style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">为了在实际应用中实现span><span style="font-size:16px">Si534xspan><span style="font-family:宋体;font-size:16px">差分晶振的span><span style="font-size:16px">100fsspan><span style="font-family:宋体;font-size:16px">抖动性能span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">设计人员应该考虑一些简单的准则以最小化串扰并优化整体抖动性能span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">这些准则适用于任何高速时钟晶体振荡器的频率合成span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">每当许多高频span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">快速上升时间span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">大振幅信号彼此接近时span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">都会有一些它们之间的串扰量span><span style="font-size:16px">.Si534xspan><span style="font-family:宋体;font-size:16px">系列差分有源晶振的抖动如此之低span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">以至于以前的串扰相对较小最终测得的输出抖动的重要部分span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">来源某些串扰是由于span><span style="font-size:16px">Si534xspan><span style="font-family:宋体;font-size:16px">器件和一些将由span><span style="font-size:16px">PCBspan><span style="font-family:宋体;font-size:16px">引入span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">很难分配两个源之间的抖动部分span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">因为抖动只能将span><span style="font-size:16px">Si534xspan><span style="font-family:宋体;font-size:16px">晶振安装在span><span style="font-size:16px">PCBspan><span style="font-family:宋体;font-size:16px">上时进行测量span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">本应用笔记提供了简单的准则span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">使设计人员能够优化抖动性能span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">时钟源span><span style="font-size:16px">AHBspan><span style="font-family:宋体;font-size:16px">驱动span><span style="font-size:16px">ARM®Cortexspan><span style="font-family:宋体;font-size:16px">™span><span style="font-size:16px">-M3span><span style="font-family:宋体;font-size:16px">设备上的内核和内存span><span style="font-size:16px">.APBspan><span style="font-family:宋体;font-size:16px">驱动外围设备并外设寄存器span><span style="font-size:16px">.Precision32span><span style="font-family:宋体;font-size:16px">器件上的span><span style="font-size:16px">AHBspan><span style="font-family:宋体;font-size:16px">具有多个时钟源选项：低功耗石英晶体振荡器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">低频石英晶体振荡器span><span style="font-size:16px">,RTCspan><span style="font-family:宋体;font-size:16px">振荡器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">外部振荡器span><span style="font-size:16px">,PLLspan><span style="font-family:宋体;font-size:16px">振荡器和span><span style="font-size:16px">USBspan><span style="font-family:宋体;font-size:16px">振荡器span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-size:16px">APBspan><span style="font-family:宋体;font-size:16px">时钟等于span><span style="font-size:16px">AHBspan><span style="font-family:宋体;font-size:16px">或span><span style="font-size:16px">2span><span style="font-family:宋体;font-size:16px">分频版本span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">因此它始终与span><span style="font-size:16px">AHBspan><span style="font-family:宋体;font-size:16px">时钟同步span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">表span><span style="font-size:16px">1span><span style="font-family:宋体;font-size:16px">描述了可用作span><span style="font-size:16px">AHBspan><span style="font-family:宋体;font-size:16px">总线时钟源的振荡器span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">图span><span style="font-size:16px">1span><span style="font-family:宋体;font-size:16px">显示了一个示例时钟控制框图span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">京瓷晶振集团研发的span><span style="font-size:16px">"span><span style="font-family:宋体;font-size:16px">糖分span><span style="font-size:16px">/span><span style="font-family:宋体;font-size:16px">减重监控器span><span style="font-size:16px">"span><span style="font-family:宋体;font-size:16px">获奖span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">从饮食引起的脉搏波变化与糖分代谢水平之间存在关联这一点出发span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">京瓷首次开发出用陀螺仪传感器测量脉搏波形状的装置span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">其中也采用了京瓷自己的石英晶体,span><span style="font-size:16px">SMDspan><span