解析差分晶振的作用及其独特的特点

时间： 2024-10-15 来源：赛思官网

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在科技的世界中，无论是通讯设备还是各种电子设备，精确的时间基准都是其正常运行的基础。而在这个领域内，差分晶振（也被称为数字定时器）扮演着至关重要的角色。那么，究竟什么是差分晶振？它又有哪些独特的特点呢？本文中赛思就来为大家介绍，希望对各位工程师朋友有所帮助。

差分晶振的定义与作用

首先，我们来深入了解一下差分晶振。简单来说，差分晶振是一种使用数字信号处理技术实现精确时间计量的石英晶体振荡器。它的工作原理是通过测量输入信号和输出信号之间的相位差，从而计算出准确的时间间隔。这种方法相比于传统的模拟电路方式，能够提供更高的精度和稳定性。

差分晶振的主要特点

1. 高精度：差分晶振由于采用的是先进的数字信号处理技术，因此其精度远超传统的模拟定时器。这使得它在需要极高精确度的应用中，如网络通信、雷达系统等，有着无可替代的优势。

2. 稳定性强：差分晶振的另一个显著特点是稳定性高。由于其内部结构复杂，设计精细，能够在各种环境条件下保持稳定的工作状态，即使在温度变化、电源噪声等干扰因素影响下，也能维持较高的精度。

3. 体积小、功耗低：现代的差分晶振通常采用小型化设计，尺寸小且集成度高，因此在空间有限的设备中能够得到广泛应用。同时，其低功耗的设计也使得它在电池供电的设备中有着良好的表现。

结论

总的来说，差分晶振作为精密时间基准器的一种重要形式，凭借其高精度、稳定性强以及体积小功耗低的特点，已经成为现代科技中的不可或缺的部分。在未来的发展中，随着科技的进步和需求的变化，我们有理由相信，差分晶振将会有更多的应用场景和发展可能性。

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本文由Vicky转载自赛思官网，原文标题为:什么是差分晶振？它又有哪些独特的特点呢？，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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K,SMCJ58CA,HLT20N10,HLS20150K,SMDJ7.5CA,SMD1206-301,RS2MB,MF52□□□4300,5.0SMDJ17CA,1.5KE18CA,ESD3V3APB,14D201KJ,3R200S-5X7.6,5KP60CA,HLT15N03C,5.0SMDJ70CA,YAZ2D150,HLT20N06,HLS90N60PF5,SMCJ33A,7D K系列,HLT30ND03PF4,20D751KJ,20D751KH,SMD1206-050-24V,YC2M1012B121FBP,3R470L-6X8,L SERIES,20D K SERIES,S3MC,S3MB,ES5DC,HLT20N15,HLS250N80,YAZ2D140,14D301K,SA6.5A,S3MF,5.0SMDJ33CA,P0640S,SA36CA,SMBJ,HLS90N30PF5,SMDJ20CA,SMF6.0A,HLR30U03,HLS130N85,LB SERIES,HLR30U02,HLR30U04,3D-13,RS1G,HLR30U06,RS1D,7D681KJ,3D-11,ESDLC5V0D8B,RS1B,YAZ2D170,20D361K,SMD1210-020-30V,HLS8060K,RS1A,P8S

选型指南 - 音特电子 - 2021/10/18 PDF 中文下载

（Hosonic）鸿星鸿星科技（集团）股份有限公司，成立于1993年，专业从事石英晶体谐振器、石英晶体振荡器等频率控制元器件的研发、生产和销售，是全球知名石英晶体元器件生产商。公司产品为电路提供基准频率信号，属于计时、频率控制等各类电子设备的关键基础元器件。公司产品广泛应用于通讯电子、智能家居、汽车电子、消费电子、医疗电子、工业控制、智能安防等领域。

石英晶体谐振器热敏晶体谐振器音叉型石英晶体谐振器普通石英晶体振荡器差分型石英晶体振荡器压控石英晶体振荡器 KHz Oscillators 温度补偿型晶体振荡器

授权代理商 - 世强先进（深圳）科技股份有限公司线上商城技术资料

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YXC无源晶振【选型篇】

晶振是一种能够产生时钟频率信号的关键元件。无源晶振的工作原理基于石英的压电效应。在石英水晶片的两边镀上电极，当在两电极上加一定的电压时，由于石英的压电效应会产生形变，从而给IC提供一个正弦波形。这个正弦波形经过IC的内部整形和PLL（锁相环）电路后，产生方波，然后输入给下级电路。无源晶振必须结合外围电路构成一个振荡器才能输出特定频率的信号，而这个振荡器需要外部电源提供驱动电流。

