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EPSON爱普生晶振,X1M0003610001,6G模块晶振,XG-2103CA石英差分振荡器,尺寸为7.0*5.0mm,频率为212.5MHZ,输出逻辑LVDS,OSC差分晶振,差分晶体振荡器,EPSON差分晶振,差分晶振LVDS,低电压差分振荡器,低相位差分晶振,高频差分晶振,低损耗差分振荡器,6G光模块差分晶振,差分贴片晶振,6G路由器差分晶振,无线设备差分晶振,产品具备低电压电相位的特点。
差分晶振优点是抗干扰能力强,缺点是布线需注意。
1)电平幅度大,信号高低电平之间的转换时间长,不适用于传输频率达到100MHZ以上的信号
2)输出信号为单端信号(一条线),传输路径受到干扰,不利于长线传输
3)功耗大,大家都知道TTL器件的静态功耗较大,即使静态功耗小的CMOS器件,由于电平摆幅宽,其动态功耗也偏大。EPSON爱普生晶振,X1M0003610001,6G模块晶振,XG-2103CA石英差分振荡器.
EPSON爱普生晶振C-2,Q12C20001000600水晶振动子是一款尺寸为2060mm的无源晶振,圆柱晶振,插件晶体,采用高超的生产技术结合优异的原料精心制作而成,并是由杰出的爱普生公司打磨出来的产品,其独特性能以及耐压性能说明了爱普生公司对于晶体产品的了解十分深刻,同时见证了其在行业之中最为辉煌的时刻。
Q12C20001003300晶振产品本身具备优良的耐热性,耐环境特性,产品被广泛用于在办公自动化,家电领域,移动通信领域可发挥优良的电气特性,符合无铅标准,满足无铅焊接的回流温度曲线要求,金属外壳的石英晶振使得产品在封装时能发挥比陶瓷晶振外壳更好的耐冲击性能.
当贴片晶振融入到智能家居已成为无处不在,智能化家居可能会成为未来的大热门之一,传统家电对生活所需变得越来越吃力,不断创新才是一个企业强健发展之路,晶振被广泛使用于各种高端智能化设备中,比较高档家居产品.近几年全球科技日益发展,慢慢的让人类的生活进入了智能家居的时代,智能家居要求人们所使用的所有东西都要求智能化,人们只需要简单的操作一下就可以自动化的完成所需要的内容,这就是智能家居的体现。
目前信息家电中至关重要的技术设备,与目前使用众多的有线电视机顶盒在功能上有着明显区别:有线电视机顶盒是一个普通的调谐器和解码器,仅用于接收解码有线电视信号,常常使用有源晶振进行信号的交互作用。而网络机顶盒则成为广大网络用户接收大量电影,多媒体事件,新闻等联机数据库的一个控制终端,对电视和网络交互式发展具有重要的意义.
Manufacturer Part Number 原厂编码 |
Manufacturer厂家 | Description 参数 | Series型号 | Type 系列 | Frequency |
CM13032768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM130 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM13032768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM130 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM13032768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM130 | kHz Crystal (Tuning Fork) | 32.768kHz |
CFS-20632768DZBB | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF T/H | CFS-206 | kHz Crystal (Tuning Fork) | 32.768kHz |
CFS-20632768DZFB | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF T/H | CFS-206 | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMR200T32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CMR200T | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768AZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768AZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768AZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
说到机顶盒谁都知道,就是用来接收电视信号频率的,目前大部分家里用的都是机顶盒,当然有的是靠卫星来接收信号频率的,不过相对和机顶盒比起来是要便宜许多的,但是效果就没有那么明显了,之前家里装的就是这种特别的麻烦,于其是在装的时候必须要找准方位,在这方面就要花个半小时那还得看你的技术,一般我们不专业的花上几个小时也未必能做到,可想而知有多难了。
HCM4920000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 20.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 20MHz |
HCM4920000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 20.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 20MHz |
HCM4920000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 20.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 20MHz |
HCM498000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 8.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 8MHz |
HCM498000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 8.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 8MHz |
HCM498000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 8.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 8MHz |
HCM493686400ABJT | Citizen Finedevice Co Ltd | CRYSTAL 3.6864MHZ 18PF SMD | HCM49 | MHz Crystal | 3.6864MHz |
HCM493686400ABJT | Citizen Finedevice Co Ltd | CRYSTAL 3.6864MHZ 18PF SMD | HCM49 | MHz Crystal | 3.6864MHz |
HCM493686400ABJT | Citizen Finedevice Co Ltd | CRYSTAL 3.6864MHZ 18PF SMD | HCM49 | MHz Crystal | 3.6864MHz |
HCM4910000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 10.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 10MHz |
HCM4910000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 10.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 10MHz |
HCM4910000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 10.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 10MHz |
