In this paper, based on the formula of phase noise and phase noise model of the oscillator, the study on an X-band low phase noise voltage-controlled oscillator (VCO), low phase noise voltage-controlled dielectric resonator oscillator (VCDRO), and two synthesizers are made.
本文在介绍了相位噪声的定义,振荡器相位噪声的产生机理和锁相环原理的基础上,开展了对X波段低相噪压控振荡器(VCO)和低相噪压控介质振荡器(VCDRO)及频率综合技术的研究。
The paper put forward a design NCO (numerical controlled oscillator) with phase accumulation algorithm and fraction ratio decimation filter with mixing linear interpolation algorithm and CIC(cascaded integrator comb) filter, so that the DDC (digital down converter) process could be implemented in software on general purpose DSP(digital signal processing) chip and afford greater flexibility.
采用相位累加算法实现数字控制振荡器,利用线性内插方法结合级联积分梳妆滤波器实现分数比抽取滤波,从而达到降低数字下变频器复杂性的目的,使得数字下变频处理可以在通用数字信号处理芯片中用软件实现。
The appearance of programmable logic devices(PLD), such as CPLD and FPGA, makes it possible to substitute the unit by a new module using FPGA with NCO technique.
本文介绍一种采用数字控制振荡器的设计技术,利用FPGA实现调制转换基准插件功能,从而代替了原来的模拟部件,解决了设备的维护问题。
18 μm CMOS process, VCO operates at 4.
18μmCMOS工艺进行流片,电压控制振荡器(VCO)的频率范围为4。
The basic theory of photoelectricity transform is presented, and a electrooptic transform transmitter based on VCO is designedAlso gives the response characteristic of the transmitterExperimental results show that the transmitter has a better applicatio
介绍了基于电压控制振荡器的电光转换电路的基本原理 ,设计了一种基于 VCO的电光转换发射电路 ,并给出了其响应特性。
A CMOS current controlled oscillator for switching power supply
应用于开关电源的CMOS电流控制振荡器
Design of a Current-Controlled Oscillator with Compensation Based on 0.5 μm CMOS Process
一种基于0.5μmCMOS工艺的补偿型电流控制振荡器设计
collector controlled oscillator
集电极控制的振荡器
electromechanical low-frequency control oscillator
机电低频控制振荡器
voltage controlled avalanche oscillator
电压控制雪崩振荡器
pulse-controlled tube oscillator
脉冲控制电子管振荡器
The Study of Damping of Power System Low Frequency Oscillations by Unified Power Flow Controller;
统一潮流控制器抑制低频振荡的研究
Design and Simulation of 2.4 GHz Voltage-Controlled Oscillator
2.4GHz电压控制振荡器的设计与仿真
Analysis of medium-frequency oscillation in the Boost power factor correction converter with average current mode control
平均电流控制型Boost功率因数校正变换器中的中频振荡现象分析
voltage controlled crystal oscillator
可控电压晶体振荡器
burst controlled oscillator
短脉冲串控制振荡器
temperature-controlled crystal oscillator
温度控制晶体振荡器
automatic frequency control generator
自动频率控制振荡器
line-controlled blocking oscillator
传输线控制间歇振荡器
antiparasitic resistor
寄生振荡抑制电阻器
The design and implementation of element circuits including current-controling-oscilator (ICO), log-domain integrator and Gauss filter are also described in detail.
设计并分析了对数域电流控制振荡电路,对数域积分器和高斯滤波器等主要的模拟电路。
Analysis and Control of Sub-synchronous Oscillation of Complex HVDC/AC Power System;
复杂交直流输电系统次同步振荡的分析与控制
Coordinated Stabilized Control of Low-Frequency Oscillation of AC/DC Hybrid Power System;
交直流混合电力系统低频振荡协调稳定控制
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