器件选型发布时间 : 2024-10-27

晶光华（JGHC）晶振选型指南（中文）

目录- 石英晶体谐振器时钟晶振热敏晶振普通振荡器(Oscillator) 压控振荡器（VCXO）温补振荡器（TCXO）恒温振荡器（OCXO） 32.768KHZ振荡器

型号- MC146,VCXO3225,SMD5032,OCXO1612,SMD2520,SMD3215,M49SSMD,OSC1612,TCXO1612,OCXO2520,2520,Y206,OSC2520,TCXO2520,HC-49SBSMD,VCXO7050,VCXO5032,TCXO5032,GLASS3225,HC-49SSMD,SMD2012,Y308,OSC7050,SMD3225,SMD2016,OSC5032,SMD1612,OSC2016,GLASS5032,TCXO2016,GLASS8045,OSC3225,TCXO3225,OCXO2016,HC-49S

选型指南 - 晶光华 - 2019年 PDF 中文下载

研讨会2024时钟及晶振新技术研讨会

12月19日在线直播，带来超高精度恒温晶振、超低功耗时钟发生器、车规认证RTC、低抖动高频差分晶振、低功耗实时时钟模块等最前沿的新技术新产品

活动发布时间 : 2024-10-25

星通时频（SCTF）有源晶振选型表

目录- 有源晶振

型号- S7D27.120000D20F30T,S7D3.686400A20F30T,S3D30.000000D20F30T,S5D49.152000A20F30T,S3D49.152000D20F30T,S7D32.000000A20F30T,S7D27.000000B20F30T,S7D16.000000D20F30T,S5D32.000000D20F30T,S3D19.200000A20F30T,S3D50.000000B20F30T,S3D1.843200A20F30T,S7D36.000000B20F30T,S3D11.289600A20F30T,S5D4.096000A20F30T,S7D28.636360D20F30T,S7D11.059200B20F30T,S3D2.048000A20F30T,S5D7.372800D20F30T,S3D6.000000A20F30T,S5D25.000000B20F30T,S7D5.000000D20F30T,S3D4.096000B20F30T,S5D32.768KD20F30T,S5D33.000000D20F30T,S3D12.288000B20F30T,S7D2.000000A20F30T,S3D18.432000A20F30T,S5D29.491200B20F30T,S7D26.000000D20F30T,S7D33.330000B20F30T,S7D54.000000B20F30T,S3D2.457600D20F30T,S5D3.579545B20F30T,S7D4.915200D20F30T,S7D25.000000D20F30T,S5D2.000000D20F30T,S3D48.000000A20F30T,S5D16.000000B20F30T,S3D32.000000B20F30T,S7D8.192000D20F30T,S5D1.000000D20F30T,S5D3.686400B20F30T,S3D32.768KD20F30T,S5D4.000000B20F30T,S5D30.000000A20F30T,S7D4.000000A20F30T,S7D22.118400A20F30T,S3D13.560000A20F30T,S7D45.000000D20F30T,S7D33.333300D20F30T,S3D14.318180B20F30T,S3D22.579200A20F30T,S5D12.288000A20F30T,S7D4.000000D20F30T,S7D1.843200B20F30T,S3D33.000000B20F30T,S7D14.745600B20F30T,S3D48.000000D20F30T,S5D10.000000A20F30T,S5D7.372800B20F30T,S5D26.000000B20F30T,S5D49.1520000B20F30T,S7D54.000000D20F30T,S5D2.000000B20F30T,S7D6.000000D20F30T,S5D24.000000B20F30T,S7D27.000000D20F30T,S7D29.491200B20F30T,S5D22.118400A20F30T,S7D19.200000B20F30T,S3D20.000000A20F30T,S7D14.318180A20F30T,S7D6.144000A20F30T,S5D14.745600B20F30T,S7D8.000000B20F30T,S3D10.000000A20F30T,S3D24.000000B20F30T,S7D1.024000B20F30T,S7D33.000000A20F30T,S3D36.000000A20F30T,S3D4.915200A20F30T,S7D8.192000B20F30T,S7D33.333300B20F30T,S5D4.915200B20F30T,S7D16.000000B20F30T,S5D25.000000D20F30T,S3D2.457600A20F30T,S7D45.000000B20F30T,S3D32.000000D20F30T,S7D1.843200D20F30T,S7D5.000000B20F30T,S5D12.000000A20F30T,S5D50.000000D20F30T,S3D8.000000D20F30T,S3D18.432000D20F30T,S3D20.000000D20F30T,S3D3.579545A20F30T,S7D14.745600D20F30T,S5D1.000000A20F30T,S5D24.000000D20F30T,S7D6.000000B20F30T,S7D49.152000A20F30T,S5D24.576000A20F30T,S5D40.000000A20F30T,S7D16.384000B20F30T,S5D12.288000D20F30T,S7D32.768KB20F30T,S5D27.000000B20F30T,S3D14.318180D20F30T,S7D29.491200D20F30T,S7D8.192000A20F30T,S5D