 2 diodes ), 4 transistors and 1 resister are necessary. dj3033 support el1 and el2 output pins to control 2 el to flash

    5v ，使用單一抗流器、 1個二極體（或2個二極體） 、 4個電晶體和1個電阻是必要的， dj3033 - 1支援el1和el2輸出腳位來控制2片el閃爍。
  5. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。
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