本文介绍了超高频电容式水分传感器的设计和工作原理。
Working principle and designing of a super high frequency capacitance sensor are introduced in this article.
用单位增益缓冲器构成的开关电容滤波器(SCF),若能消除寄生电容引起的“阻性”寄生,则可用于高频设计,总寄生灵敏度会因此大大降低。
The unity gain buffer will be good for designing high frequency SCF if its resistive effect can be eliminated and then the overall parasitic sensitivity will be greatly lowered.
在高频电路中,有时用到电容耦合回路,其调谐特性和频率特性与耦合系数直接相关。
The capacitor coupling circuits are applied in the high frequency circuit. It concern the coupling coefficient that the resonance property and frequency property.
建立了一种具有最小电流峰值的电容输出滤波高频高压并联谐振变流器分析设计方法。
A method of the high voltage and high frequency parallel resonant converter with capacitive output filter which has the minimal peak input current is introduced.
电容的微小变化可通过对高频谐振回路调制的方法进行测量。
Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。
Capacihve moisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge circuit, dispart frequency instrument and metal shield box.
研究了两种去极化剂对液体钽电容器高频电性能的影响。
In this paper, the influence of two depolarizers on high-frequency electrical performance of wet tantalum capacitors is studied.
电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。
Capacihve meisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge cirouit, dispart frequency instrument and metal shield box.
所以本文提出了采用FDTD法计算散热片与器件间的高频耦合电容的构想。
In this paper the coupling capacitance between the heatsink and the devices is calculated by FDTD method.
然后建立了电阻、电容、电感、二极管、三极管、变压器和印刷线路板的高频模型,并提取模型参数。
This paper established the high-frequency models of resistors, capacitors, inductors, diodes and transistors, and extracted the high frequency distribution parameters of printed circuit board.
环保电解电容,质量保证,高频和低频电容,厂家直销,价格优惠。
Electrolytic Capacitor environmental, quality assurance, high-frequency and low frequency capacitance, factory outlets, discount prices.
半导体放电管是新一代抗浪涌保护器件,极间电容是其应用到高频环境下的一个限制因素。
Semiconductor arrester is a new type of surge protection device, which, however, has a large interelectrode capacitance, thus limiting its application in high frequency systems.
本文利用高压支承变压器高频载波下付边电感与负载电容的谐振特性,设计并研制了有源谐振的ESS。
In the palper, with resonance between the secondary coil of suspension transforMer and capacitance load the active ESS has been developed.
钽电解电容器具有阻抗低、漏电流小、高频特性好、可靠性高等特点,而耐久性试验是对电容器产品综合性能最严峻的考验。
The endurance test is a rigorous test for the total performace of a tantalum electrolytic caparitor due to its low impedance, small leakage, high frequency charateristics and high reliability.
一旦采用有源滤波电路,钽电容器将面临高压和高频性能的严峻考验。
If active filter circuit is adopted, wet tantalum capacitor will face test of high voltage and high frequency.
高频匹配网路主要采取集中参数低通形式,串联部分电感、电容参加匹配,并联部分对地电容参加匹配。
The high frequency matching network mainly used lumped element lowpass network, including the series capacitance , series inductance and shunt grounded capacitance.
高频匹配网络主要采取集中参数低通形式,串联部分电感、电容参加匹配,并联部分对地电容参加匹配。
The high frequency matching network mainly used lumped element lowpass network, including the series capacitance, series inductance and shunt grounded capacitance.
超高电压+超高频率+超高脉冲:就选美志电容。
Ultra high voltage + Ultra high frequency + Ultra high pulse: Please choose Amazing Capacitor.
本发明属于高频加热设备领域,尤其涉及一种LC耦合电路的电容。
The invention belongs to a high-frequency heating device, in particular relating to capacitors of an LC coupled circuit.
在高频、高电压环境下的抗脉冲能力强,替代铝电解电容器有良好的前景。
In the high-frequency, high-voltage environment it has a good anti-pulse capability, and has good prospects of replacing electrolytic capacitors.
这种设计去除了通常在开关电源附近的大滤波电容,因为没有必要对LED电流的高频谐波进行平滑处理。
The design eliminates the use of the large-valued filter capacitors you usually find in a switching regulator, because there is no need to smooth out high-frequency ripple in the LED current.
研究了两种去极化剂对液体钽电容器高频电性能的影响。
Influence of two depolarizing agents on the electrical performance of wet tantalum capacitors is studied in this paper.
本发明所得电解液可使铝电解电容器获得高频低阻抗、耐热性好、耐压高、耐高纹波电流冲击、长寿命等优点。
Advantages are: high frequency and low impedance, good heat endurance, high withstand voltage, impulsion resistance of high ripple current, and long service life etc.
重点讨论MOSFET的高频寄生参数,包括栅电阻、衬底电阻、寄生电容等。
The high frequency parasitic effect of MOSFET is emphasis on, included gate resistance, substrate resistance, and parasitic capacitance.
特点:在一定温度范围内电容量温度系数小,接近于聚碳酸脂介质,高频损耗小,体积小,重量轻,绝缘电。
Features: temperature coefficient of capacitance at a certain temperature range is small and similar to polycarbonate. Low loss at high frequency. Small size. light weight. High insulation.
本套设备尤其适合于高频焊管生产线上进行焊缝的补锌及电容喷涂。
Specially suitable for zinc patching of weld seam in tube welding line, and capacitor spray.
外径测试、偏心测定、高频火花、电容测试等均采用英国BETA公司的高精度仪 器;
D. meter, centrifugal tester, H. F. Spark tester, capacitance tester provided by UK BETA Co.
该电容DC缓冲器用作高频去耦单元,并且由对应的电容器形成。
The capacitive DC buffer serves as a high frequency decoupling unit and is formed by a corresponding capacitor.
高频扼流圈是一段未闭合的铜,和其终端等效的边缘电容形成一个低通滤波器,可以有效地滤除馈入信号中的高频成分。
It acts as the LPF, effectively eliminating the high frequency component in the feed-in signal. The groove in the central region working as a loading capacitance in the open end is also discussed.
高频扼流圈是一段未闭合的铜,和其终端等效的边缘电容形成一个低通滤波器,可以有效地滤除馈入信号中的高频成分。
It acts as the LPF, effectively eliminating the high frequency component in the feed-in signal. The groove in the central region working as a loading capacitance in the open end is also discussed.
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