33.333000A20F30T,S3D2.048000D20F30T,S5D3.579545D20F30T,S5D1.000000B20F30T,S5D16.384000B20F30T,S3D26.000000A20F30T,S5D6.000000B20F30T,S3D3.686400B20F30T,S5D2.048000B20F30T,S5D13.560000B20F30T,S5D14.745600D20F30T,S5D11.289600A20F30T,S5D28.636360D20F30T,S3D16.000000B20F30T,S3D25.000000B20F30T,S7D3.686400D20F30T,S5D2.000000A20F30T,S5D19.200000A20F30T,S5D22.579200B20F30T,S7D30.000000A20F30T,S3D11.289600D20F30T,S7D32.768KD20F30T,S5D4.000000D20F30T,S7D4.096000B20F30T,S5D7.372800A20F30T,S5D4.096000D20F30T,S7D5.000000A20F30T,S7D2.457600D20F30T,S7D4.000000B20F30T,S3D33.330000A20F30T,S3D33.333000B20F30T,S5D32.000000A20F30T,S7D50.000000D20F30T,S5D12.288000B20F30T,S3D1.843200D20F30T,S5D36.000000B20F30T,S5D6.144000A20F30T,S3D24.000000D20F30T,S7D11.059200D20F30T,S7D24.576000A20F30T,S3D7.372800B20F30T,S3D33.333000A20F30T,S7D1.000000A20F30T,S3D10.000000B20F30T,S5D24.576000D20F30T,S5D13.560000A20F30T,S5D16.384000A20F30T,S5D2.048000A20F30T,S5D40.000000D20F30T,S5D22.579200A20F30T,S3D27.000000A20F30T,S5D6.144000B20F30T,S3D12.000000A20F30T,S3D14.318180A20F30T,S5D49.1520000D20F30T,S5D6.000000A20F30T,S7D14.745600A20F30T,S7D33.330000A20F30T,S3D22.579200D20F30T,S3D26.000000B20F30T,S5D20.000000D20F30T,S5D24.000000A20F30T,S3D13.560000D20F30T,S5D48.000000A20F30T,S3D7.372800D20F30T,S3D11.059200A20F30T,S7D4.915200B20F30T,S5D32.768KB20F30T,S5D5.000000B20F30T,S3D12.288000D20F30T,S3D27.000000D20F30T,S3D8.192000A20F30T,S3D12.000000B20F30T,S3D10.000000D20F30T,S5D36.000000A20F30T,S5D30.000000B20F30T,S5D8.000000A20F30T,S3D25.000000D20F30T,S5D18.432000B20F30T,S7D40.000000A20F30T,S7D14.318180D20F30T,S7D54.000000A20F30T,S5D19.200000B20F30T,S5D48.000000D20F30T,S3D22.118400A20F30T,S3D49.1520000B20F30T,S7D50.000000A20F30T,S5D8.000000D20F30T,S3D22.118400D20F30T,S7D4.096000A20F30T,S3D29.491200A20F30T,S3D33.333000D20F30T,S5D5.000000D20F30T,S5D18.432000A20F30T,S5D20.000000A20F30T,S5D8.000000B20F30T,S3D16.000000A20F30T,S5D16.384000D20F30T,S5D6.144000D20F30T,S3D33.333300A20F30T,S5D33.000000A20F30T,S5D28.636360B20F30T,S5D32.000000B20F30T,S7D33.330000D20F30T,S3D29.491200B20F30T,S3D3.686400A20F30T,S3D12.000000D20F30T,S7D4.915200A20F30T,S3D22.118400B20F30T,S5D33.000000B20F30T,S5D28.636360A20F30T,S5D6.000000D20F30T,S5D30.000000D20F30T,S7D2.457600B20F30T,S3D1.843200B20F30T,S5D48.000000B20F30T,S3D33.333300B20F30T,S7D2.000000B20F30T,S7D11.289600A20F30T,S7D12.288000B20F30T,S7D50.000000B20F30T,S3D4.915200B20F30T,S3D1.000000A20F30T,S3D6.144000A20F30T,S7D8.000000A20F30T,S7D33.333000D20F30T,S5D19.200000D20F30T,S5D14.745600A20F30T,S3D49.1520000A20F30T,S5D29.491200A20F30T,S3D13.560000B20F30T,S3D16.384000B20F30T,S3D22.579200B20F30T,S3D5.000000B20F30T,S7D2.457600A20F30T,S7D19.660800D20F30T,S7D22.118400B20F30T,S5D33.333000B20F30T,S3D14.745600D20F30T,S5D20.000000B20F30T,S3D26.000000D20F30T,S5D16.000000A20F30T,S7D7.37

