频率合成器电路 meaning in English
frequency synthesizer circuit
Examples
- The optimized design and performance of the circuit of sampling phase - locked frequency synthesizer in microwave high - stability frequency - synthesizing technology are researched for the high demand of microwave frequency source
针对卫星电视接收机中微波高稳定本振源的要求，重点研究了取样锁相频率合成器电路的优化设计及性能。 - The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper . the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply . the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer . then , the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits . at last , the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder . the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product
本文系统的阐述了锁相频率合成器的基本工作原理及电路类型；较深入地分析了取样鉴相工作原理及电路、锁相环路的线性跟踪特性和相位噪声特性；重点对取样锁相频率合成器电路理论和设计方法进行了研究；为了改善环路的捕获性能，对扩捕电路进行了分析和设计，并用wewb32软件对电路进行了仿真；考虑到取样保持器的附加相移影响，对环路滤波器进行了分析和设计。 - On basic of researching the principle of phase locked loop , this article analyzes the output signal whose noise characteristics depend on the each part of pll , and designs a scheme to realize the frequency synthesizers using the high performance chips with integrated prescalers and phase detectors . the visualized circuit structure is given in this paper
本文在研究锁相环路基本原理的基础上，分析了锁相式频率合成器电路中各部件对环路输出信号噪声性能的影响，设计了以一个高性能的集成锁相环频率合成器芯片为基础实现频率合成的方案，并给出了具体的电路形式。