yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">   每个yle="word-spacing:-1.5px;font-size:16px">Eliteyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">系列都为其目标应用提供了独到的差异化因素yle="word-spacing:-1.5px;font-size:16px">.yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">统一电子是国内有名的进口晶振代理商yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">不仅代理台湾yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">日本进口晶振品牌yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">并且提供优异的欧美晶振yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">包括yle="word-spacing:-1.5px">yle="font-size:16px">SiTimeyle="font-family:宋体;font-size:16px">晶振yle="word-spacing:-1.5px;font-size:16px">,ECSyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">晶振yle="word-spacing:-1.5px;font-size:16px">,CTSyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">晶振等yle="word-spacing:-1.5px;font-size:16px">.yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">下列表格中介绍基于yle="word-spacing:-1.5px;font-size:16px">Eliteyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">系列振荡器产品的关键差异化因素是什么yle="word-spacing:-1.5px;font-size:16px">?

yle="word-spacing:-1.5px;font-size:16px">yle="word-spacing:-1.5px;font-size:16px">   SiTimeyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">是一家yle="word-spacing:-1.5px;font-size:16px">MEMSyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">和模拟半导体公司yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">是基于yle="word-spacing:-1.5px;font-size:16px">MEMSyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">的频率控制解决方案的领导者yle="word-spacing:-1.5px;font-size:16px">.yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">我们结合创新yle="word-spacing:-1.5px;font-size:16px">MEMSyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">和可编程模拟技术凭借我们的系统专业知识yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">突破传统石英晶振产品的局限性提供业界最佳的时序解决方案yle="word-spacing:-1.5px;font-size:16px">.yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">我们的可配置产品提供最稳定的时序yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">使客户能够区分他们的系统具有更高的性能yle="word-spacing:-1.5px;font-size:16px">,yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">更小的尺寸和更好的可靠性yle="word-spacing:-1.5px;font-size:16px">.yle="word-spacing:-1.5px;font-family:宋体;font-size:16px">更多详细yle="word-spacing:-1.5px;font-size:16px">SiTimeyle="word-spacing:-1.5px;font-family:宋体;font-size:16px">晶振资料信息欢迎登入统一官网查看了解yle="word-spacing:-1.5px;font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">历史上yle="font-size:16px">,yle="font-family:宋体;font-size:16px">振荡器是由连接到模拟的石英晶体谐振器制成的维持谐振器以特定频率振动的维持电路yle="font-size:16px">.yle="font-family:宋体;font-size:16px">现在yle="font-size:16px">,yle="font-family:宋体;font-size:16px">有一个替代方案yle="font-size:16px">-yle="font-family:宋体;font-size:16px">硅yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">振荡器yle="font-size:16px">-yle="font-family:宋体;font-size:16px">这些器件的性能优于石英晶体振荡器嘈杂的环境yle="font-size:16px">.yle="font-family:宋体;font-size:16px">推动高速电信和移动应用的发展对时钟源的要求更高yle="font-size:16px">.yle="font-family:宋体;font-size:16px">此外yle="font-size:16px">,yle="font-family:宋体;font-size:16px">更复杂的电子设备和更高的时钟频率需要时钟设备在嘈杂的环境中继续表现良好yle="font-size:16px">.yle="font-family:宋体;font-size:16px">本文展示了在石英和石英上进行的对比实验的结果硅yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">振荡器yle="font-size:16px">.yle="font-family:宋体;font-size:16px">数据表明yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">振荡器的性能优于石英现实的环境条件yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">振荡器供应商为每种产品提供数据表yle="font-size:16px">,yle="font-family:宋体;font-size:16px">说明性能参数作为频率稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">抖动和相位噪声yle="font-size:16px">.yle="font-family:宋体;font-size:16px">虽然数据表是一个很好的指标选择定时设备时yle="font-size:16px">,yle="font-family:宋体;font-size:16px">用户还必须评估这些设备在现实生活中的表现环境条件yle="font-size:16px">.yle="font-family:宋体;font-size:16px">在模仿真实操作中看到的条件下进行测试环境提供有关真实组件性能的有价值信息该受到环境压力的振荡器的性能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">如电磁来自电源或其他系统组件的干扰yle="font-size:16px">(EMI),yle="font-family:宋体;font-size:16px">振动和噪声与理想条件下的振荡器相比yle="font-size:16px">,yle="font-family:宋体;font-size:16px">它会降低yle="font-size:16px">.yle="font-family:宋体;font-size:16px">最终yle="font-size:16px">,yle="font-family:宋体;font-size:16px">环境压力可能会降低设备的可靠性和寿命yle="font-size:16px">.yle="font-family:宋体;font-size:16px">考虑性能很重要在选择定时装置时yle="font-size:16px">,yle="font-family:宋体;font-size:16px">在逼真yle="font-size:16px">,yle="font-family:宋体;font-size:16px">嘈杂yle="font-size:16px">,yle="font-family:宋体;font-size:16px">苛刻的条件下振荡器yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-size:16px">1yle="font-family:宋体;font-size:16px">、硅yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">优势