style="font-family:宋体;font-size:16px">晶振产品span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">以获取测量到的数据显示span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">陀螺仪传感器不但价格低span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">而且电力消耗也很低span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">钮扣电池即可使之运转span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">京瓷贴片晶振则能连接信号获取数据span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">该产品规格小巧操作简单span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">只需将传感器按压在手腕处就能将测量结果传至手机span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">使用时无需抽血检查span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">消除了卫生方面的烦恼span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">便于更频繁精准的监测span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">该产品的普及和广泛利用将有利于预防不良生活习惯造成的疾病、减少医疗费span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">本应用笔记提供了将输出时钟信号连接到span><span style="font-size:16px">Si51xspan><span style="font-family:宋体;font-size:16px">系列的端接建议span><span style="font-size:16px">XO振荡器span><span style="font-family:宋体;font-size:16px">和span><span style="font-size:16px">VCXOICspan><span style="font-family:宋体;font-size:16px">的型号span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">不适用于任何其他span><span style="font-size:16px">Silicon Laboratoriesspan><span style="font-family:宋体;font-size:16px">器件span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-size:16px">Si51xspan><span style="font-family:宋体;font-size:16px">系列任意频率span><span style="font-size:16px">XO,VCXOspan><span style="font-family:宋体;font-size:16px">大大简化了当今许多span><span style="font-size:16px">XOspan><span style="font-family:宋体;font-size:16px">之间的接口连接任务常见的信号类型span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">输出与单端span><span style="font-size:16px">CMOSspan><span style="font-family:宋体;font-size:16px">或差分信号span><span style="font-size:16px">(LVPECL,LVDS,HCSL)span><span style="font-family:宋体;font-size:16px">并支持多种电压电平span><span style="font-size:16px">(3.3span><span style="font-family:宋体;font-size:16px">、span><span style="font-size:16px">2.5span><span style="font-family:宋体;font-size:16px">或span><span style="font-size:16px">1.8V).span><span style="font-family:宋体;font-size:16px">这些设备的框图如图span><span style="font-size:16px">1span><span style="font-family:宋体;font-size:16px">所示span><span style="font-size:16px">.span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:16px">机器人所用到的零部件多种多样span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">包括有源晶体振荡器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">贴片晶振以及工业级晶振span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">滤波器等span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">均选用高品质span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">低功耗span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">高稳定性能的电子元件span><span style="font-size:16px">.span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:16px">哪种晶振最有利于机器人精准识别垃圾分类？我们可以选择日本进口晶振span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">像精工爱普生晶体span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">京瓷晶振span><span style="font-size:16px">,NDK晶振,KDSspan><span style="font-family:宋体;font-size:16px">晶振都是业内较为出名的品牌span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">不仅生产技术先进span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">并且具有完善的服务体系span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">专注于为用户提供高精密高可靠的产品span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">许多现代span><span style="text-indent: 2em; font-size: 16px;">,span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">高速span><span style="text-indent: 2em; font-size: 16px;">,span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">高性能的集成电路span><span style="text-indent: 2em; font-size: 16px;">,span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">如span><span style="text-indent: 2em; font-size: 16px;">MAX104span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">和span><span style="text-indent: 2em; font-size: 16px;">MAX106span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">模数转换器span><span style="text-indent: 2em; font-size: 16px;">(ADC),span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">需要一个工作在span><span style="text-indent: 2em; font-size: 16px;">GHzspan><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">范围内的低相位噪声span><span style="text-indent: 2em; font-size: 16px;">(span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">低抖动span><span style="text-indent: 2em; font-size: 