利用小信号压控电流源(VCCS)电路产生所需零点,是一种先进的低压降稳压器(LDO)频率补偿方法。
Using voltage controlled current source(VCCS) to create a zero is a novel scheme for frequency compensation of LDO regulators.
这类压控晶体振荡器广泛用于无线电通讯和其它电子设备作频率源。
This kind of VCXO cover a wide variety of radio communications and other electric equipments as frequency source.
提出了将螺旋千斤顶加压的硫化器改造成液压千斤顶加压、保压的液控硫化器的改进方案。
Puts forward the hydraulic control scheme that spiral jack is reformed hydraulic jack to raise pressure and preserve pressure.
系统采用霍尔传感器和电压传感器对电压和电流采样,转化成电压信号输给压控芯片LM 231。
The Halls sensor and voltage sensor is used for sampling current and voltage in the system, and the signals are transformed into voltage signal and sent to the LM231.
本文从分析压控晶体振荡器的技术指标对铯束频标的影响出发,提出对它的技术要求。
Through analysis, technical requirements for VCXO used in the cesium atomic clock are put forward in this paper.
研制的宽频偏线性压控晶体振荡器取得了较好的结果。
A developed linear VCXO with wide frequency deviation has acquired better results.
压控晶体振荡器是原子频标的重要组成部分。
Voltage controlled crystal oscillator (VCXO) plays an important roll in the atomic frequency standard.
要使晶体振荡器的输出信号保持原子标准所固有的频率准确度和稳定度,所用压控晶体振荡器必须具有优良的性能。
The performance of VCXO must be excellent so as to maintain the inherent frequency accuracy and stability of the atomic standard.
频率响应也可以由低压微尺寸压控变容器或者变容二极管控制,并且可被例示为与天线模块共存的调谐的谐振匹配滤波器网络。
The frequency response may also be controlled by a low voltage micro sized varicap, or a varactor diode, and instantiated as a tuned, resonant matching filter network residing with the antenna module.
对井控设备如防喷器、井控管汇等和井喷后的处理技术如关井及压井方法做了简单的讨论。
For well control equipment such as the bop, well control such as the blowout and collect processing technology such as shut-in and pressure well method make a brief discussion.
首先讨论了限制压控晶体振荡器频偏扩展的原因,和扩展频偏的方法。
This paper discusses the causes for limiting the enlargement of frequency deviation of voltage controlled crystal oscillator and methods for enlarging the frequency deviation.
首先讨论了限制压控晶体振荡器频偏扩展的原因,和扩展频偏的方法。
This paper discusses the causes for limiting the enlargement of frequency deviation of voltage controlled crystal oscillator and methods for enlarging the frequency deviation.
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