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- quartz controlled oscillator 石英振荡器
- VCO? Voltage Controlled Oscillator? 电压控制的振荡器?
- This function is also called VCO (Voltage Controlled Oscillator). 此功能也称为压控振荡器（ VCO ） 。
- The design of a new CMOS digitally controlled oscillator (DCO) is proposed. 摘要提出了一种新型CMOS数控振荡器的设计。
- The analysis to the parameter of the NCO gives a way to design the more high powered numerically controlled oscillator. 通过对其参数进行分析为进一步设计高性能的数控振荡器指出了方向
- A fully integrated low phase noise LC voltage controlled oscillator(VCO) is presented. 介绍了一种全集成的LC压控振荡器(VCO)的设计。
- In this thesis, we discuss the Voltage Controlled Oscillator (VCO) which has the largest jitter in PLL system. 在本论文中，我们讨论在锁相迴路系统之中，产生最大杂讯抖动的电压控制震荡器。
- In the meantime, the paper illustrates the design of the analog circuit in this system using the example of a voltage controlled oscillator. 同时，文章还以压控振荡器为例说明了在该系统中进行模拟电路的设计。
- The key building blocks in the frequency synthesizer are the voltage controlled oscillator (VCO) and the high frequency divider circuit. 摘要:压控振荡器与除频器是频率合成器电路中，主要的电路之一。
- In recent years, increased demand for wireless communication systems motivates a growing interest in low phase noise voltage controlled oscillator (VCO). 近年来，随着无线通信系统的飞速发展，对低相位噪声压控振荡器(VCO)的需求也同益增加。
- Thus, the thesis will focus on the design of low phase noise voltage controlled oscillator (VCO) using off-chip cavity resonator and flip-chip technology. 所以，使用外接空腔共振器和覆晶技术来设计低相位杂讯的电压控制振荡器将是本论文的重点。
- The PLL part, made of PD, Loop Filter, Voltage Control Oscillator, is the key circuit of the system to produce steady and continuous frequency scanning signal. PLL锁相环路部分主要由鉴相器、环路滤波器、电压控制振荡器构成，产生稳定连续的频率扫描信号，它是本系统的关键电路。
- This paper introduces a method of realization of the numeric controlled oscillator(NCO) used in quadrature digital mixer with the CORDIC(COordination Rotation DIgital Computer) algorithm based on vector rotation. 介绍一种利用矢量旋转的CORDIC(COordination Rotation DIgital Computer)算法实现正交数字混频器中的数控振荡器(NCO)的方法.
- The Numerically Controlled Oscillator is the key component it the implementation of DPLL. Two methods were adopted to achieve NCO based on the combination of Verilog language and FPGA of Xilinx. 数字锁相环数控振荡器设计是数字锁相环电路的关键部分,在利用Verilog语言配合Xilinx的FPGA的基础上,采用两种方法实现数控振荡电路。
- Voltage controlled oscillator (VCO) and frequency divider (FD) are the main components of phase locked loop (PLL). For VCO, low phase noise can avoid the affection of Adjacent-Channel Interference. 摘要:压控振荡器与除频器是锁相迴路中，主要的电路之一。对压控振荡器而言，低相位杂讯可避免造成相邻通道的干扰。
- This thesis proposes a new digital controlled oscillator (DCO) and a new phase frequency detector (PFD) architecture for the all digital phase-locked loop (ADPLL) with low power design. 本论文提出一个新的数位控制频率振荡器及一个新的相位频率侦测器之架构以设计一个低功率的全数位式锁相迴路。
- This thesis presents one voltage controlled oscillator and two injection locked frequency dividers, which are implemented by using standard TSMC 0.18um and 0.35um CMOS process respectively. 摘要:此论文提出了一个压控振荡器和二个注入锁定除频器，它们分别使用了标准台积电0.;18微米和0
- A method is presented for using field programmable gate array (FPGA) and numerical control oscillator (NCO) to approach a lower spurs and complex linear frequency modulation (LFM). 摘要针对采用脉冲压缩体制高性能超视距雷达的应用场合，提出了一种应用现场可编程逻辑阵列(FPGA)和数控振荡器(NCO)相结合实现低杂散复杂线性调频(LFM)方法。
- The mathematic module of the PLL was built and the sub-circuit such as Phase Detector(PD),Charge Pump(CP),Loop Filter(LF) and Voltage Control Oscillator(VCO) was designed cautiously. 主要包括：研究了该锁相环系统建模，完成了鉴相器(PD)、电荷泵(CP)、环路滤波器(LF)以及压控振荡器(VCO)子电路设计。
- In voltage controlled oscillators, the first oscillator is a differential complementary Colpitts VCO with back-gate coupling technique. 在压控振荡器里，第一个振荡器是有背闸极耦合技术的互补式考毕子压控振荡器。