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">硅yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">振荡器与允许它们的石英振荡器相比具有一些固有的优势在各种环境中可靠地运行yle="font-size:16px">.SiTimeyle="font-family:宋体;font-size:16px">开发了yle="font-size:16px">MEMS FirstTMyle="font-family:宋体;font-size:16px">工艺哪些谐振器完全封装在硅中并封闭在微真空室内yle="font-size:16px">[1].yle="font-family:宋体;font-size:16px">谐振器的非常小的质量的组合和其硬硅晶体结构使它们耐用并且极其耐受外部应力yle="font-size:16px">,yle="font-family:宋体;font-size:16px">例如冲击和振动yle="font-size:16px">.yle="font-family:宋体;font-size:16px">此外yle="font-size:16px">,yle="font-family:宋体;font-size:16px">振荡器中优化设计的模拟电路可提供高性能电噪声条件yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">图yle="font-size:16px">1yle="font-family:宋体;font-size:16px">中的yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">振荡器架构示意图显示了关键部件有助于提高性能和可靠性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">包括精细调谐的硅yle="font-size:16px">MEMSyle="font-family:宋体;font-size:16px">谐振器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">振荡器维持电路yle="font-size:16px">,yle="font-family:宋体;font-size:16px">高精度分数yle="font-size:16px">Nyle="font-family:宋体;font-size:16px">锁相环yle="font-size:16px">(PLL)yle="font-family:宋体;font-size:16px">和驱动器带全差分电路yle="font-size:16px">.

yle="font-family: 宋体; font-size: 16px; text-indent: 28px; "> yle="text-indent:2em">Raltronyle="text-indent:2em">晶振公司成立于yle="text-indent:2em">1983yle="text-indent:2em">年yle="text-indent:2em">,yle="text-indent:2em">是全球较受欢迎的石英晶振yle="text-indent:2em">,yle="text-indent:2em">贴片晶振yle="text-indent:2em">,yle="text-indent:2em">压电石英晶体等频率产品制造商之一yle="text-indent:2em">.Raltronyle="text-indent:2em">晶振公司提供高性能的频率控制解决方案yle="text-indent:2em">,yle="text-indent:2em">在价格、质量、应用程序工程和客户支持方面满足和超越客户期望yle="text-indent:2em">.Raltronyle="text-indent:2em">晶振被广泛使用于汽车电子yle="text-indent:2em">,yle="text-indent:2em">智能设备yle="text-indent:2em">,yle="text-indent:2em">等产品中yle="text-indent:2em">.yle="text-indent:2em">以下是拉隆yle="text-indent:2em">7050yle="text-indent:2em">有源晶体器原厂代码yle="text-indent:2em">,yle="text-indent:2em">欢迎收藏选用yle="text-indent:2em">.

yle="font-family: 宋体; font-size: 16px; text-indent: 28px; "> CO4305-25.000-T-TR晶振,C04302-27.000-EXT-T晶振,C04310-32.000-EXT-TR贴片晶振,C04610-80.000-T-TR有源晶振,C04810-20.000MHZ-EXT-TR晶振,CO43025-14.31818-T石英晶体振荡器,CO43025-24.576-T-TR晶振,CO43025S-25.000-EXT-TR贴片晶振,CO43025S-27.000-T-TR- L30有源晶振,CO4305-16.000-EXT-TR石英晶体振荡器,CO4305-20.000-T-TR美国进口晶振,CO4305-22.118M-EXT进口晶振,CO4305-24.000-TR晶振

yle=" text-indent: 2em;"> yle="font-size:16px">1yle="font-family:宋体;font-size:16px">、哪些器件组成了yle="font-size:16px">Eliteyle="font-family:宋体;font-size:16px">的yle="font-size:16px">Super-TCXOyle="font-family:宋体;font-size:16px">系列？

yle=" text-indent: 2em;"> yle="font-size:16px">Elite Super-TCXO晶振yle="font-family:宋体;font-size:16px">系列最初包括具有不同的频率稳定性等级和频率覆盖五个设备yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">所有yle="font-size:16px">Elite Super-TCXO晶振yle="font-family:宋体;font-size:16px">都具备卓越的动态性能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">在常见环境危害的条件下提供最稳定的时钟yle="font-size:16px">.yle="font-family:宋体;font-size:16px">此外yle="font-size:16px">,yle="font-family:宋体;font-size:16px">所有的yle="font-size:16px">Elite Super-TCXOyle="font-family:宋体;font-size:16px">在yle="font-size:16px">VC-TCXOyle="font-family:宋体;font-size:16px">操作模式下具有的可程序设计拉动范围可以达到±yle="font-size:16px">6.25ppmyle="font-family:宋体;font-size:16px">、±yle="font-size:16px">12.5ppmyle="font-family:宋体;font-size:16px">与±yle="font-size:16px">25ppm.

yle=" text-indent: 2em;"> yle="font-size:16px">2yle="font-family:宋体;font-size:16px">、为什么称这些器件为yle="font-size:16px">Super-TCXOyle="font-family:宋体;font-size:16px">？

