負反饋電路 的英文怎麼說
中文拼音 [fùfǎnkuìdiànlù]
負反饋電路
英文
degenerative circuit- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 饋 : 動詞(饋贈) make a present of
- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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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。Discussion of negative feedback types in amplifier circuits
放大電路中負反饋類型的討論Constant output characteristic is performed by voltage feedback, and the dynamic characteristic control of power supply is realized by modifying the reference voltage in di / dt feedback loop
利用電壓負反饋實現所要求的平外特性。對電源動特性的控制通過改變反饋電路中的給定焊接電壓實現。By constructing the necessary condition and sufficient condition for feedback to exist in a circuit, can derive the methods of short circuit or open circuit for the load or the signal source resistance respectively of the feedback network, to analyze the configurations of the negative feedback circuits
通過構建電路存在反饋的必要條件和充要條件,可引出令反饋電路的負載和信號源內阻分別短路或開路的方法,用於分析負反饋電路的組態。The actual negative feedback amplifying circuit doesn ' t form a closed - loop only from the basic amplifying circuit and the feedback network, but forms the multi - loop system ( multi - loop negative feedback circuit ) from several basic amplifying circuits and several feedback networks
摘要實際的負反饋放大電路,並非都是由基本放大電路和反饋網路構成一個閉環系統< 1 > ,還有由多個基本放大電路和多個反饋網路構成的多環系統(多環負反饋電路) < 2 > 。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。On realization of current - mode continuous time current mirror biintegrator filters
電流模式負反饋四階高通濾波電路結構分析In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge
採用了多種負反饋迴路修正輸出波形,使得輸出電壓波形的失真度很小;並且在電路中有效利用高壓高頻電容,減小了變頻電源輸出的電壓對局部放電試驗時的干擾。Rc oscillator ’ s frequency is 1khz. the voltage reference of ic is 2. 2v, which can keep stabilization when the power supply is bigger than 2. 3v. in that case circuits can insulate yawp from power supply
在穩壓源電路設計中,採用了運算放大器負反饋的形式,使參考電壓源為2 . 2v ,並在電源大於2 . 3v時保持穩定,隔離了電源噪聲。The stability of feedback of amplifier circuit is often analyzed with bode in " simulation electron and technology " in the advanced institutes
摘要目前高等院校在模擬電子技術課程中對于負反饋放大電路穩定性進行分析時,一般採用波特圖的分析方法。Here this article describes and analyses the general charts of several multi - loop negative feedback amplifying circuits and the general formula of the " closed - loop " amplifying ( transfer function )
給出幾種多環負反饋放大電路的一般方框圖和「閉環」增益(傳輸函數)一般表達式,並淺析。Basde on further, analysis of formula d = 1 - af, this paper points out the conflict when using instantaneous limit and jadging positire and negative feedbavk byusing the depth of peedbavk, range of middle freguency of pnegative feedback amp circuit can also appear self - conflitct
摘要通過對公式d = 1 - af的進一步分析,指出用瞬時極性法與用反饋深度判定正負反饋時所出現的矛盾,說明負反饋放大電路的中頻段也會出現自激的情況。In this paper, the application of ewb simulation technology in electronic circuit course design is introduced, using negative feedback amplifier as a example
摘要以「負反饋放大器」課程設計為例,分析了ewb模擬技術在電子線路課程設計教學中應用的實施過程。By analyzing and rat testing on the current negative feedback, the voltage negative feedback and the electricity - powered loudspeaker, this paper shows that the current negative feedback can decrease the distortion of the loudspeaker, makes the frequency - response plot more smooth and improves the audio quality greatly
摘要本文通過對電流負反饋和電壓負反饋兩種電路與電動式揚聲器構成的系統進行對比分析,並進行實時分析測試,證實了電流負反饋對電動式揚聲器失真能從實質上得到改善,從而使頻響曲線更加平滑,音響系統的性能明顯提高。Next, the global system architecture is presented upon the design requirements. due to the fact that constant current is required for driving led, as a result, different from conventional current - mode converter with both output voltage and inductor current feedback loop, the proposed converter adopt dual current feedback loop that both inductor current and output current are detected to provide a stable output current for led
在整體結構設計中,與典型的電流模式採用電感電流反饋環路和輸出電壓反饋環路不同,本文針對驅動led需要電流穩定的特點,採用雙電流反饋環路,即電感電流環路和負載led電流環路,這樣就能對負載led電流做出快速響應,通過反饋環路達到穩定led電流的目的。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。This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful
本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大,工作頻帶寬,帶內增益波動小,線性度高,所以其終合設計難度大。鑒于這個原因,在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術;在實踐中精心設計電路,並且配合eda軟體模擬,最終達到所要求的指標。In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。Broadband matching is very difficult, but we can make it easier with negative feedback and balanced amplifier. so at first we should choose a project, then according to the requirement of the low noise amplifier to choose the transistor, bias and matching
寬帶匹配網路的設計是一個難點,可以採用負反饋、平衡電路等形式降低寬帶匹配的難度,所以寬帶電路的設計首先是方案設計。分享友人