16px;">)span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">时钟span><span style="text-indent: 2em; font-size: 16px;">.span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">传统的石英晶体振荡器可以提供低抖动时钟信号span><span style="text-indent: 2em; font-size: 16px;">,span><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">但通常不能在span><span style="text-indent: 2em; font-size: 16px;">120MHzspan><span style="text-indent: 2em; font-family: 宋体; font-size: 16px;">以上的振荡频率下使用span><span style="text-indent: 2em; font-size: 16px;">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">图span><span style="font-size:16px">1span><span style="font-family:宋体;font-size:16px">示出了典型的高速数据转换器系统的简化框图span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">该系统由带通滤波器span><span style="font-size:16px">,ADC,span><span style="font-family:宋体;font-size:16px">高频时钟span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">高速存储设备和后处理单元组成span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">除span><span style="font-size:16px">MAX104span><span style="font-family:宋体;font-size:16px">外span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">高频时钟在确定高速数据转换器的精度方面起着重要作用span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">这种高频span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">低相位噪声时钟是高频压控振荡器span><span style="font-size:16px">(U1),span><span style="font-family:宋体;font-size:16px">锁相环span><span style="font-size:16px">(U2)span><span style="font-family:宋体;font-size:16px">和晶体振荡器span><span style="font-size:16px">(U3)span><span style="font-family:宋体;font-size:16px">的组合span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">如图span><span style="font-size:16px">2span><span style="font-family:宋体;font-size:16px">所示span><span style="font-size:16px">.span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:16px">摘要：span><span style="font-size:16px">MAX9485span><span style="font-family:宋体;font-size:16px">是一款多功能span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">可编程的音频时钟发生器span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">它由span><span style="font-size:16px">VCXOspan><span style="font-family:宋体;font-size:16px">晶体振荡器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">小数span><span style="font-size:16px">Nspan><span style="font-family:宋体;font-size:16px">分频span><span style="font-size:16px">PLLspan><span style="font-family:宋体;font-size:16px">和span><span style="font-size:16px">Ispan><span style="font-family:宋体;font-size:16px">&sup2;span><span style="font-size:16px">Cspan><span style="font-family:宋体;font-size:16px">接口组成span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">要正确使用span><span style="font-size:16px">MAX9485,span><span style="font-family:宋体;font-size:16px">重要的是span><span style="font-size:16px">VCXOspan><span style="font-family:宋体;font-size:16px">晶振的功率水平不要超过其最大额定值span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">本应用笔记描述了一种测量晶体振荡器功率电平的简单方法span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">并在span><span style="font-size:16px">MAX9485span><span style="font-family:宋体;font-size:16px">上报告测试结果span><span style="font-size:16px">.span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:16px">介绍span>

style=" text-indent: 2em;"> <span style="font-size:16px">MAX9485span><span style="font-family:宋体;font-size:16px">是一款经济高效的可编程多输出音频时钟发生器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">适用于span><span style="font-size:16px">MPEG-2span><span style="font-family:宋体;font-size:16px">或span><span style="font-size:16px">AC-3span><span style="font-family:宋体;font-size:16px">音频系统span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">如span><span style="font-size:16px">DVDspan><span style="font-family:宋体;font-size:16px">播放器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">用于多媒体span><span style="font-size:16px">PCspan><span style="font-family:宋体;font-size:16px">的span><span style="font-size:16px">DVDspan><span style="font-family:宋体;font-size:16px">驱动器span><span style="font-size:16px">,HDTV,span><span style="font-family:宋体;font-size:16px">家庭娱乐中心span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">以及机顶盒span><span style="font-size:16px">.MAX9485span><span style="font-family:宋体;font-size:16px">具有小数span><span style="font-size:16px">Nspan><span style="font-family:宋体;font-size:16px">分频可编程span><span style="font-size:16px">PLL,span><span style="font-family:宋体;font-size:16px">具有两个输出驱动器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">一个具有&plusmn;span><span style="font-size:16px">200PPMspan><span style="font-family:宋体;font-size:16px">牵引范围的span><span style="font-size:16px">VCXOspan><span style="font-family:宋体;font-size:16px">振荡器和一个span><span style="font-size:16px">Ispan><span style="font-family:宋体;font-size:16px">&sup2;span><span style="font-size:16px">Cspan><span style="font-family:宋体;font-size:16px">接口span><span style="font-size:16px">.span>