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">在真实工作条件下yle="font-size:16px">,Super-TCXOyle="font-family:宋体;font-size:16px">具有出色的动态性能yle="font-size:16px">.yle="font-family:宋体;font-size:16px">石英yle="font-size:16px">TCXO振荡器yle="font-family:宋体;font-size:16px">的一个关键问题是不能满足常见环境条件下实际系统的性能规格yle="font-size:16px">.Elite Super-TCXOyle="font-family:宋体;font-size:16px">设计用于在环境危害yle="font-size:16px">,yle="font-family:宋体;font-size:16px">如冲击、振动、气流和嘈杂电源的情况下保持额定性能规格yle="font-size:16px">,yle="font-family:宋体;font-size:16px">如稳定性、相位噪声、抖动和艾伦偏差yle="font-size:16px">.Elite Super-TCXOyle="font-family:宋体;font-size:16px">的动态稳定性有助于在直接影响使用者体验的情况下提供稳定的系统性能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">例如减少手机呼叫掉线yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">统一电子多年来不仅为广大用户提供高可靠性的产品yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且不定期推出各类石英晶体yle="font-size:16px">,yle="font-family:宋体;font-size:16px">贴片晶振yle="font-size:16px">,yle="font-family:宋体;font-size:16px">以及石英晶体振荡器相关的技术资料yle="font-size:16px">,yle="font-family:宋体;font-size:16px">免费供应广大用户查阅yle="font-size:16px">.yle="font-family:宋体;font-size:16px">以下分析晶体振荡器中的石英晶体电流测量yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">定义：晶体的驱动电平是yle="font-size:16px">ayle="font-family:宋体;font-size:16px">所见功耗的测量值振荡器的放大器电路中的晶体yle="font-size:16px">.yle="font-family:宋体;font-size:16px">驱动器级别以yle="font-size:16px">.yle="font-family:宋体;font-size:16px">表示毫瓦（yle="font-size:16px">mWyle="font-family:宋体;font-size:16px">）或微瓦（μyle="font-size:16px">Wyle="font-family:宋体;font-size:16px">）yle="font-size:16px">.yle="font-family:宋体;font-size:16px">最大功耗通常是由所用石英类型和制造商指定yle="font-size:16px">,yle="font-family:宋体;font-size:16px">具有典型的额定值至yle="font-size:16px">1mWyle="font-family:宋体;font-size:16px">或yle="font-size:16px">2mW.yle="font-family:宋体;font-size:16px">晶体的驱动电平由反馈定义在晶体两侧选择的元件yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">石英晶体谐振器的机械振动幅度增加与施加的电流成比例yle="font-size:16px">.yle="font-family:宋体;font-size:16px">过度驱动晶体会导致过多长期老化yle="font-size:16px">,yle="font-family:宋体;font-size:16px">输出幅度和频率失真yle="font-size:16px">,yle="font-family:宋体;font-size:16px">或更糟破坏谐振器yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-size:16px">VCXOyle="font-family:宋体;font-size:16px">压控晶体振荡器与yle="font-size:16px">TCXOyle="font-family:宋体;font-size:16px">温补晶体振荡器的结合作用为yle="font-size:16px">VC-TCXOyle="font-family:宋体;font-size:16px">压控温补晶体振荡器yle="font-size:16px">.yle="font-family:宋体;font-size:16px">统一电子是一家专业生产销售石英晶体yle="font-size:16px">,yle="font-family:宋体;font-size:16px">贴片晶振yle="font-size:16px">,yle="font-family:宋体;font-size:16px">有源晶振的优质供应商yle="font-size:16px">,yle="font-family:宋体;font-size:16px">成立至今已有十几二十多年的生产销售经验yle="font-size:16px">,yle="font-family:宋体;font-size:16px">为广大用户提供了各类优异的产品yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-size:16px">VCXOyle="font-family:宋体;font-size:16px">压控晶体振荡器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">提供yle="font-size:16px">xtalyle="font-family:宋体;font-size:16px">振荡器的稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">能够调节或拉低它们yle="font-size:16px">.yle="font-family:宋体;font-size:16px">压控晶振可用于许多yle="font-size:16px">RFyle="font-family:宋体;font-size:16px">电路yle="font-size:16px">,yle="font-family:宋体;font-size:16px">其中需要晶体振荡器或yle="font-size:16px">xtalyle="font-family:宋体;font-size:16px">振荡器的稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">但能够拉动或调节它们少量yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">使用yle="font-size:16px">VCXOyle="font-family:宋体;font-size:16px">压控晶体振荡器可实现高水平的稳定性并实现低水平的相位噪声yle="font-size:16px">.yle="font-family:宋体;font-size:16px">通常yle="font-size:16px">VCXOyle="font-family:宋体;font-size:16px">压控晶振用于可能需要对信号进行小的可编程调整的情况yle="font-size:16px">,yle="font-family:宋体;font-size:16px">例如作为电子系统内的参考信号yle="font-size:16px">.yle="font-family:宋体;font-size:16px">这里yle="font-size:16px">VCXOyle="font-family:宋体;font-size:16px">可以使用从数字信号得到的电压来编程yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-size:16px">[yle="text-indent:2em;font-family:宋体;font-size:16px">前言yle="text-indent:2em;font-size:16px">]yle="text-indent:2em;font-family:宋体;font-size:16px">在电子设备和通信系统的设计和布局过程中yle="text-indent:2em;font-size:16px">,yle="text-indent:2em;font-family:宋体;font-size:16px">要仔细考虑必须进入晶体振荡器和外围电路以优化性能yle="text-indent:2em;font-size:16px">.yle="text-indent:2em;font-family:宋体;font-size:16px">作为核心在信号源中yle="text-indent:2em;font-size:16px">,yle="text-indent:2em;font-family:宋体;font-size:16px">yle="color:#ff0000">石英晶体振荡器必须产生高精度输出yle="text-indent:2em;font-size:16px">,yle="text-indent:2em;font-family:宋体;font-size:16px">因此对电路板其他部分的高频噪声本身敏感yle="text-indent:2em;font-size:16px">.

yle="text-indent: 2em"> yle="font-size:16px">该电路在设计期间需要明确小心yle="text-indent:2em;font-size:16px">.yle="text-indent:2em;font-family:宋体;font-size:16px">这些技术说明可作为设计指南降低几个外围电路中的噪声yle="text-indent:2em;font-size:16px">,yle="text-indent:2em;font-family:宋体;font-size:16px">其中高频噪声可能特别有害晶体振荡器输出yle="text-indent:2em;font-size:16px">.

