低值電容器 的英文怎麼說
中文拼音 [dīzhídiànróngqì]
低值電容器
英文
low value capacitor-
It is capable to lower the insertion loss by using high conductivity electrode material and increasing the electrode thickness and quality factor of bst capacitor. at the same time increasing the tunability of the dielectric constant and the length of the transmission line can increase the phase shift
通過使用高電導率的電極材料、增加電極的厚度、提高bst薄膜電容的q值可以實現器件插損的降低；增大薄膜的介電系數變化率和傳輸線長度可以增加移相度。Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals
它的加權控制電路與已報道的相關電路相比具有如下特點：電路結構簡單；製造工藝與普通cmos工藝兼容：短溝道，高寬長比的nmos晶體管具有低的通導電阻，將其作為加權、輸出器件可降低由電路引起的插入損耗；改變加權信號，可實現權值在較大范圍內的連續變化；輸入、輸出阻抗在低頻（如50mhz ）下接近50 ，而在高頻下略有偏離50 ，但反射系數均低於0 . 1 ；實現了對高頻信號的取樣、加權、控制、疊加功能的迭加。The ml converter splits voltage constraints among series - connected switches through the flying capacitors, so keeping the flying capacitor voltages at proper value is very important
該變換器利用飛跨電容使得輸入電壓在串聯的各開關管之間均分，以降低開關管的電壓應力，因此飛跨電容電壓保持在適當值是保證變換器正常工作且具有良好性能的關鍵。The clock frequency may be extended above 160khz without this error, however, by using a low value resistor in series with the integrating capacitor
利用一個串聯在積分電容器電路里的低值電阻，時鐘頻率就可能被延伸到160khz以上，而沒有這個錯誤。The ingredients limiting power capability and depress combining efficiency in the whole system have been discussed. the infection of the dimension of microstrip line to power capability of devices and the power capability of isolate resistor has been investigated in detail. a high efficiency adaptive power combining technique restraining great degradation in multi - way combining system has been introduced ; 2
文章的主要內容是: 1 .討論了功率合成系統中限制功率容量、降低合成效率的因素;詳細研究了微帶線尺寸對器件功率容量的影響，以及大功率合成系統中隔離電阻功率容量的量值;針對多路合成系統中適度惡化現象合成提出高效率的自適應合成方法。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。Our national capacitance metrology level in the low frequency range ( below 10 khz ) has reached the international advanced level. but with the development of science and technology, there exists a big difference between our national and international advanced level in the aspect of the frequency range and the capacitance range etc, especially in the aspect of the frequency range. so the capacitance metrology technology in high frequency cannot meet the need of testing for impedance metrology standards and the measurement instruments
在低頻段（ 10khz以下） ，我國電容計量水平已達到國際先進，但隨著科技的發展，在頻率范圍、量值范圍等方面與國際先進水平有較大的差距，特別是在頻率范圍方面，不能滿足進口阻抗計量標準器及其測量儀器的檢定測試要求，迫切需要在頻率范圍上進行擴展。It reduces switched capacitance by turning off transitions on a clock tree when the triggered registers do not need to change their values
當暫存器內儲存的值不需要改變時，可以藉著關閉時脈訊號的切換來降低切換電容的值。分享友人