晶体振荡器
- 网络Crystal oscillator;TCXO;OSC;SPXO
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一种温度补偿晶体振荡器芯片的设计
Design of TCXO Chip
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电子手表中CMOS晶体振荡器的起振电压
The turn-on voltage of CMOS crystal oscillator in electronic wrist watch
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基于GPS锁定高稳晶体振荡器技术的研究
Research of Techniques to Lock High-stability Crystal Oscillators Based on GPS
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GPS锁定晶体振荡器的数据处理方法研究
Research on Data Processing Method of GPS Disciplined VCXO
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基于GPS与北斗双模授时的压控晶振校频系统的研究与设计可控电压晶体振荡器
Research on Voltage-controlled Crystal Oscillator Calibration based on GPS & BD Double Time Service
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电手表中CMOS晶体振荡器的频率温度补偿
Frequency temperature compensation of CMOS crystal controlled oscillator in electronic watches
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对基于GPS锁定高稳晶体振荡器的技术要点进行了研究。
Some practical techniques to lock High-stability crystal oscillators based on GPS are given in the paper .
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CMOS石英晶体振荡器的设计与实现
Design and Realization of a CMOS Quartz Crystal Oscillator
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光纤通信SDH系统用石英晶体振荡器的研制
The Development of the Quartz Crystal Oscillator in SDH Fiber Communication System
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用于SDH的38.88MHz压控石英晶体振荡器的研制
The Research and Manufacture of 38.88 MHz Voltage Controlled Quartz Oscillator in SDH
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ADC的孔径抖动必需尽可能的小,而且要使用低相位噪声的石英晶体振荡器作为采样时钟发生器。
The ADC aperture jitter must be minimal , and the sampling clock generated from a low phase-noise quartz crystal oscillator .
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最后,本文介绍共岛MOS电容器在晶体振荡器集成化中应用的满意结果。
Last , we present the satisfactory results obtained when the common island MOS capacitor is applied to crystal oscillator integration .
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最后,适当调整PID参数,装配恒温晶体振荡器,对结果进行了测试和分析,最终实验结果表明,在应用新型控温电路,并采取单层恒温槽控温的情况下,其频率稳定度可以达到10-8量级。
At last , we test and analyze the results of OCXO . The experiment shows the frequency stability can reach 10-8 based the new temperature control circuit and single oven structure .
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基于提高有载Q的120MHz低相噪晶体振荡器设计
Design of 120 MHz Low Phase Noise Crystal Oscillator Based on Improving the Loaded Q
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基于Leeson模型的晶体振荡器相位噪声研究
Research on Phase Noise of Crystal Oscillator Based on Leeson Model
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给出了温补晶体振荡器(TCXO)热敏补偿网络优化设计的一种MonteCarlo法。
A reformed Monte Carlo method is presented in this paper for thermal sensitive compensation networks optimal design of temperature compensation crystal oscillators ( TCXO ) .
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在上海天文台BPV标频和时间信号的发播工作中,使用了高精度石英晶体振荡器。
High precision quartz oscillators were used for the transmission of BPV standard frequency and time signals at Shanghai Observatory .
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100MHz低噪声恒温石英晶体振荡器研制
Development of 100 MHz Low-Phase-Noise Oven Crystal Oscillator
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叙述了有源低通滤波和压控晶体振荡器工作原理,提出了降低CCD相机锁相环噪声的一些措施。
At the same time , the operation principles of the active low pass filter and the voltage controlled XTAL oscillator are explained , and the measures to improve the PLL noise performance of the CCD camera are proposed .
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介绍一种主要用于AT切微机补偿晶体振荡器(MCXO)的开发系统。
MCXO Development system used mainly for MCXO based on AT cut crystals is described .
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高精度的时钟源是由74HC04构成的晶体振荡器;
The precise clock source is crystal oscillator made of 74HC04 ;
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论文最后给出了实验结果,通过实验调试,VCXO的准确度达1.5×10-11,接近或达到国内外各种GPS控制晶体振荡器的水平。
At the end of the paper , the experiment data , which achieve 1.5 × 10-11 precision and generally reach the level of the same type products both here and abroad , are provided .
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PD雷达频率综合器往往采用恒温晶体振荡器(OCXO)来实现高稳定度的性能,但OCXO的温升过程中存在输出信号频率慢漂的现象,其温升过程在低温条件下开机大约持续5~10min。
Oven controlled crystal oscillators are used widely in PD radars for high stability , but there are frequency shift during the warm-up time which is about 5 to 10 minutes .
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介绍了一种基于EWB软件设计电子钟的方法,系统由石英晶体振荡器、分频器、计数器、译码电路、LED显示电路、校时电路、整点报时电路组成。
The paper introduces a method of digital electronic clock design based on EWB and the system is made up by silicon crystal oscillator , frequency divider , number counter , decoder circuit , LED display circuit , calibrated circuit , chirping circuit .
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在TCXO中,微处理机补偿晶体振荡器(MTCXO)是一种比较新型的数字式温度补偿晶体振荡器。
Of TCXO , Microprocessor temperature compensated crystal oscillator ( MTCXO ) is a comparatively new-type digital compensated crystal oscillator .
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本文应用了新的模拟温度补偿方法研制了一种ATCXO(模拟温度补偿晶体振荡器)并给出了补偿结果。
We developed ATCXO ( analogy Temperature-Compensated Crystal Oscillator ) using a new ATC-method and showed the compensated result in the paper .
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然后对组成大气波导测量系统的各个电路单元,如晶体振荡器、中放电路、鉴相积分控制电路以及PLL频率合成器电路等进行了详细设计,同时对设计的电路进行了仿真、优化和制作。
Then each circuit element of composed atmospheric duct , such as crystal oscillators , the amplifier circuit , phase integral control circuit and PLL frequency synthesizer circuit , designed in detail . At the same time the designed circuit is simulated , optimized and produced .
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目前,集成化的压控型温度补偿晶体振荡器(VCTCXO)因其体积小、功耗低而得到了广泛的应用。
Because of its small in size and low in power consumption , VCTCXO has been used very widely now .
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介绍了一种采用快速获取数据方法的模拟温度补偿晶体振荡器(ATCXO)的补偿参数自动设置系统。
A proven analog temperature compensated crystal oscillator ( TCXO ) is described which employs parameter compensation by automated systems that have a rapid data-capture ability .
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从李森模型出发,以100MHz振荡器为例,详细介绍了一种高频低相噪晶体振荡器电路的设计思想和指导原则。
On the base of Leeson Model the circuit design of a high frequency and low phase noise crystal oscillator was discussed , taking a 100 MHz oscillator as an example .