yle="text-indent: 2em"> yle="font-size: 16px;">[yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">晶体振荡器和外围电路中的噪声源yle="text-indent: 2em; font-size: 16px;">]

yle="text-indent: 2em"> yle="font-size: 16px;">首先yle="text-indent: 2em; font-size: 16px;">,yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">在图yle="text-indent: 2em; font-size: 16px;">1yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">中yle="text-indent: 2em; font-size: 16px;">,yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">我们指出了晶体振荡器产生的典型噪声类型外围电路yle="text-indent: 2em; font-size: 16px;">.yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">有三种主要噪声源：

yle="text-indent: 2em"> yle="font-size: 16px;">1.yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">电源线噪音yle="text-indent: 2em; font-size: 16px;">2.yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">输出线的噪音yle="text-indent: 2em; font-size: 16px;">3.yle="text-indent: 2em; font-family: 宋体; font-size: 16px;">晶体振荡器的噪音

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">无线通信和半导体技术发展迅速yle="font-size:16px">,yle="font-family:宋体;font-size:16px">人们不断开发使用千兆赫范围的各种应用频率yle="font-size:16px">.yle="font-family:宋体;font-size:16px">这些新应用越来越需要高精度和稳定的千兆赫范围晶体定时装置采用谐振器的基本振荡模式yle="font-size:16px">,yle="font-family:宋体;font-size:16px">无需使用用于锁相环(yle="font-size:16px">PLLyle="font-family:宋体;font-size:16px">yle="font-family:宋体;font-size:16px;text-indent:28px;word-spacing:-1.5px">)yle="font-size:16px">,yle="font-family:宋体;font-size:16px">参考高次谐波振荡或低频振荡振荡yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">日本yle="font-size:16px">EPSON CRYSTALyle="font-family:宋体;font-size:16px">因此开发yle="font-size:16px">NS-34Ryle="font-family:宋体;font-size:16px">谐振器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">包装尺寸为yle="font-size:16px">3.8x3.8x0.98mm.yle="font-family:宋体;font-size:16px">以及一对低噪声振荡器采用yle="font-size:16px">NS-34R,yle="font-family:宋体;font-size:16px">有源晶体振荡器yle="font-size:16px">EG-9000GCyle="font-family:宋体;font-size:16px">和yle="font-size:16px">EV-9000GB.

yle=" text-indent: 2em;"> yle="font-size:16px">NS-34Ryle="font-family:宋体;font-size:16px">基于一个原始的爱普生晶振yle="font-size:16px">STyle="font-family:宋体;font-size:16px">切割水晶表面声波(yle="font-size:16px">SAWyle="font-family:宋体;font-size:16px">yle="font-family:宋体;font-size:16px;text-indent:28px;word-spacing:-1.5px">)谐振器已经在批量生产中证明了谐振频率高达yle="font-size:16px">800MHz.yle="font-family:宋体;font-size:16px">爱普生利用其制造技术进一步缩小规模并提高yle="font-size:16px">IDTyle="font-family:宋体;font-size:16px">的稳定性(在石英基板上以规则图案设置的梳形电极yle="font-family:宋体;font-size:16px;text-indent:28px;word-spacing:-1.5px">)以实现yle="font-size:16px">NS-34R SAWyle="font-family:宋体;font-size:16px">谐振器支持高达yle="font-size:16px">2.5GHzyle="font-family:宋体;font-size:16px">的谐振频率yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">在晶体振荡器中实现低相位噪声yle="font-size:16px">,yle="font-family:宋体;font-size:16px">对于实现高性能至关重要yle="font-size:16px">.yle="font-family:宋体;font-size:16px">因此yle="font-size:16px">,yle="font-family:宋体;font-size:16px">深入了解相位噪声非常重要yle="font-size:16px">.yle="font-family:宋体;font-size:16px">要开始了解相位噪声yle="font-size:16px">,yle="font-family:宋体;font-size:16px">了解相位噪声和抖动之间的差异非常重要yle="font-size:16px">.yle="font-family:宋体;font-size:16px">以下为统一电子对晶体振荡器中相位噪声的终极讲解yle="font-size:16px">,yle="font-family:宋体;font-size:16px">欢迎广大用户收藏点评yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">是什么导致相位噪声?有许多不同因素会影响石英晶体振荡器的振动yle="font-size:16px">,yle="font-family:宋体;font-size:16px">从而产生相位噪声yle="font-size:16px">.yle="font-family:宋体;font-size:16px">其中之一是温度yle="font-size:16px">.yle="font-family:宋体;font-size:16px">环境温度会影响晶体振荡器的振动yle="font-size:16px">,yle="font-family:宋体;font-size:16px">从而导致信号中出现“热噪声”yle="font-size:16px">.yle="font-family:宋体;font-size:16px">对于晶体振荡器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">相位噪声可能由“晶体老化”引起yle="font-size:16px">,yle="font-family:宋体;font-size:16px">当晶体的频率随着时间的推移而变化时yle="font-size:16px">,yle="font-family:宋体;font-size:16px">由于污染物离开晶体（正老化）或污染物积聚在晶体内（负老化）yle="font-size:16px">.yle="font-family:宋体;font-size:16px">无论哪种方式yle="font-size:16px">,yle="font-family:宋体;font-size:16px">结果都是振动改变和噪声信号yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">晶体振荡器相位噪声在频域中表示yle="font-size:16px">,yle="font-family:宋体;font-size:16px">包括由时域不稳定性（抖动）引起的波形相位（频率）的快速yle="font-size:16px">,yle="font-family:宋体;font-size:16px">短期yle="font-size:16px">,yle="font-family:宋体;font-size:16px">随机波动yle="font-size:16px">.yle="font-family:宋体;font-size:16px">抖动是一种描述时域中振荡器稳定性的方法yle="font-size:16px">.yle="font-family:宋体;font-size:16px">它将所有噪声源结合在一起yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并显示其对时间的影响yle="font-size:16px">.yle="font-family:宋体;font-size:16px">简而言之yle="font-size:16px">,yle="font-family:宋体;font-size:16px">相位噪声描述了频域中振荡器的稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">而抖动描述了时域中的稳定性yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">通过以下yle="font-size:16px">5yle="font-family:宋体;font-size:16px">个步骤深入了解晶体振荡器相位噪声yle="font-size:16px">.yle="font-family:宋体;font-size:16px">那么“光谱密度如何在yle="font-size:16px">5yle="font-family:宋体;font-size:16px">步过程中与相位噪声相连?”

