The Crystal Oscillator Startup Time is Too Long, Hardware & Software Can be Optimized Together Like This

2024-10-18 YXC Official Website
crystal oscillator,fast start-up crystal oscillators,high-precision temperature compensated crystal oscillators,TCXOs crystal oscillator,fast start-up crystal oscillators,high-precision temperature compensated crystal oscillators,TCXOs crystal oscillator,fast start-up crystal oscillators,high-precision temperature compensated crystal oscillators,TCXOs crystal oscillator,fast start-up crystal oscillators,high-precision temperature compensated crystal oscillators,TCXOs

1. Possible causes and influencing factors

crystal oscillator characteristics

1) Quality factor (Q value): Q value is an important indicator to measure the performance of crystal oscillators, which indicates the ratio of stored energy to lost energy. Crystal oscillators with low Q values take longer to accumulate energy and reach a stable oscillation state when starting.


2) Aging phenomenon: As the crystal oscillator is used for a longer time, it will have problems such as frequency drift, reduced Q value and increased resonant impedance, which will lead to a longer start-up time.


Circuit design

1) Load capacitance: The load capacitance value connected to both ends of the crystal oscillator will directly affect the start-up time. Larger load capacitance takes longer to charge, thereby extending the time it takes for the crystal oscillator to reach a stable oscillation state.


2) Drive power: When the drive power is insufficient, the crystal oscillator takes longer to accumulate enough energy to start oscillation; but excessive drive power may damage the crystal.


3) Circuit layout and interference: Unreasonable circuit layout and strong noise environment may cause signal interference, affecting the normal start-up of the crystal oscillator.


Environmental factors

1) Temperature: Under extreme temperature conditions, the oscillation frequency and start-up time of the crystal oscillator may be significantly affected. In a high temperature environment, the electrical properties of the crystal material will change, resulting in a longer start-up time.


2) Power supply voltage stability: Fluctuations in the power supply voltage may also affect the start-up and stable oscillation of the crystal oscillator.


Software control

3) Startup process settings: If the time to wait for the crystal oscillator to stabilize during the software initialization process is set too long, it will directly lead to a longer system startup time.


4) Calibration algorithm: Although the calibration algorithm can compensate for the deviation caused by environmental factors, over-reliance on software calibration may increase the CPU burden and affect system performance.


2. Regarding the problem of long crystal oscillator startup time, the following are some specific optimization suggestions:

Hardware optimization suggestions

1) Replace high-performance crystal oscillators: Select crystal oscillators with fast startup characteristics, such as fast start-up crystal oscillators. These crystal oscillators are designed with the need to quickly achieve stable oscillation.


Consider using high-precision temperature compensated crystal oscillators (TCXOs), which not only have better temperature stability, but also usually have shorter startup times.


2) Optimize circuit design: Load capacitance matching: According to the crystal oscillator specification, accurately select and match the load capacitance value. This helps the crystal oscillator reach the resonant state faster.


3) Enhance power supply filtering: Add a low ESR (equivalent series resistance) filter capacitor to the power input of the crystal oscillator to reduce the impact of power supply noise on the crystal oscillator.


4) Drive circuit design: Ensure that the current and voltage provided by the drive circuit meet the specifications of the crystal oscillator to avoid underdriving or overdriving.


5) Circuit layout optimization: Place the crystal oscillator and its related circuits away from the noise source and use a good ground layout to reduce electromagnetic interference.


6) Increase temperature control: For systems that need to work in extreme temperature environments, consider adding temperature control devices (such as heating plates or cooling fans) to keep the crystal oscillator working environment within a suitable temperature range.


Software optimization suggestions

1) Optimize the startup process: Streamline non-essential operations during software initialization and reduce the total time consumed when the system starts.


Add detection logic for the crystal oscillator startup state in the software. Once the crystal oscillator is detected to be oscillating stably, continue to perform subsequent operations immediately to avoid unnecessary waiting time.


2) Implement intelligent calibration: Integrate an intelligent calibration algorithm in the software to dynamically adjust the operating parameters of the crystal oscillator according to real-time conditions such as ambient temperature and power supply voltage to maintain its stability and accuracy. At the same time, ensure that the calibration process does not over-occupy CPU resources.


