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The Design of Highly Stable Phase Locked Microwave Dielectric Resonator Oscillator 高稳定锁相介质振荡器微波源的设计
Keywords microwave dielectric ceramics;dielectric resonator;barium neodymium titanium;barium samarium titanium; 微波介质陶瓷;介质谐振器;钕钛钡;钐钛钡;
microwave dielectric resonator 微波介质谐振器
A novel laser trimming method is developed for microwave ceramic dielectric resonator. 提出一种采用激光微调微波陶瓷介质谐振器的方法。
Preparation of the microwave dielectric ceramics by sol-gel method. 法制备微波介质陶瓷材料。
Abstract: Microwave dielectric ceramics can miniaturize the wireless communication and other microwave devices. 摘要：微波介质陶瓷可使微波通信和其他微波设备小型化，是有良好发展前景的一种介电材料。
In addition, some suggestions in the field of the interfaces of microwave dielectric ceramics were also proposed. 最后指出了在微波介质陶瓷界面研究领域面临的问题及今后的发展方向。
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。
A GaAs FET Oscillator stabilized by a dielectric resonator with a feedback loop has been developed. 本文介绍了一种环路反馈式场效应管介质稳频振荡器.
The crystal structure and microwave dielectric properties of (Pb_(0.48)Ca_(0.52) ) (Fe_(0.5)Nb_(0.5))O_3 ceramics added with CeO_2 was investigated. 研究了CeO2添加量对(Pb0.;48Ca0
Microwave dielectric ceramics of(1?x)Ba4Sm9.33Ti18O54?xCa0.61Nd0.26TiO3[(1?x)BST?xCNT] were prepared by solid statereaction. 采用固相合成法制备了(1?x)Ba4Sm9.;33Ti18O54?xCa0
The influences of doping,sintering aids and grain-orientation on the microwave dielectric properties of BaO-Ln2O3-xTiO2 ceramics were summarized. 叙述了BaO-Ln2O3-xTiO2系陶瓷的掺杂、添加烧结助剂和晶粒取向对其烧结温度和微波介电性能的影响。
GaAs FET Oscillator stabilized by a dielectric resonator with a feedback loop has been developed. 本文介绍了一种环路反馈式场效应管介质稳频振荡器.
The glass-forming,the crystallization process and microwave dielectric properties of MgO-Al_2O_3-SiO_2-Ti_2 system glass adding CeO_2 were investigated by mean of DTA,XRD,SEM. 通过DTA、XRD、SEM 等测试手段,研究了CeO_2t 添加到MgO-Al_2O_3-SiO_2-TiO_2系统后玻璃的形成、相变和介电性能。
Our product offering dielectric products includes dielectric filters, dielectric duplexers, dielectric antenna, dielectric resonator. 介质产品包括介质滤波器，介质双工器，介质天线，介质谐振器。
It measures the change of Q-value of the Sapphire dielectric resonator after loading a HTS film,and the Rs of HTS film can be calculated by a simple equality :Q-1 =A +BRs . 它通过测量加载超导薄膜前后,介质谐振器的固有品质因数的变化,通过一个简便的等式Q-1=A+BRs 来确定超导薄膜的微波表面电阻Rs。
With higher-order mode (TE021 mode) of the Dielectric Resonator(DR), a parallel feedback-type Dielectric Resonator Oscillator(DRO) operating at 10.7GHz is reported. 本文采用介质谐振器(DR)的高阶模式(TE_(021)模式);研制出振荡频率为10.;7GHz的并联反馈型介质稳频振荡器(DRO)
In the fabrication of multiplayer microwave devices, low temperature firing microwave dielectric materials are needed in order to use the low-melting point conductors such as Cu and Ni etc. 在制备多层微波元件过程中,为使用Cu、Ni等低熔点导体,必须降低微波介质陶瓷的烧结温度。
The time-resolved spectra of free and shallow-trapped photoelectron are obtained by microwave dielectric spectrum detection technology for pure and reduction sensitized AgCl emulsion. 利用微波介电检测技术,测得还原增感立方体氯化银乳剂中自由光电子与浅束缚光电子衰减行为随还原增感温度的变化。
Chapter two and three,the principle and simulation of dielectric resonator. MESFET DRO (dielectric resonator oscillator) and amplifier are introduced. Theresults of the simulation and the design layout are given in these two chapters. 第二章和第三章介绍了介质谐振器及其仿真设计、MESFET DRO 和放大器的原理和设计,并给出了仿真结果和加工版图。