yle=" text-indent: 2em;"> yle="font-size:16px">Jauchyle="font-family:宋体;font-size:16px">集团是晶体行业的领导者之一yle="font-size:16px">,yle="font-family:宋体;font-size:16px">主要生产晶体yle="font-size:16px">,yle="font-family:宋体;font-size:16px">晶体振荡器yle="font-size:16px">,MEMSyle="font-family:宋体;font-size:16px">振荡器和电池技术yle="font-size:16px">.yle="font-family:宋体;font-size:16px">成立于yle="font-size:16px">1954yle="font-family:宋体;font-size:16px">年yle="font-size:16px">,yle="font-family:宋体;font-size:16px">是一家领先的公司频率控制产品行业yle="font-size:16px">,yle="font-family:宋体;font-size:16px">也是公认的锂离子和锂聚合物电池解决方案专家yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-size:16px">Jauchyle="font-family:宋体;font-size:16px">晶振集团拥有遍布全球的分销办事处网络有能力的人yle="font-size:16px">. yle="font-family:宋体;font-size:16px">这使我们能够实现国际化解决方案以及通常的yle="font-size:16px">Jauch Crystalyle="font-family:宋体;font-size:16px">质量：来自提供在决定组件处理之前的建议订购物流yle="font-size:16px">.yle="font-family:宋体;font-size:16px">多年来凭借深入的技术咨询yle="font-size:16px">,yle="font-family:宋体;font-size:16px">认证专业知识和先进的测试环境yle="font-size:16px">,yle="font-family:宋体;font-size:16px">在欧美市场占据还领导位置yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-size:16px">JAUCHyle="font-family:宋体;font-size:16px">在欧洲yle="font-size:16px">,yle="font-family:宋体;font-size:16px">在德国yle="font-size:16px">,yle="font-family:宋体;font-size:16px">英国yle="font-size:16px">,yle="font-family:宋体;font-size:16px">法国和中国设有办事处yle="font-size:16px">.yle="font-family:宋体;font-size:16px">美国的另一个办事处确保我们在北方的存在和南美市场yle="font-size:16px">.yle="font-family:宋体;font-size:16px">我们在法国yle="font-size:16px">,yle="font-family:宋体;font-size:16px">英国和英国的子公司在美国yle="font-size:16px">,yle="font-family:宋体;font-size:16px">我们能够开发并提供先进的技术解决方案yle="font-size:16px">.

yle=" text-indent: 2em;"> yle="font-family:宋体;font-size:16px">选择一款yle="font-size:16px">Jauchyle="font-family:宋体;font-size:16px">晶振产品可在当地的销售和技术团队获得帮助yle="font-size:16px">,yle="font-family:宋体;font-size:16px">以便获得合适您的频率控制产品yle="font-size:16px">.yle="font-family:宋体;font-size:16px">优秀的yle="font-size:16px">Jauchyle="font-family:宋体;font-size:16px">工作人员会从一开始就提供并且建议完美的晶振选型方案yle="font-size:16px">,yle="font-family:宋体;font-size:16px">让您最大限度的缩短开发时间以及减少不必要的成本yle="font-size:16px">.

yle="text-indent: 2em;"> yle="font-size: 16px;">Jauchyle="font-family: 宋体; font-size: 16px;">晶振集团是主要生产销售石英晶体振荡器yle="font-size: 16px;">,SMDyle="font-family: 宋体; font-size: 16px;">晶体yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">无源贴片晶振yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">温补晶振等产品的国际知名制造商yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">一直以来为广大用户提供了无数高可靠性产品yle="font-size: 16px;">.yle="font-family: 宋体; font-size: 16px;">以下所介绍到的是yle="font-size: 16px;">Jauchyle="font-family: 宋体; font-size: 16px;">新型yle="font-size: 16px;">JO22yle="font-family: 宋体; font-size: 16px;">和yle="font-size: 16px;">JO32yle="font-family: 宋体; font-size: 16px;">贴片石英晶体振荡器具有可变电源电压.