3) Enhance fault detection and recovery mechanism: Add a detection function for crystal oscillator faults in the software, such as monitoring the frequency and stability of the crystal oscillator output signal to determine whether it is working properly. Once a fault is found, take appropriate recovery measures immediately (such as restarting the system or switching to a backup crystal oscillator).


授权代理商:世强先进(深圳)科技股份有限公司
技术资料,数据手册,3D模型库,原理图,PCB封装文件,选型指南来源平台:世强硬创平台www.sekorm.com
现货商城,价格查询,交期查询,订货,现货采购,在线购买,样品申请渠道:世强硬创平台电子商城www.sekorm.com/supply/
概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
集成电路,电子元件,电子材料,电气自动化,电机,仪器全品类供应:世强硬创平台www.sekorm.com
  • +1 赞 0
  • 收藏
  • 评论 0

本文由玄子转载自YXC Official Website,原文标题为:The crystal oscillator startup time is too long, hardware & software can be optimized together like this!,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。

评论

   |   

提交评论

全部评论(0

暂无评论

相关推荐

Temperature Compensated Crystal Oscillator Is Also One of The Quartz Crystal Oscillators, Referred to as “temperature Compensated Crystal Oscillator“

What are the characteristics of temperature compensated crystal oscillator? Because electronic products in different fields have different demands for quartz crystal oscillators, and temperature-compensated crystal oscillators were developed to compensate for the instability of ordinary crystal oscillators at high temperatures. However, temperature-compensated crystal oscillators have There are many types of temperature compensated crystal oscillators, each with its own characteristics.

设计经验    发布时间 : 2024-01-16

How to Gradually Determine The Parameters and Type When Choosing A Quartz Crystal Oscillator

Crystal oscillators are used in more and more communication equipment. With the development of technology, the types of quartz crystal oscillators are also increasing. Therefore, many users are paying attention to how to choose the parameters and type of crystal oscillators. Yangxing will talk to you about three directions to determine your crystal oscillator type.

设计经验    发布时间 : 2024-03-01

How to Judge the Quality when Choosing a Crystal Oscillator

As an important electronic component chip, crystal oscillators are used in many aspects. When purchasing crystal oscillators in bulk, you cannot only focus on their price, especially when comparing crystal oscillator products within your budget, you must pay attention to their quality. In order to avoid buying bad products due to pricing, let me tell you the common methods to judge the quality of crystal oscillators, so that you can use them as a reference when choosing such products.

设计经验    发布时间 : 2024-01-17

YSO110TR OT2JI-111-50M 石英晶体振荡器 产品规格书

型号- OT2JI-111-50M,YSO110TR 50MHZ 1.8V-3.3V -/+10PPM,YSO110TR

数据手册  -  扬兴晶振  - 版本B.0  - 2022/3/1 PDF 中文 下载

扬兴晶振(YXC)晶振选型指南(简版)

目录- 晶振   

型号- YSO140TC,YSX1612SL,YSX211SL,YSO130HR,HC-49XSMD,HC-49UM,YSX1610SK,YSX1612SC,YSX2012SK,YSX211SC,YSV310PR,YSO9122MR,YSO230LR,YSO120TK,YSO9121MR,YT-38,YSO1212SR,HC-49US,YST310S,YSO8918MR,YSO8209MR,YSO8208MR,YSX306GA,YSO690PR,YSO210PR,HC-49SMD,YSX146GA,YSO1552MK,YSO1512SR,YSO1532MK,YSO1533MK,YSV220PR,YSX1210SL,YSX320GA,YSX321SL,YSX221SC,YSX530GA,YSX531SL,YSO8008MR,YSO8009MR,HC-49XS,YSX321SC,YT-26,YSO8920MR,YSX221SL,YSX531SC,YSO110TR,YSX530SC

选型指南  -  扬兴晶振  - 2021/8/19 PDF 中文 下载

Crystal Oscillator PPM Error Analysis and Calculation Method

Crystal oscillator accuracy is usually measured in PPM, which describes the frequency stability or deviation of the crystal oscillator. PPM represents the relative error between the actual output frequency and the nominal frequency, and is an important parameter for measuring the frequency accuracy of the crystal oscillator.

