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- 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。
- DRO(dielectric resonator oscillator) has the characteristics of high frequency stability and low phase noise. 介质振荡器具有频率稳定性好,相位噪声低的特性。
- The measurement of the test chip shows that the VCO in the CRC has a wide tuning range and a low phase noise. 并已完成对10GHz压控振荡器的在芯片测试,结果表明该电路具有较低相位噪声和较大调频范围的特点。
- For this reason,the paper is mainly focus on the theory and technology of low phase noise PLL design. 本文就基于此对锁相环低相位噪声理论和设计进行研究和分析。
- A design method of VCO with low phase noise time based center circuit is proposed. 提出了一种低相位噪声时基核心电路的压控振荡器的设计方法。
- The results indicate that the PLL source has low phase noise and stray,and it can meet the requirement of design and system operation. 测试结果显示,该频率源相位噪声较低、杂散低,满足设计和系统使用要求。
- Test results indicated that extraordinary linearity and low phase noise were achieved, and the DRO can be used for microwave phase-locked loops. 测试结果表明 ,此振荡器具有非常好的线性度和很低的相位噪声 ,可以为微波锁相环路提供高品质的 DRO。
- 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。
- In this scheme,the synthesizer contains a low-noise phase detector to achieve the performance of low phase noise and low spur level. 本方案采用了低底噪鉴相器,实现低相噪和低杂散指标。
- Through inductor optimization,the VCO has a low phase noise and a wide tuning range with switched capacitor array and NMOS varactor. 通过优化集成电感的设计,同时采用NMOS管和开关电容阵列作为可变电容,使该设计具有较低的相位噪声和较宽的调谐范围。
- This paper describes the design and implementation of GaAs Gunn diodes of low phase noise at Ku band. The design shows good agreement with experimental results. 文中介绍了Ku波段低相位噪声体效应管的设计与工艺实现 ,并制作出了与设计结果基本一致的器件。
- 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。
- In the method,DRO PLS is applied to be local oscillator to assure low phase noise performance and synthesizer in L band to assure high agile synthesizer speed. 其中，DRO PLS保证低相位噪声性能； L波段捷变频频综保证捷变频功能。
- 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。
- Because of its digital structure, it has many advantages, such as high frepuency and phase resolution , high speed of frequency changing, low phase noise and easy for integration. 由于采用了全数字结构，它具有频率和相位分辨率高、频率转换速度快、相位噪声小以及易于集成等诸多优点。
- ADI clock products deliver low jitter, low phase noise, and low spurs making them ideal for clocking high performance analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). ADI公司的时钟产品具有低抖动、低相位噪声和低杂散噪声特性,从而使它们适合用于要求高时钟性能的模数转换器(ADC)和数模转换器(DAC)。
- The characters of this improved circuit are not only low phase noise and high stable carrier but also ideal AF modulation frequency response, excellent anti-vibration and temperature performance. 该电路不仅具有低的相噪、高稳定的载波,还具有理想的音频调制频响、优良的抗震动性能和温度性能。
- The two circuit techniques of equivalent inductance and cross-coupled configuration are used to design a high frequency,low phase noise two-stage VCO,which can generate two pair quadrature outputs because of its even stage ring. 采用等效为电感特性的负载和交叉耦合结构两种电路技术设计了一种高工作频率、低相位噪声的二级环形振荡器(two-stage VCO).
- 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。
- Low Phase Noise VCO Using SiGe Technology 采用SiGe工艺的低相位噪声压控振荡器