yle="text-indent: 2em;"> yle="font-size: 16px;">Jauchyle="font-family: 宋体; font-size: 16px;">晶振集团微型yle="font-size: 16px;">SMDyle="font-family: 宋体; font-size: 16px;">晶体振荡器yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">可变工作电压和yle="font-size: 16px;">(H)CMOSyle="font-family: 宋体; font-size: 16px;">输出yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">为广大用户使用提供了诸多选择yle="font-size: 16px;">.yle="font-family: 宋体; font-size: 16px;">主要采用yle="font-size: 16px;">3.2x2.5x1.0mm (JO32) and 2.5x2.0x0.8mm (JO22)yle="font-family: 宋体; font-size: 16px;">封装yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">除了这些晶体振荡器的极其紧凑的尺寸外yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">新设计概念的优势在于这些yle="font-size: 16px;">XOyle="font-family: 宋体; font-size: 16px;">可用于yle="font-size: 16px;">1.8Vyle="font-family: 宋体; font-size: 16px;">至yle="font-size: 16px;">3.3Vyle="font-family: 宋体; font-size: 16px;">之间的任何工作电压yle="font-size: 16px;">.

yle="text-indent: 2em;"> yle="font-size: 16px;">JO22yle="font-family: 宋体; font-size: 16px;">晶振和yle="font-size: 16px;">JO32yle="font-family: 宋体; font-size: 16px;">晶振为不同领域产品提供多种电源电压yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">如yle="font-size: 16px;">1.8V/2.5V/2.8V/3.0V/3.3Vyle="font-family: 宋体; font-size: 16px;">等yle="font-size: 16px;">.yle="font-family: 宋体; font-size: 16px;">使用这些yle="font-size: 16px;">XOyle="font-family: 宋体; font-size: 16px;">晶体振荡器时比以前使用固定电压型yle="font-size: 16px;">XOyle="font-family: 宋体; font-size: 16px;">有源晶体振荡器更灵活yle="font-size: 16px;">.yle="font-family: 宋体; font-size: 16px;">在yle="font-size: 16px;">XOyle="font-family: 宋体; font-size: 16px;">有源晶振的操作期间yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">电压函数也可以在yle="font-size: 16px;">1.8V~3.3Vyle="font-family: 宋体; font-size: 16px;">的范围内变化yle="font-size: 16px;">,yle="font-family: 宋体; font-size: 16px;">具有变化频率保持最小yle="font-size: 16px;">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">晶振晶体元件除了移动通信yle="font-size:16px">,yle="font-family:宋体;font-size:16px">消费类电子产品中yle="font-size:16px">,yle="font-family:宋体;font-size:16px">在安防领域yle="font-size:16px">,yle="font-family:宋体;font-size:16px">卫星导航yle="font-size:16px">,yle="font-family:宋体;font-size:16px">航天航空领域一样有着关键作用yle="font-size:16px">.yle="font-family:宋体;font-size:16px">下面统一电子将带领大家一起了解应用于航天航空设备的晶体振荡器和谐振器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">看看这些石英晶体yle="font-size:16px">,yle="font-family:宋体;font-size:16px">贴片晶振晶体振荡器有哪些独特之处以及它们所要应对的环境挑战yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">首先我们先简单了解下石英晶体振荡器和石英晶体谐振器之间的重要区别yle="font-size:16px">.yle="font-family:宋体;font-size:16px">晶体振荡器和谐振器之间有什么区别？业内人士了解但是很多客户还是不太清楚yle="font-size:16px">,yle="font-family:宋体;font-size:16px">这是两款完全不一样的晶振yle="font-size:16px">,yle="font-family:宋体;font-size:16px">它们之间存在显著差异yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">晶体振荡器基本上是一个电路yle="font-size:16px">,yle="font-family:宋体;font-size:16px">其利用振动晶体以产生携带一个高度精确的频率的电信号的共振的yle="font-size:16px">.yle="font-family:宋体;font-size:16px">该频率可用于精确跟踪时间yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并应用于无线电发射器和接收器中使用的数字集成电路yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">对于晶体谐振器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">它们实现相同的功能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">因为当电流施加到晶体谐振器时它会机械地振动yle="font-size:16px">.yle="font-family:宋体;font-size:16px">然而yle="font-size:16px">,yle="font-family:宋体;font-size:16px">与作为有源器件的振荡器不同yle="font-size:16px">,yle="font-family:宋体;font-size:16px">谐振器是无源的yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且其阻抗值在窄的频率范围内快速变化yle="font-size:16px">.yle="font-family:宋体;font-size:16px">在许多情况下yle="font-size:16px">,yle="font-family:宋体;font-size:16px">晶体谐振器作为振荡器反馈网络的核心yle="font-size:16px">,yle="font-family:宋体;font-size:16px">因此是振荡器内部机制的一部分yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">石英晶体振荡器具有多种封装尺寸yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且不同的产品应用具有不同的功率要求yle="font-size:16px">,yle="font-family:宋体;font-size:16px">相位噪声范围yle="font-size:16px">,yle="font-family:宋体;font-size:16px">加速度灵敏度容差等yle="font-size:16px">.yle="font-family:宋体;font-size:16px">现如今随着各行各业对产品用到的石英晶体振荡器越来越多yle="font-size:16px">,yle="font-family:宋体;font-size:16px">不同类型的晶体振荡器层出不穷yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">石英晶体振荡器的空气温度将影响其性能yle="font-size:16px">,TCXOyle="font-family:宋体;font-size:16px">温度补偿晶体振荡器的发展通过调节晶体振动产生的频率来补偿温度的任何变化yle="font-size:16px">,yle="font-family:宋体;font-size:16px">从而帮助解决了这个问题yle="font-size:16px">.yle="font-family:宋体;font-size:16px">这改善了振荡器的性能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">但它不能提供完美的温度稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且仍然存在相当大量的相位噪声等问题yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">而yle="font-size:16px">Blileyyle="font-family:宋体;font-size:16px">高精密yle="font-size:16px">OCXOyle="font-family:宋体;font-size:16px">恒温晶体振荡器可以解决这些问题yle="font-size:16px">.yle="font-family:宋体;font-size:16px">将晶体封闭在一个“烤箱”内yle="font-size:16px">,yle="font-family:宋体;font-size:16px">可以保持特定的温度yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且大大的提高了性能和温度稳定性yle="font-size:16px">,yle="font-family:宋体;font-size:16px">但是这样需要比yle="font-size:16px">TCXOyle="font-family:宋体;font-size:16px">温补晶体振荡器更多的功率yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">选择使用yle="font-size:16px">TCXOyle="font-family:宋体;font-size:16px">温补晶振可以节省功耗yle="font-size:16px">,yle="font-family:宋体;font-size:16px">使用yle="font-size:16px">OCXOyle="font-family:宋体;font-size:16px">恒温晶振可以获得更好的性能yle="font-size:16px">,yle="font-family:宋体;font-size:16px">同时功耗也随之增加yle="font-size:16px">.yle="font-family:宋体;font-size:16px">但是如果选择一款石英晶体振荡器能够结合两者的优势就能够完美解决问题yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">使用低功耗yle="font-size:16px">OCXOyle="font-family:宋体;font-size:16px">系统yle="font-size:16px">(LP-OCXO)yle="font-family:宋体;font-size:16px">使电源控制性能更易于电源可用性有限的应用yle="font-size:16px">.yle="font-family:宋体;font-size:16px">那么什么是yle="font-size:16px">LP-OCXOyle="font-family:宋体;font-size:16px">呢yle="font-size:16px">,yle="font-family:宋体;font-size:16px">它的应用程序yle="font-size:16px">,yle="font-family:宋体;font-size:16px">以及这项新技术将如何成为yle="font-size:16px">RFyle="font-family:宋体;font-size:16px">行业的最佳选择yle="font-size:16px">.