选型指南 - 星通时频 PDF 中文下载

陕西东芯恒科电子（DonXern）有限公司是由深圳市东兴发展电子有限公司和深圳市晶冠恒电子有限公司合并而成，是集石英晶振全系列规格型号的研发、设计、制造销售和服务为一体的国家高新技术企业，公司的主营产品包括石英晶体谐振器、晶体滤波器、振荡器等电子元器件及制品，同时可提供高端介质滤波器,声表滤波器和陶瓷滤波器等频率元器件。

晶振晶体振荡器晶体谐振器有源晶振可编程晶振陶瓷晶振车规级晶振时钟晶振晶体滤波器

授权代理商 - 世强先进（深圳）科技股份有限公司线上商城技术资料

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差分晶振：汽车领域和光模块的核心组件

应用背景在今天的信息科技发展中，光模块和差分晶振是光纤通信的核心组件之一。光模块将设备的电信号转换为光信号，通过光纤传输，在接收端再次转换为电信号。特别是在汽车领域，随着汽车智能化、网联化的不断发展，对高速、稳定的数据传输需求日益增长。差分晶振作为一种高精度、低抖动的频率源，为车载通信系统、导航系统、影音系统、雷达系统等关键部件提供了可靠的时钟参考。

器件选型发布时间 : 2024-10-22

国内专业的石英晶体谐振器及振荡器生产商——星通时频（ SCTF）

星通时频（SCTF）成立于2003年，专注于石英晶体谐振器、振荡器的研发生产，拥有世界先进的生产、检验设备以及万级净化车间，产品线齐全，包含DIP和SMD，无源和有源晶振。星通时频（SCTF）通过了IS09001、IS014001和IATF16949国际标准化管理体系，产品通过最新ROHS/REACH认证，广泛应用于网络通信、智能电网、智能安防、汽车电子、工业自动化、金融支付、消费电子产品等领域。

品牌简介发布时间 : 2021-09-13

应达利（Interquip）石英晶体谐振器/振荡器选型指南（详细版）

目录- COMPANY PROFILE Quartz Crystal Resonators Application introduction SMD Seam Welded Quartz Crystal Resonators with Built-in Thermlstor AT-CUT Quartz Crystal Resonators SMD Ceramic to Metal Quartz Crystal Resonators SMD All Ceramic Quartz Crystal Resonator SMD Seam Welded Quartz Crystal Resonators SMD Tuning Fork Crystal Resonators SMD Voltage Controlled Quartz Crystal Oscillator SMD Temperature Compensated Quartz Crystal Oscillators Ultra-Low Phase Noise Quartz Crystal Oscillators SMD Ceramic Enclosure Quartz Crystal Oscillators Programmable SMD Ceramic Enclosure Quartz Crystal Oscillators

型号- 165-B SERIES,HC-49S SERIES,SMCE-1210,SMCE-1612,THHF-49S3,SMLF-1610,TC900,463-F,168-B SERIES,SMCM-3225H,463-E,168-P SERIES,163-B,163-F,163-E,165-B,SMCE-2016,SMCE-3225,VC800,SMAC-1045H,463-F SERIES,THR-1612,VC800 SERIES,SMAC-7050H,163-P,HC-49S,149-B SERIES,149-F SERIES,THHF-49S2B,THHF-49S2A,TC950 SERIES,SMCM-2016H,SMCE-2520,THR-2016,160-B SERIES,SMLF-3215,163-P SERIES,SMCE-5032,TC800,163-B SERIES,163-E SERIES,163-F SERIES,SMCM-5032H,SMCE-7050,TC800 SERIES,149-B,168-B,SMHF-49C,149-E,SMHF-49B,149-F,SMHF-49D,160-B,SMCE-6035,SMLF-2012,THR-2520,463-E SERIES,TC900 SERIES,TC950,THHF-49S,168-P,149-E SERIES

选型指南 - 应达利 - 2023/6/12 PDF 英文下载