HCM497372800ABJT | Citizen Finedevice Co Ltd | CRYSTAL 7.3728MHZ 18PF SMD | HCM49 | MHz Crystal | 7.3728MHz |
HCM497372800ABJT | Citizen Finedevice Co Ltd | CRYSTAL 7.3728MHZ 18PF SMD | HCM49 | MHz Crystal | 7.3728MHz |
HCM497372800ABJT | Citizen Finedevice Co Ltd | CRYSTAL 7.3728MHZ 18PF SMD | HCM49 | MHz Crystal | 7.3728MHz |
HCM494000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 4.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 4MHz |
HCM494000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 4.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 4MHz |
HCM494000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 4.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 4MHz |
HCM4911059200ABJT | Citizen Finedevice Co Ltd | CRYSTAL 11.0592MHZ 18PF SMD | HCM49 | MHz Crystal | 11.0592MHz |
HCM4911059200ABJT | Citizen Finedevice Co Ltd | CRYSTAL 11.0592MHZ 18PF SMD | HCM49 | MHz Crystal | 11.0592MHz |
HCM4911059200ABJT | Citizen Finedevice Co Ltd | CRYSTAL 11.0592MHZ 18PF SMD | HCM49 | MHz Crystal | 11.0592MHz |
HCM4924000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 24MHz |
据了解机顶盒与卫星接收器内部都有一颗用来接收频率的电子元件,称之为石英晶振,可别小看了这颗晶振就算你的产品再好再高科技如果少了它,就会收不到一点信号,当然机顶盒质量也有分好和差,要求比较高的机顶盒那么厂家就会采购比较好的晶振,相对而言晶振也是有分品类的,就算是用在机顶盒里的也有分插件晶振和贴片晶振,当然也品牌区分的进口晶振品牌的有(SEIKO精工晶振,EPSON爱普生晶振,TXC晶振,CITIZEN西铁城晶振)用进口品牌的厂家还是比较多的。
就算再好的智能电视你还是离不开盒子,前市场上的智能电视动辄上万元的价格,还是吓住了很多消费者。出乎意料的是,出现于网购市场,以往鲜有人问津的网络机顶盒却因其低廉的价格及能让普通电视“变身”智能电视两大特点,吸引了许多热衷于网络、对智能电视渴望触及的人们。未来是智能电视还是盒子的天下?带着这样的疑问,我们不妨对二者进行一下客观可行的分析研究。
HCM4924000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 24MHz |
HCM4924000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 24MHz |
HCM4912000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 12.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 12MHz |
HCM4912000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 12.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 12MHz |
HCM4912000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 12.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 12MHz |
HCM4925000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 25MHz |
HCM4925000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 25MHz |
HCM4925000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | HCM49 | MHz Crystal | 25MHz |
HCM4918432000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 18.4320MHZ 18PF SMD | HCM49 | MHz Crystal | 18.432MHz |
HCM4918432000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 18.4320MHZ 18PF SMD | HCM49 | MHz Crystal | 18.432MHz |
HCM4918432000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 18.4320MHZ 18PF SMD | HCM49 | MHz Crystal | 18.432MHz |
CMJ206T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMJ206T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMJ206T32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMJ206T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMJ206T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CMJ206T32768DZBT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 6PF SMD | CMJ206T | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZCT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 9PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZCT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 9PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZCT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 9PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
智能电视,简单的理解就是电视厂家在液晶电视内集成了一个安卓系统,使之可以在电视后面插入一根网线进行网络播放(当然它也是支持wifi的)。通俗来说就是内置安卓,智能电视集成的安卓系统,他就只是简单的集成,和外置基本没有区别。(当然如此高端的智能电视也离不开声表面滤波器了)是不是很多人会想像如此高端的智能电视那里面所用的电子元件也是价值不菲了。
其实,眼下很多关于智能电视的广告宣传存在很大的误导性,可谓偷换概念、避重就轻。大家都知道,电视机的主要硬件是显示屏,一块好一点的显示屏使用寿命大概是5-8年,也就是说,一般用户在10年内是不会出现二换、或三换电视机的。但是问题就出现了,智能电视内置的安卓系统,就像内置了一个网络机顶盒,虽然功能是一样的,但是智能电视里面的内置系统基本不具备升级功能!但是,众所周知,网络机顶盒却是电子消费品,产品解决方案和功能更新换代的速度是很快的.