yle="text-indent: 2em"> yle="font-family:宋体;font-size:16px">yle="font-size:18px">有源晶体振荡器主要分为yle="font-size:18px">TCXO,VCXO,OCXO,SPXO,VC-TXCOyle="font-family:宋体;font-size:18px">等多种类型yle="font-size:18px">,yle="font-family:宋体;font-size:18px">根据客户产品使用需求选择yle="font-size:18px">.yle="font-family:宋体;font-size:18px">就像任何其他类型的石英晶体振荡器一样yle="font-size:18px">,VCXOyle="font-family:宋体;font-size:18px">使用来自晶体的振动产生信号yle="font-size:18px">.

yle="text-indent: 2em"> yle="font-size:18px">VCXOyle="font-family:宋体;font-size:18px">压控晶振的独特之处在于使用二极管来调整信号频率yle="font-size:18px">,yle="font-family:宋体;font-size:18px">这一过程称为“拉动”频率yle="font-size:18px">,yle="font-family:宋体;font-size:18px">以百万分率（yle="font-size:18px">ppmyle="font-family:宋体;font-size:18px">）为单位进行测量yle="font-size:18px">.yle="font-family:宋体;font-size:18px">这通常通过在晶体的任一侧放置变容二极管或变容二极管来完成yle="font-size:18px">.yle="font-family:宋体;font-size:18px">这些二极管可以通过在二极管上施加电压而用作可变电容器yle="font-size:18px">,yle="font-family:宋体;font-size:18px">其根据需要“拉”频率yle="font-size:18px">.yle="font-family:宋体;font-size:18px">这被称为“控制电压”或“调制电压”yle="font-size:18px">.yle="font-family:宋体;font-size:18px">由控制电压引起的频率变化量称为偏差yle="font-size:18px">.yle="font-family:宋体;font-size:18px">可以以图形方式测量偏差与控制电压量的关系yle="font-size:18px">,yle="font-family:宋体;font-size:18px">并以称为的格式显示斜率极性或传递函数yle="font-size:18px">.

yle="font-family:宋体;font-size:16px">  台湾嘉硕晶振成立于yle="font-size:16px">1986yle="font-family:宋体;font-size:16px">年yle="font-size:16px">10yle="font-family:宋体;font-size:16px">月yle="font-size:16px">,yle="font-family:宋体;font-size:16px">主要生产销售石英晶体yle="font-size:16px">,yle="font-family:宋体;font-size:16px">压电水晶yle="font-size:16px">,yle="font-family:宋体;font-size:16px">声表面滤波器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">石英晶体振荡器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">温补晶振等产品yle="font-size:16px">.yle="font-family:宋体;font-size:16px">一直以来致力于绿色供应链管理及绿色产品导入yle="font-size:16px">,yle="font-family:宋体;font-size:16px">有效管理限用物质yle="font-size:16px">,yle="font-family:宋体;font-size:16px">所生产的晶振产品均获得yle="font-size:16px">ISO14001yle="font-family:宋体;font-size:16px">国际环保认证标准yle="font-size:16px">.