<span style="font-size:16px;word-spacing:-1.5px">&nbsp; &nbsp;达到下一级别的数据速率并非易事,需要先进,高效和精确的组件.今天的高性能和网络设备正在推动32Gbps和56Gbps之间的串行数据速率.极高的稳定性OCXO晶振,超低抖动span>style="font-size: 16px; word-spacing: -1.5px;">振荡器<span style="font-size:16px;word-spacing:-1.5px">,高效功率电感器和精确的实时时钟可实现更高级的设计,从而实现更高的性能水平.如下表格所列举的互联网应用中Abracon各部件所发挥的作用.span>

<span style="font-family:宋体;font-size:16px">&nbsp; 日本爱普生是专业生产销售span><span style="font-size:16px">32.768Kspan><span style="font-family:宋体;font-size:16px">晶体span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">石英晶体振荡器span><span style="font-size:16px">,SMDspan><span style="font-family:宋体;font-size:16px">晶振的知名制造商span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">凭借优异的产品质量发展至今span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">在世界各地均设有生产基地以及销售据点span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">统一电子就是其中代理之一span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">下面统一电子介绍span><span style="font-size:16px">EPSONspan><span style="font-family:宋体;font-size:16px">晶体振荡器类型和抖动性能span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">欢迎广大用户阅读点评span><span style="font-size:16px">.span>

<span style="font-family:宋体;font-size:16px">&nbsp; 除了span><span style="font-size:16px">SAWspan><span style="font-family:宋体;font-size:16px">振荡器之外还有各种振荡器span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">控制span><span style="font-size:16px">FPGAspan><span style="font-family:宋体;font-size:16px">性能的抖动性能取决于振荡器的类型span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">考虑到span><span style="font-size:16px">FPGAspan><span style="font-family:宋体;font-size:16px">的运行稳定性span><span style="font-size:16px">,EPSPONcrystalspan><span style="font-family:宋体;font-size:16px">公司推荐具有低抖动特性的span><span style="font-size:16px">SAWspan><span style="font-family:宋体;font-size:16px">振荡器span><span style="font-size:16px">.span>

<span style="font-size:16px">统一电子爱普生晶振代理商为大家分析爱普生推荐AVRRF芯片的时钟解决方案建议.欢迎广大用户收藏选用以下技术资料.span><span style="font-size: 16px;">在实现低功耗RF设计时,应考虑以下因素.span><span style="font-size: 16px;">1.振荡启动时间span><span style="font-size: 16px;">2.频率调谐span><span style="font-size: 16px;">3.在工作温度范围内降低BER(误码率)span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:18px">爱普生晶振作为业内的佼佼者span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">从研发生产到批量出货始终如一的为客户提供最优质的服务span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">拥有大量长期稳定合作伙伴span><span style="font-size:18px">.span><span style="font-family:宋体;font-size:18px">统一电子代理span><span style="font-size:18px">EPSONspan><span style="font-family:宋体;font-size:18px">晶振span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">提供石英晶体span><span style="font-size:18px">,32.768Kspan><span style="font-family:宋体;font-size:18px">晶振span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">石英晶体振荡器以及温补晶振等产品span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">各种封装尺寸齐全span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">质量稳定span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">支持技术服务以及产品解决方案span><span style="font-size:18px">.span>

style=" text-indent: 2em;"> <span style="font-family:宋体;font-size:18px">以下是统一电子所整理的span><span style="font-size:18px"><span>EPSONspan>span><span style="font-family:宋体;font-size:18px"><span>晶振span>的包装以及无源产品编号表示法span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">供应广大用户参考span><span style="font-size:18px">.span><span style="font-family:宋体;font-size:18px">对于span><span style="font-size:18px">SMDspan><span style="font-family:宋体;font-size:18px">产品span><span style="font-size:18px">,span><span style="font-family:宋体;font-size:18px">推荐包装质量如下表所述span><span style="font-size:18px">.span><span style="font-family:宋体;font-size:18px">请根据包装数量进行订购span><span style="font-size:18px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">台晶的制造技术以及封装技术一直在提高span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">技术的提升制造了小体积的span><span