voltage standard circuit 中文意思是什麼
voltage standard circuit
解釋
電壓標準電路-
Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts
從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。 -
Voltage standard circuit
電壓標準電路 -
Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out
在理論分析的基礎上，考慮實驗室現有設備的情況依據標準jb5871的規定，選用合適的試驗設備，對試驗線路的參數進行計算，在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路，利用該線路進行了數臺產品的試驗，分析了試驗結果，並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 （報批稿）關于開合線路充電電流試驗的有關規定。 -
The change would be transformed through signal processing circuit into variation of voltage and transformed into standard ma dc signal output at last, its principle see the figure
通過信號處理電路，轉換成電壓變化，最終將其轉換成標準420 ma dc信號輸出，其原理見圖： -
The circui t construct ion and the relevan t schemes of the realization of the circuit are also provided, simultaneously, the source of errors and the compensation methods are discussed. all of analysises, calculation results and simulations demonstrate that the methods presented in the paper are feasible, the algorithm is effective, the realization of circuit is simple, the procedures of the design are standard, the circuit is easy to be fabricated on a monolithic, and the system can be used for processing middle - high frequence signal and be applied in low - voltage, low - power and at high speed
在此基礎上，本文首次提出了一種基於狀態空間對數域濾波器的一維連續小波變換實現方法、結構以及相關模塊電路實現的策略，並對該方法的誤差來源與補償措施進行了討論。論文中的理論分析與計算以及模擬結果表明，用對數域狀態空間濾波器實現一維連續小波變換的方法可行，演算法簡單、有效，電路實現簡單，設汁過程規整，易於單片集成，適合處理中、高頻信號並運用於低電壓、低功耗、高速的場合。 -
Standard for metal - enclosed low - voltage power circuit breaker switchgear - amendment 1 : short - time and short - circuit withstand current tests ; minimum areas for multiple cable connections
金屬殼密封的低壓電力線路斷路器開關設備標準.修改1 :短時間和短路可耐電流測試;多電纜連接的最小區域 -
High voltage drift drain mosfets ( dddmos ) are nowadays widely applied in circuits of power management, i / o interface, lcd drivers and etc. however, up to now a lack of a standard and accurate dddmos current model still brings much trouble in the circuit design
近年來，高壓雙擴散漏器件dddmos （ driftdrainmosfet ）以其優良的性能被廣泛地應用於電源管理、輸入輸出介面、 lcd驅動等電路中。然而，目前在業界缺少標準和準確的dddmos電流模型，給電路設計者帶來困難。 -
However, to the design of analog circuit, it is a challenge when its supply voltage is low o now the typical supply voltage of analog circuit is about 2. 5 - 3 v, but the trend suggests it will be 1. 5 v, even much lower. under this condition, great effort of research members domestic and abroad is devoted to the design of low - voltage circuit structure with standard cmos processes in the analog ic, one of the typical circuits is operational amplifier, and many analog circuits can use it.
然而，電源電壓的下降對模擬電路的設計是一個挑戰。如今模擬電路的典型電源電壓大約是2 . 5 3伏，但是發展的趨勢表明電源電壓將是1 . 5伏，甚至更低。在這種情況下，國內外研究人員的很多精力花在設計適用於標準cmos工藝的低壓電路結構。 -
Choosing a lot of stable original parts, strictly follow the national security product standard. f7 is suitable for the entrances and exits of office, factory, hotel, school, etc. all input output are using anti - jamming protection and over - voltage circuit protection
產品介紹f7是中控科技推出針對辦公環境的普及指紋門禁，採用大量可靠穩定的進口元器件，設計上嚴格遵循國家安全防範產品標準，出廠經過嚴格的老化測試。
分享友人