current feedback circuit 中文意思是什麼
current feedback circuit
解釋
電流反饋電路-
Design of sinusoidal oscillator circuit based on current feedback amplifier
的正弦振蕩電路設計 -
Current feedback circuit
電流反饋電路 -
Designed the dual - loop control circuit based on optimized psm, which realize to select the suitable duty ratio to make output stable by utilizing voltage and current feedback loops
3 ）設計基於優化psm調制模式的雙環控制電路。採用電壓、電流雙環路控制，根據負載情況選擇合適占空比來實現穩壓。 -
By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability
然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點，確定了電流密度比補償型共源共柵結構作為本設計核心電路結構，運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路，改善了核心電路的帶負載能力和電流驅動能力。 -
The final control circuit adopts power mosfet as current control device, which uses the principle of negative feedback to adjust and stabilize output current
末級電路採用功率mosfet作電流控制元件，運用負反饋原理穩定輸出電流。 -
According to the different sample electricity from the output loop of the circuit by the feedback network and the different ways of connection between the input loop of the circuit and the feedback network, can divide the configurations of alternate negative feedback circuit into four kinds : voltage series, voltage parallel, current series and current parallel
摘要根據反饋網路從電路輸出迴路的不同取樣電量和在輸入迴路的不同連接方式，可把交流負反饋電路的組態分為電壓串聯、電壓並聯、電流串聯和電流並聯4種。 -
Also, we select the signal collecting circuit of three output polars, the coupling circuit using capacitance and resistance, the alternating amplify processing circuit, the positive feedback retardation comparsion, the driving circuit of output current and the stabilization voltage supply circuit
選擇了insb磁阻三端輸出型信號採集電路，阻容耦合型交流放大電路，正反饋遲滯型電壓比較器和大電流推挽驅動電路及穩壓電源電路。 -
We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy
並對系統主電路的元器件參數進行了詳細的計算；設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路；採用了模糊邏輯與鎖相環相結合的控制技術，提高了電源的啟動成功率；採用電流、電壓雙閉環反饋方案，採用槽路電容電壓和槽路電流作為反饋信號，從而保證了電源功率的輸出精度。 -
The current in the dac ’ s output can drive the load, and the structure can save a buffer consisted of operational amplifier, so the structure can achieve high speed with no close - loop and feedback in this circuit
該10位分段式電流舵型數模轉換器的輸出端可直接用電流輸出來驅動負載阻抗，省去運算放大器構成的輸出緩沖，整個電路中沒有形成閉環和反饋，因此這種電路結構可以達到很高的速度。 -
The paper studies the theoretics and synthesis of current feedback operational amplifier ( also called transirapedance operational amplifier, for short cfoa ) and cfoa - c filter circuit, introduces the present state of the research of analogy integrated circuit
本文研究電流反饋運算放大器（又稱跨阻運算放大器，簡稱cfoa ）及其濾波器電路的原理和設計。 -
Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used
硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上，軟體採用匯編語言編程，實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖， pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。 -
In this paper, basic circuit models of cc - current mirror and active impedance are analysed and a new active feedback current mirror is proposed which can achieve larger output impedance, higher current transfer precision, lower power and wider signal dynamic swing
系統地分析了電流傳送器的組成模塊? ?電流鏡和有源電阻，同時提出了一種改進型有源反饋電流鏡電路。該電路能大大提高輸出電阻，同時能保持原電路的電流轉換高精度、低功耗、更寬更良好的輸出電壓動態范圍。 -
In the fourth chapter, a fourth - order chebyshev low - pass filter employs new low voltage, highly linear, wide inputting range transconductor is proposed, then we presents a new circuit to tune gm value of transconductor accurately, which employs a new switched - capacitor circuit to change the bias current of transconductor, a third order elliptical function low - pass filter with accurate tunable frequency has been designed using transconductor that is not only with voltage common - mode negative feedback, but also with varying bias - triode transistors which can improve the linearity of this circuit
第四章：提出了一種新的低電壓、高線性度、寬輸入范圍跨導，並由此設計實現了四階切比雪夫（ chebyshev ）低通濾波器，接著提出了一種寬輸入范圍且具有電壓共模負反饋的全差分跨導，並採用一種新的開關電容電路實現跨導值gm精確可調，從而可以設計得到高性能具有精確截止頻率的跨導-電容三階橢圓函數濾波器。 -
At last a controller of a 4 - phase 8 / 6 - pole srm was developed based on tms320lf2407 dsp, which makes full use of the abundant resources of dsp, adopts ipm as the power switch and designs a new power topology for a 4 - phase srm. the current feedback circuit, position sensor and fault protection
論文最後實現了四相電機控制器的設計，採用專用的dsp電機控制晶元，充分利用此晶元的資源設計出一種基於智能功率模塊ipm的四相電機的功率驅動電路，並對位置檢測、電流檢測等外圍電路進行了設計，對系統進行了軟體的分析和編程實現。 -
Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of current mode ac - ac mode ac / ac converters with high frequency link are investigated. the output characteristic curve and the design for the key circuit parameters are given
以單四象限功率開關式拓撲為例，分析研究了電流源交?交型高頻環節ac ac變換器的工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的關鍵電路參數的設計準則和變換器的外特性曲線。 -
Experimental data shows us that the system has a perfect structure, because it adopts some means such as the dual protection of the over current signal and current cut - off feedback circuit, so the system has a good stability and reliability
實驗結果表明，系統結構完善，採用過流信號的雙重保護和電流截止負反饋等措施后，使系統運行穩定，可靠性提高。 -
Due to the charge sharing and charge leakage phenomena in the traditional charge - pump, a new charge - pump with current control technique is designed in this thesis. in the circuit design, a simple positive feedback is employed to expedite the switching speed. the simulation results show that the charge sharing and charge leakage phenomena can be effectively prohibited in the proposed charge - pump
2 .針對傳統電荷泵中存在電荷泄漏和電荷共享現象，設計出了一種採用電流控制技術的新型電荷泵，電路中巧妙地運用了一個簡單的正反饋，以加快開關速度，模擬結果表明，所設計的電荷泵能有效的抑制了電荷泄漏和電荷共享現象。 -
In this paper, the reason of treating current as feedback is analyzed with circuit theory, the system of ultrasonic generator controlled with a single - chip computer and the realization methods of frequency tracking and amplitude stabilizing are introduced, the software of adaptive tracking and pid are completed
本文用電路理論分析了電流作了反饋控制量的理論依據，介紹了發生器的結構、頻率跟蹤和恆幅輸出的實現方法，完成了變步長頻率跟蹤和pid恆幅控制的軟體設計。
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