error n. 1.錯誤;失錯。 2.謬見,誤想;誤信;誤解。 3.罪過。 4.【數(shù)學】誤差;【法律】誤審,違法;(棒球中的)錯打。 commit [make] an error 犯[出]錯。 correct errors 改正錯誤。 a clerk's [clerical] error 筆誤。 mean errors 標準誤差。 a writ of error 【法律】(推翻錯誤原判的)再審命令。 nature's error 天生畸形。 in error 弄錯了的;錯誤地。 errors of commission [omission] 違犯[疏忽]罪。 fall into error 誤入歧途。 nature's error 天生畸形。 adj. -less 無錯誤的,正確的。
A novel error amplifier with initial voltage reference for series voltage regulator 串聯(lián)穩(wěn)壓器基準誤差放大電路的設(shè)計
In order to design the parameter of error amplifier , the small signal model is derived for arc welding inverter using state - space averaging , and frequency - domain analysis is performed to complete the parameter design 為了設(shè)計控制系統(tǒng)中誤差放大器的參數(shù),利用狀態(tài)空間平均法建立了電源系統(tǒng)的低頻小信號數(shù)學模型,進而利用控制理論中的頻域分析法設(shè)計了系統(tǒng)的補償網(wǎng)絡(luò),即誤差放大器的參數(shù)。
The whole circuit consists of a multiplier , an error amplifier , a comparator , a rs flip - flop , an and gate , and an inverter , etc . . the electronic circuit simulator cadence is utilized to practice the detailed functional simulation of the general circuit and the subsystem circuits 整個電路由模擬乘法器、誤差放大器、比較器、 rs觸發(fā)器、與門和倒相器等基本單元電路組成,采用工作站上的大型ic設(shè)計軟件cadence進行仿真。
In meantime , the all sub - circuits are also designed and emulated carefully including error amplifier , voltage reference circuit , voltage comparator , rs type flip - flop , soft - start circuit , sawtooth - wave generator , pwm comparator , current added circuit and so on 其次對控制器內(nèi)部芯片的各個模塊誤差放大電器、自舉電流電路、電壓基準源、電流求和電路、 rs觸發(fā)器和驅(qū)動電路等模塊進行了具體的設(shè)計和仿真的邏輯功能做了解釋。
Some sub - block circuits ( error amplifier , soft - start , enable comparator and under - voltage protection circuit ) are designed and several electrical characteristics are simulated using hspice . finally , the whole chip performance is simulated . and the results show the satisfaction to both function targets and characteristics 在子電路設(shè)計中,本論文只對其中的誤差放大器、軟啟動電路、使能比較器和欠壓保護四個子電路進行了電路原理分析與設(shè)計,并在此基礎(chǔ)上,運用eda軟件hspice對各功能模塊的各項指標、參數(shù)進行了仿真、分析。
In the thesis , some of the most important functional modules of the pwm power control ics are designed and simulated , including error amplifier , voltage reference , voltage regulator , comparator , and oscillator . the topologies , schematics and layouts of some circuits are introduced and developed 本畢業(yè)設(shè)計研究和提出了構(gòu)成pwm電源控制芯片的主要功能模塊,設(shè)計了其中主要模塊ip核的多種結(jié)構(gòu)電路并進行了仿真,完成了部分電路的版圖設(shè)計? ?包括誤差放大器,基準電壓源,電壓調(diào)節(jié)器,比較器,振蕩器等。
And then , based on the above theories , the circuit design and simulation means have been concretely applied in the internal modules of voltage reference , bias circuit , oscillator , error amplifier and drive circuit of the chip and so on . the relevant design indexes are successfully achieved . at last , the whole circuit simulation and layout design are completed 在此理論基礎(chǔ)上對該電源芯片內(nèi)部的各個模塊,如電壓基準源、偏置電路、振蕩器、誤差放大電路和驅(qū)動電路等模塊進行了具體的電路設(shè)計和分析仿真,且達到了相應地設(shè)計指標,最后,完成了整體電路仿真和版圖設(shè)計。
Subcircuit models are designed and simulated , which includes bias current source , voltage reference , error amplifier , pwm comparator , driver circuit , protection circuits for over - temperature , over - current . at last , combined with periphery component , the circuit is simulated , and the result meets the anticipant requirement 并對集成電路內(nèi)的各個模塊包括電流偏置電路、基準電壓電路、誤差放大電路、三角波振蕩發(fā)生電路、 pwm比較電路、驅(qū)動電路、過熱保護電路和過流保護等進行了具體的設(shè)計和仿真,并對整體應用電路進行了仿真,結(jié)果均達到了預先設(shè)定的指標。
In the meantime , the all sub - circuits are also designed and emulated carefully including inverter , rs type flip - flop , voltage reference circuit , error amplifier , voltage comparator , sawtooth - wave generator , pwm comparator , soft activation circuit and so on . as a result , all of the sub - circuits answer the requirements . this chip has taped out with the 0 . 5um mix - signal process of csmc 本文利用cadenceeda集成電路設(shè)計工具、 spectres仿真工具,對集成電路內(nèi)的各個模塊包括反相器、基本rs觸發(fā)器、基準電壓電路、誤差放大電路、電壓比較電路、鋸齒波振蕩發(fā)生電路、 pwm比較電路、軟啟動電路、驅(qū)動電路等進行了具體的設(shè)計和仿真,且達到了預先設(shè)定的指標。
The synchronous rectifying and low power sampling technology is used to reduce the power consumption , flexible external loop compensation , error amplifier output clamp are adopted for better system large signal response . the piecewise slope compensation technology is employed to minimize the consequence of over compensation . the sensor resistor is externally connected , which realize output voltage programmable . the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system 同時,電路設(shè)計采用同步整流技術(shù)、低功耗電流采樣技術(shù)降低功耗,提高轉(zhuǎn)換效率;采用靈活的外部環(huán)路補償技術(shù)、誤差放大器輸出嵌位技術(shù)以實現(xiàn)良好大信號特性;采用分段斜坡補償技術(shù),消除不穩(wěn)定因素,并最大程度地減小過補償帶來的問題;采用外接輸出采樣電阻的方式,實現(xiàn)輸出電壓的可編程。