放大器並聯 的英文怎麼說
中文拼音 [fàngdàqìbànglián]
放大器並聯
英文
bridle- 放 : releaseset freelet go
- 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
- 並 : 併名詞1. (山西太原的別稱) another name for taiyuan (in shanxi province)2. (姓氏) a surname
- 聯 : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
- 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
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In the forth chapter the series negative feedback and interstage mismatching are presentation, and a low noise amplifier whose operating frequency is 1. 5ghz 1. 8ghz is developed
第四章詳細介紹了源極串聯負反饋和級間失配法,並設計和製作了1 . 5ghz 1 . 8ghz低噪聲放大器。The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified
據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。The inner loop is equivalent to a controlled current source, so the inverter is easy to parallel with others
系統的內環等效於一個受控電流放大器,便於與其他逆變器的並聯運行。Research of the negative feedback amplifier experiment in the current combination
電流並聯負反饋放大器實驗的研究Ecg monitor module included signal collection channel and related data processing based on mcu. the signal collection channel which adopted high performance integration instrument amplifier was designed according to the features of ecg signal. msp430f149 mcu was used in controlling lead - switch, state - switch and the a / d conversion
根據心電信號特徵,使用儀表放大器設計了高指標的心電信號採集通道,由msp430f149單片機進行控制,可選擇多導聯切換檢測,以及切換工作模式,並對模擬信號進行a / d轉換。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。In the fifth chapter the shunt negative feedback is presented, and a low noise amplifier whose operating frequency is 0. 2ghz 2ghz is developed
第五章分析了漏極並聯負反饋在寬帶低噪聲放大器設計中的作用和原理,並設計、製作了0 . 2ghz 2ghz低噪聲放大器。In the design and debugging process we found that two different caps with parallel connection may make the amplifier instability. with the analyses of the nonideal cap molding we found that the response curve of two different caps with parallel connection has a saltation whose impedance is infinity and at this pot the amplifier is easy to oscillate. than some suggestion of the use of cap in amplifier design is presented
在放大器的設計、調試過程中發現兩個不同容值的電容並聯會帶來電路的潛在不穩定,對實際電容,即帶有寄生電感和寄生電阻的電容,建模、分析后發現,不同容值的電容直接並聯其響應曲線會有一個阻抗值為無窮大的突變點,該突變點可能會引起電路的自激。Computer control unit produces the trigger pulses for the fast switching thyristors. fast switching thyristors are connected in parallels in order to meet the capacitance requirement of the circuit. trigger pulses produced by computer are amplified and isolated by three pulse transformers
設計三級脈沖變壓器來隔離和放大計算機產生的觸發脈沖,得到強觸發信號滿足了多個快速晶閘管並聯觸發的功率要求以及系統的抗反擊電壓的要求。The chip is accomplished in the full cooperation with other team members, the author pays particular attention to the analysis of the whole chip architecture and three sub - block design : transconductance amplifier ( ota ), voltage reference and current reference. based on existed technologies, a new high order temperature compensated voltage reference and a creative current reference with high order temperature compensation are shown respectively. the author simulated all the sub - block and whole chip by hspice
該晶元的設計是由小組成員共同完成,本人主要負責了總體電路的分析、聯合模擬驗證及以下三個子電路的設計: 1 、跨導放大器,詳細分析了bandgap跨導放大器輸入級的動靜態特性及其優缺點,並結合系統要求,設計了一種與cmos工藝相兼容、可替代bandgap跨導放大器的低壓共源共柵跨導放大器。Similarly to other methods for smart rotor, the most important and difficult problem is the design of the actuator. first, the piezoelectric smart material has been studied and an actuator with piezoelectric stack has been proposed in the mode of parallel connection in electrics and series - wound in mechanics according to the property of the piezoelectric porcelain. second, a 2 - x actuator has been designed with the piezoelectric stack active part according to the triangle theory
本文首先對壓電智能材料進行研究,根據壓電陶瓷的特點,採用電學並聯、力學串聯的設計模式,提出一種壓電堆主動驅動部件,在此基礎上,根據三角形放大原理,設計了推挽式雙x放大機構,並將壓電堆主動件應用於推挽式雙x機構,形成了推挽式雙x驅動器。One harmonic analytics deducted from matlab fft was worked out to set up analysis system with modern communication network. the paper ticked off a lot of examples on harmonic value of paralleled capacitor in different seasons and operation modes, especially, the modification and resonance from system harmonic because the capacitor put into the network. and the technical measures finalized to treat and restrain harmonic
例舉有關的實測數據,對部分典型大型用戶和變電站無功補償並聯電容器組在不同季節和不同運行方式下的產生的有關諧波值進行比對研究,尤其對系統諧波因電容器組的投入產生的放大問題、諧波有可能引起的系統諧振問題進行了比較深入的分析,有針對性的提出諧波治理和抑制的有關技術措施。High voltage shunt capacitor installation is comprised of assembling capacitor, high voltage vacuum or sf6 switch, serial reactor, zno arrestor and discharge device. because of its simple structure, small cubage, high output,
由集合式並聯電容器和高壓真空或六氟化硫斷路器串聯電抗器氧化鋅避雷器及放電線圈等設備組成的高壓並聯電容器成套裝置,具有裝置結構簡單體積小容量大佔地省In this paper, the traditional cascode structure of cmos lna is considered as a two - stage amplifier and inter - stage matching network is introduced accordingly
本文也對cmos低噪聲放大器進行了分析,將傳統共源共柵結構看作二級放大器級聯形式,並由此引入級間匹配網路。This type of capacitor has an assembling full - sealed structure, and it is comprised of capacitor unit body, contain - er, insulation cooling impregnant, outlet ceramic bushing, pressure - releasing valve and temperature controller etc. the internal insulation cooling impregnant is isolated from external atmosphere so as to avoid aging of impregnant and ingress of moisture
全密封集合式並聯電容器主要由電容器單元組成的器身波紋油箱絕緣冷卻油出線套管支持絕緣子壓力釋放閥及溫度控制器等部件構成。採用波紋油箱增大散熱面積降低產品溫升。In the system, the rotate speed sensor and torque sensor are fixed between the engine power output shaft of yanmar combine harvester and the power input shaft of working device. the signals of torque and rotate speed are preprocessed such as v / f, amplified. and the power is computed
該系統在洋馬聯合收割機的發動機動力輸出與工作裝置的動力輸入軸之間安裝了轉速和扭矩傳感器,對轉速和扭矩傳感器的輸出信號進行v f轉換、放大等預處理,並計算出功率值。Analysis on harmonic amplification of parallel compensating condenser
並聯補償電容器的諧波放大問題分析We decide to use seven - sections coupled - line filter after comparing the various filter circuits, and complete the quantitative analysis and optimization design by ads, hfss etc. ( 2 ) three - stages fet low noise amplifier according to the lna ’ s design theory and guide line, we decide to use ne3210s01 fet and choose the form of three - stages, thus we can achieve high stability, low noise and high gain
通過對各種帶通濾波器電路方案進行比較,確定採用七階平行耦合微帶濾波器,並利用ads , hfss等工具進行了定量的理論分析和優化設計。 (二)三級聯低噪聲放大器根據微波lna設計原理及指標要求,我們選用ne3210s01系列低噪聲管,並採用三級放大的形式,以期獲得高穩定性,低噪聲,高增益。分享友人