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- Local Oscillator Phase Noise and Its Effect on Aperture Synthesis Interferometer Performance 本振相位噪声对干涉式综合孔径辐射计性能的影响
- Performance of Space-time Frequency-shift Keying Systems in Presence of Oscillator Phase Noise 振荡器相位噪声对空时频移键控系统性能的影响
- oscillator phase noise 振荡器相位噪声
- 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。
- Secondly, a Ku-band Vt-DRO is designed . Oscillator and its phase noise performance are elaborately analyzed by ADS software, which is also used to optimize DRO circuit. Ku波段电调谐介质稳频振荡器的设计,通过计算机软件对振荡电路及其相位噪声性能进行了详细的分析,优化设计了反射型DRO电路并进行了测试。
- 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。
- The oscillator consists of two Colpitts VCOs and a transformer, it uses transformer coupling technique and differentially tuned MOS varactors for reducing phase noise. 振荡器由两个考毕子振荡器和一个变压器所组成,它使用了变压器耦合技术和差动式调变之金氧半变容器来降低相位杂讯。
- 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 phase noise of PLL is?88.83 dBc/Hz at 10kHz offset. 37GHz的单片锁相环电路的锁定范围为32MHz;锁定时在偏离中心频率10kHz处的相位噪声为-88.;83dBc/Hz。
- Design and phase noise analysis of a MEMS varactor is presented. 给出了一种MEMS压控电容的设计和相位噪声分析结果。
- In this paper, the design of a K-band phase-locked oscillator is presented. It uses sub-harmonic sampling phase-lock loop and push-push Dielectric Resonator Oscillator (DRO) of high quality factor to suppress its phase noise. 本文介绍了一种K波段频率源的设计方法,该频率源要求具有良好的相位噪声性能,因此采用分谐波锁相式振荡源,锁相环路中的压控振荡器采用推-推(push-push)式DRO,它可以更加有效的提高有源器件的工作频率,改善系统的噪声性能。
- 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。
- LC oscillators have better phase noise, but the lowest noise is obtained with the use of a quartz crystal oscillator. LC谐振器利用石英晶体振荡器产生基准源,因此抖动较小。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- The properties of phase noise of Gunn oscillators are determined by the characters ofthe noise of Gunn diodes. 体效应振荡器相位噪声主要取决于体效应管的噪声。
- The measured phase noise is-117dBc/Hz at 4MHz off the center frequency of 4.189GHz. 其在4.;189GHz频点上4MHz频偏处所测得的相位噪声为-117dBc/Hz
- The measured phase noise of the CMU is -90.9 dBc/Hz at 10 kHz offset, and the root-mean-squared jitter is 10 ps. 时钟倍频单元输出的2.;5 GHz时钟相位噪声在10kHz频偏处为-90
- 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。