您要查找的是不是：
- PLL frequency synthesizer with DDS reference will adapt to local oscillator of modern radio. 采用DDS输出作为参考的PLL频率合成器非常适合用做现代电台的本振。
- A new advanced method to constitute a multiple point frequency synthesizer by using large scale PLL frequency IC controlled by single chipmicrocomputer is presented. 用单片机控制大规模集成锁相环频率合成电路来构成多频点频率合成器，使大规模集成锁相环频率合成电路的功能得到充分发挥。
- It adopts DDS + PLL frequency synthesizer scheme to realize low end frequency 2~4GHz output,then through segment amplifying multiplying chain realize from 2~4GHz expand to 2~12GHz,and the output frequency is selected by microwave switch. 采用DDS+PLL的混合频率合成方案实现低端频率2~4GHz的输出,再通过分段放大倍频链路实现从2~4GHz到2~12GHz的扩频,并由微波开关控制选频输出。
- In this system, continuously variable slope delta modulation(CVSD) is used to change the analogy signal into digital, GFM is used to modulate the signal, FDMA, PLL frequency synthesizer. 这种系统采用连续可变斜率增量调制(CVSD)来实现语音信号的编码、GFM调制解调方式、FDMA、PLL频率合成器技术。
- GLONASS receiver front end structure and its frequency synthesizer part are given based on the GLONASS frequency plan.The synthesizer is realized with integrated PLL frequency synthesizer. 摘要根据GLONASS系统的频率计划和GLONASS接收机的特定结构，提出用变化钟频法实现GLONASS接收机的前端。
- CMOS Implementation of RF PLL Frequency Synthesizer 射频锁相环型频率合成器的CMOS实现
- Research on DDS-driven PLL Frequency Synthesizer DDS激励PLL频率合成器的研究
- HEF4750/4751 LSI PLL Frequency Synthesizer HEF4750/4751大规模集成锁相环频率合成器
- MiLlimeter wave PLL frequency synthesizer 毫米波锁相频率源
- Computer-Aided Design of Fractional-N PLL Frequency Synthesizer 小数分频频率合成器的计算机辅助设计
- A PLL Frequency Synthesizer with High Multiple-Frequency 一种多倍频选择的高倍频锁相环频率合成器
- Design of PLL Frequency Synthesizer by the Method of Extreme Value Phase Margin 锁相跳频源的极值相位裕量设计法
- CMOS Implementation of a Wideband Low Phase Noise PLL Frequency Synthesizer 宽带低相位噪声锁相环型频率合成器的CMOS实现
- SCM Control of PLL Frequency Synthesizer for Digital Tuning in AV Systems AV系统数字调谐PLL频率合成器的单片机控制
- THE DESIGN OF DIGITAL PLL FREQUENCY SYNTHESIZER IN SUBSURFACE ELECTROMAGNETIC WAVE METER 地下电磁波仪中锁相频率合成器的设计
- New Broken Number Frequency Division Theory Based on Swallowing Pulse PLL Frequency Synthesizer 小数分频在吞脉冲频率合成器中的实现
- Miniature Integrated PLL Frequency Synthesizer Controlled by Single Chip Microprocessor 单片机控制的微型集成锁相频率合成器
- PLL frequency synthesizer 锁相频率合成器
- Dueto using advanced MMIC PLL and VCO,the researched frequency synthesizer has smallvolume,fast switching speed and low phase noise. 选用了微波单片PLL频率合成器芯片、单片集成VCO等先进器件，研制的频率合成器具有体积小、捷变速度快、相位噪声低等特点。
- At the beginning the principle of PLL is introduced, then a hardware design and implementation of frequency synthesizer based on ADF4218L is presented. 文中在简要叙述锁相环的基本原理的基础上,介绍了ADF4218L的主要特点及基于ADF4218L锁相频率合成器硬件电路的设计和实现。