style="font-size:16px">MHZspan><span style="font-family:宋体;font-size:16px">石英晶体span><span style="font-size:16px">1.6x1.2mmspan><span style="font-family:宋体;font-size:16px">封装span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">一般体积较大的石英贴片晶振可以轻松的处理高达span><span style="font-size:16px">1mWspan><span style="font-family:宋体;font-size:16px">的驱动电平span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">而晶振体积减小之后呢span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">晶体的功耗降低了span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">使用电力也减少了span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">下面统一电子介绍到的是span><span style="font-size:16px">TXCspan><span style="font-family:宋体;font-size:16px">小尺寸span><span style="font-size:16px">MHZspan><span style="font-family:宋体;font-size:16px">石英晶体的低驱动水平讲解span>

style="text-indent: 2em"> <span style="font-size:16px">TXCspan><span style="font-family:宋体;font-size:16px">晶振公司在制造和包装方面的进步技术制造了小尺寸的span><span style="font-size:16px">MHzspan><span style="font-family:宋体;font-size:16px">石英晶体可用低至span><span style="font-size:16px">1612span><span style="font-family:宋体;font-size:16px">贴片封装span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">这在以前的技术是无法达到的span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">小型便捷式设备span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">如智能手机屏幕越来越宽span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">厚度也越来越薄span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">对于机身的要求没有改小span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">但是在对于内部零件以及使用性能要求越来越高span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-family:宋体;font-size:16px">手机设备供应商继续要求更小和更高性能的组件span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">零部件供应商继续通过迎接挑战重塑自我span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">较大的一般尺寸的石英贴片晶振可以处理驱动水平容易达到span><span style="font-size:16px">1mW.span><span style="font-family:宋体;font-size:16px">随着span><span style="font-size: 16px;">Sspan><span style="font-size: 16px;">MDspan><span style="font-family:宋体;font-size:16px"><span>晶振span>尺寸的下降span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">水晶散装材料可以处理越来越少的电力span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">对于最小尺寸的石英晶体span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">供应商通常指定最低span><span style="font-size:16px">100mWspan><span style="font-family:宋体;font-size:16px">的最大驱动电平和建议说span><span style="font-size:16px">10mWspan><span style="font-family:宋体;font-size:16px">驱动电平正常使用span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">适当操作驱动器会出现什么级别超过最大驱动器级别规范span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">供应商通常会定性地回应石英晶体可能会看到过度老化span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">可能会看到频率扰动span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">并可能在最严重的情况下出现破碎情况span><span style="font-size:16px">.span>

style="text-indent: 2em"> <span style="font-size:16px">2.span><span style="font-family:宋体;font-size:16px">小体积span><span style="font-size:16px">TXCspan><span style="font-family:宋体;font-size:16px">晶振span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">小尺寸贴片晶振span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">仍在存在主要使用“单一”方法制造（span><span style="font-size:16px">inspan><span style="font-family:宋体;font-size:16px">与span><span style="font-size:16px">CSPspan><span style="font-family:宋体;font-size:16px">和span><span style="font-size:16px">WLPspan><span style="font-family:宋体;font-size:16px">方法相比span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">市场上最小的石英晶体不是必需的最高的体积和最具成本效益span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">小尺寸通常包括密封的石英晶体三个关键部件span><span style="font-size:16px">-span><span style="font-family:宋体;font-size:16px">高温共燃陶瓷（span><span style="font-size:16px">HTCCspan><span style="font-family:宋体;font-size:16px">）底座span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">镀镍可伐金属盖span><span style="font-size:16px">,span><span style="font-family:宋体;font-size:16px">和石英晶体span><span style="font-size:16px">.span><span style="font-family:宋体;font-size:16px">石英晶体供应商收到陶瓷基底通常呈片状阵列形式span><span style="font-size:16px">.span><span style="text-indent:2em">span><span style="text-indent:2em">span><span style="text-indent:2em">span><span style="text-indent:2em">span><span style="text-indent:2em">span><span style="text-indent:2em">span>