yle="font-family:宋体;font-size:16px">  以下嘉硕晶体振荡器编码免费收藏yle="font-size:16px">,yle="font-family:宋体;font-size:16px">对应不同封装尺寸yle="font-size:16px">,yle="font-family:宋体;font-size:16px">包括yle="font-size:16px">2520,3225,5032,7050yle="font-family:宋体;font-size:16px">等体积yle="font-size:16px">,yle="font-family:宋体;font-size:16px">满足各种产品需求yle="font-size:16px">.TSTyle="font-family:宋体;font-size:16px">有源晶振低电源电压yle="font-size:16px">,yle="font-family:宋体;font-size:16px">高精度yle="font-size:16px">,yle="font-family:宋体;font-size:16px">耐高温yle="font-size:16px">.yle="font-family:宋体;font-size:16px">统一电子代理yle="font-size:16px">TSTyle="font-family:宋体;font-size:16px">嘉硕晶振yle="font-size:16px">,yle="font-family:宋体;font-size:16px">欢迎咨询选购yle="font-size:16px">0755-27837683.

yle="font-family:宋体;font-size:16px">  微晶晶振集团是在yle="font-size:16px">1978yle="font-family:宋体;font-size:16px">年成立yle="font-size:16px">,yle="font-family:宋体;font-size:16px">主要研发生产yle="font-size:16px">32.768Kyle="font-family:宋体;font-size:16px">音叉表晶yle="font-size:16px">,yle="font-family:宋体;font-size:16px">时钟晶体振荡器yle="font-size:16px">,yle="font-family:宋体;font-size:16px">贴片晶振等产品yle="font-size:16px">,yle="font-family:宋体;font-size:16px">一直以来为广大用户提供了无数高品质晶振yle="font-size:16px">.yle="font-family:宋体;font-size:16px">所生产晶体元件均达到yle="font-size:16px">ROHS,REACHyle="font-family:宋体;font-size:16px">等规范要求yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且获得yle="font-size:16px">ISO9001yle="font-family:宋体;font-size:16px">和yle="font-size:16px">ISO14001yle="font-family:宋体;font-size:16px">国际标准认证yle="font-size:16px">.yle="font-family:宋体;font-size:16px">以下是瑞士微晶yle="font-size:16px">32.768Kyle="font-family:宋体;font-size:16px">音叉晶体编码列表yle="font-size:16px">.

yle="font-size:16px">  32.786Kyle="font-family:宋体;font-size:16px">晶振是个神奇的存在yle="font-size:16px">,yle="font-family:宋体;font-size:16px">大大小小的产品只要与时间yle="font-size:16px">,yle="font-family:宋体;font-size:16px">数字相关的必定少不了它yle="font-size:16px">.yle="font-family:宋体;font-size:16px">在产品中不管是单独使用还是与其他型号的晶振搭配总能发挥最大的价值yle="font-size:16px">.32.768Kyle="font-family:宋体;font-size:16px">晶振从插件模式到贴片模式始终以小型化yle="font-size:16px">,yle="font-family:宋体;font-size:16px">高精度为主要yle="font-size:16px">.

yle="font-family:宋体;font-size:16px">  瑞士yle="color:#808080">微晶晶振小型化yle="font-size:16px">,yle="font-family:宋体;font-size:16px">多元化yle="font-size:16px">,yle="font-family:宋体;font-size:16px">并且具有yle="font-size:16px">7PF,9PF,12.5PFyle="font-family:宋体;font-size:16px">等多种电源电压供应用户选择yle="font-size:16px">.yle="font-family:宋体;font-size:16px">被广泛用于笔记本yle="font-size:16px">,yle="font-family:宋体;font-size:16px">数码电子yle="font-size:16px">,yle="font-family:宋体;font-size:16px">显示屏yle="font-size:16px">,yle="font-family:宋体;font-size:16px">无线蓝牙yle="font-size:16px">,yle="font-family:宋体;font-size:16px">智能手机yle="font-size:16px">,yle="font-family:宋体;font-size:16px">车载系统yle="font-size:16px">,yle="font-family:宋体;font-size:16px">时钟产品等yle="font-size:16px">.

yle="text-indent: 28px; "> yle="font-family:宋体;font-size:16px">在产品中使用晶振yle="font-size:16px">,yle="font-family:宋体;font-size:16px">晶体振荡器让人烦恼的无非就是频率漂移导致的精度不准yle="font-size:16px">.yle="font-family:宋体;font-size:16px">下面统一电子将分析贴片石英晶振频率不稳定的原因yle="font-size:16px">,yle="font-family:宋体;font-size:16px">以及告诉大家yle="font-size:16px">OCXOyle="font-family:宋体;font-size:16px">晶振频率漂移如何解决yle="font-size:16px">.

yle="text-indent: 28px; "> yle="font-family:宋体;font-size:16px">有许多外部因素会对振荡器的预期频率产生负面影响yle="font-size:16px">.yle="font-family:宋体;font-size:16px">仅电路中的变体可以确定应用的频率波动yle="font-size:16px">.yle="font-family:宋体;font-size:16px">例子包括：电路元件yle="font-size:16px">,yle="font-family:宋体;font-size:16px">晶体管参数yle="font-size:16px">,yle="font-family:宋体;font-size:16px">供电电压yle="font-size:16px">,yle="font-family:宋体;font-size:16px">杂散电容yle="font-size:16px">,yle="font-family:宋体;font-size:16px">输出负载yle="font-size:16px">.yle="font-family:宋体;font-size:16px">此外yle="font-size:16px">,yle="font-family:宋体;font-size:16px">这里有yle="font-size:16px">5yle="font-family:宋体;font-size:16px">个常见的因素yle="font-size:16px">,yle="font-family:宋体;font-size:16px">为你的产品应用程序解决频率精度问题yle="font-size:16px">.