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- PLL frequency modulator 锁相环调频器
- PLL frequency modulation 锁相调频
- 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。
- B.G.Goldberg, “Analog and Digital Fractional-N PLL frequency Synthesis: A Survey and Update”, Applied Microwave &Wireless, JUN 1999. 叶家毅;“微波分数频率合成器之研制与应用”;国立中正大学电机工程研究所硕士论文;2000.
- Explored the design of the mouthpiece for AES/EBU With digital frequency modulator system. 与相似的文献。
- 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。
- Output channel 3 or channel 4 of radio frequency modulator can be selected by up/down toggle switch. 射频调制器的输出频道可以通过上/下拨动开关选择3频道/4频道。
- 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。
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- 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。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- The figure below illustrates a simple frequency modulation architecture. 下面的图表列举了一个简单的调频结构体系。
- 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
- Manufacture of Vary Carrier Frequency Modulator 一种捷变频调制器的制作
- HEF4750/4751 LSI PLL Frequency Synthesizer HEF4750/4751大规模集成锁相环频率合成器
- CAD of PLL frequency acquisition processing 锁相环频率捕捉过程的计算机辅助设计
- multivibrator frequency modulator 多谐振荡器式调频器
- integrated circuit pulse frequency modulator 集成电路脉冲频率调制器