CM315D32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM315D32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM315D | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CM200C32768EZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM200C | kHz Crystal (Tuning Fork) | 32.768kHz |
CS325S24000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | CS325S | MHz Crystal | 24MHz |
CS325S24000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | CS325S | MHz Crystal | 24MHz |
CS325S24000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 24.0000MHZ 18PF SMD | CS325S | MHz Crystal | 24MHz |
CS325S25000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | CS325S | MHz Crystal | 25MHz |
CS325S25000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | CS325S | MHz Crystal | 25MHz |
CS325S25000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 25.0000MHZ 18PF SMD | CS325S | MHz Crystal | 25MHz |
CS325S27000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 27.0000MHZ 18PF SMD | CS325S | MHz Crystal | 27MHz |
CS325S27000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 27.0000MHZ 18PF SMD | CS325S | MHz Crystal | 27MHz |
CS325S27000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 27.0000MHZ 18PF SMD | CS325S | MHz Crystal | 27MHz |
CS325S16000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 16.0000MHZ 18PF SMD | CS325S | MHz Crystal | 16MHz |
CS325S16000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 16.0000MHZ 18PF SMD | CS325S | MHz Crystal | 16MHz |
CS325S16000000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 16.0000MHZ 18PF SMD | CS325S | MHz Crystal | 16MHz |
CS325S28636300ABJT | Citizen Finedevice Co Ltd | CRYSTAL 28.6363MHZ 18PF SMD | CS325S | MHz Crystal | 28.6363MHz |
CS325S28636300ABJT | Citizen Finedevice Co Ltd | CRYSTAL 28.6363MHZ 18PF SMD | CS325S | MHz Crystal | 28.6363MHz |
CS325S28636300ABJT | Citizen Finedevice Co Ltd | CRYSTAL 28.6363MHZ 18PF SMD | CS325S | MHz Crystal | 28.6363MHz |
CS325S13560000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 13.5600MHZ 18PF SMD | CS325S | MHz Crystal | 13.56MHz |
CS325S13560000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 13.5600MHZ 18PF SMD | CS325S | MHz Crystal | 13.56MHz |
CS325S13560000ABJT | Citizen Finedevice Co Ltd | CRYSTAL 13.5600MHZ 18PF SMD | CS325S | MHz Crystal | 13.56MHz |
CFS-20632768HZFB | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF T/H | CFS-206 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZFT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 12.5PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
CM51932768DZYT | Citizen Finedevice Co Ltd | CRYSTAL 32.7680KHZ 7PF SMD | CM519 | kHz Crystal (Tuning Fork) | 32.768kHz |
康华尔电子是专业生产贴片晶振,有源晶振等专业晶振产品的厂家。保证货期,保证质量,保证价格,绝不会让客户多花一分钱。
据了解机顶盒与卫星接收器内部都有一颗用来接收频率的电子元件,称之为石英晶振,可别小看了这颗晶振就算你的产品再好再高科技如果少了它,就会收不到一点信号,当然机顶盒质量也有分好和差,要求比较高的机顶盒那么厂家就会采购比较好的晶振,相对而言晶振也是有分品类的,就算是用在机顶盒里的也有分插件晶振和贴片晶振,当然也品牌区分的进口晶振品牌的有(SEIKO精工晶振,EPSON爱普生晶振,TXC晶振,CITIZEN西铁城晶振)用进口品牌的厂家还是比较多的。