技术探讨    发布时间 : 2024-11-02

数据手册  -  扬兴晶振  - 2024/5/16 PDF 英文 下载 查看更多版本

数据手册  -  扬兴晶振  - 2024/3/1 PDF 英文 下载

What Does 30pf Mean for a Crystal Oscillator?

30PF for a crystal oscillator refers to an external capacitor of 30PF. The choice of capacitance can directly affect the start-up time, output frequency accuracy and frequency stability of a passive crystal oscillator.

技术探讨    发布时间 : 2024-10-26

数据手册  -  扬兴晶振  - 2024/6/14 PDF 英文 下载 查看更多版本

数据手册  -  扬兴晶振  - 2024/9/16 PDF 英文 下载 查看更多版本

YSO210PR OA1EIB112-148.5M 石英晶体振荡器 产品规格书

型号- OA1EIB112-148.5M,YSO210PR 148.50000MHZ 3.3V -/+20PPM,YSO210PR

数据手册  -  扬兴晶振  - 版本B.0  - 2022/3/1 PDF 中文 下载

YXC Programmable Differential Crystal Oscillator YSO210PR Series, Frequency 155.52MHz, LVPECL Output, Used in Switches

A switch is a network device that is mainly used for forwarding electrical (optical) signals, allowing independent communication between any two network nodes connected to the switch.Switches are not limited to Ethernet applications, but also come in many forms such as telephone voice switches and fiber optic switches to meet different network needs.Switches require a stable clock signal to synchronize the transmission and processing of network data.

应用方案    发布时间 : 2024-06-22

数据手册  -  扬兴晶振  - 2024/9/19 PDF 英文 下载 查看更多版本

YXC automotive grade resonator 8MHz, Passive Crystal Oscillator 3225 Package for Car Bluetooth Module

Bluetooth module is a PCBA board with integrated Bluetooth function, which is used for short-distance wireless communication. It is divided into Bluetooth data module and Bluetooth voice module according to its function. Bluetooth module refers to a collection of basic circuits of chips with integrated Bluetooth function, which is used for wireless network communication.

产品    发布时间 : 2024-06-23

展开更多

电子商城

查看更多

品牌:扬兴晶振

品类:Crystal oscillator

价格:

现货: 0

品牌:扬兴晶振

品类:Crystal oscillator

价格:¥1.5000

现货: 0

品牌:扬兴晶振

品类:CRYSTAL OSCILLATOR

价格:

现货: 0

品牌:扬兴晶振

品类:CRYSTAL OSCILLATOR

价格:¥21.0000

现货: 0

品牌:扬兴晶振

品类:crystal oscillator

价格:

现货: 0

品牌:扬兴晶振

品类:晶振

价格:¥3.9000

现货: 0

品牌:EPSON

品类:Temperature Compensated Crystal Oscillator

价格:¥3.4249

现货: 57,046

品牌:EPSON

品类:CRYSTAL OSCILLATOR

价格:¥2.4460

现货: 13,500

品牌:EPSON

品类:Programmable Crystal Oscillator

价格:¥3.4249

现货: 13,495

品牌:EPSON

品类:CRYSTAL OSCILLATOR

价格:¥3.9139

现货: 11,565

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

现货市场

查看更多

品牌:EPSON

品类:CRYSTAL OSCILLATOR

价格:¥1.4218

现货:70,000

品牌:EPSON

品类:Crystal Oscillator

价格:¥2.9900

现货:27,938

品牌:EPSON

品类:CRYSTAL OSCILLATOR

价格:¥1.5192

现货:10,000

品牌:EPSON

品类:CRYSTAL OSCILLATOR

价格:¥1.6933

现货:3,000

品牌:RENESAS

品类:crystal oscillator

价格:¥32.3940

现货:510

品牌:RENESAS

品类:振荡器

价格:¥6.1800

现货:500

品牌:RENESAS

品类:振荡器

价格:¥10.3689

现货:500

品牌:SKYWORKS

品类:Ultra Series™ Crystal Oscillator

价格:¥240.7838

现货:50

品牌:SKYWORKS

品类:Crystal Oscillator

价格:¥44.0260

现货:45

品牌:SKYWORKS

品类:Ultra Series™ Crystal Oscillator

价格:¥268.3952

现货:35

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

查看更多

授权代理品牌:接插件及结构件

查看更多

授权代理品牌:部件、组件及配件

查看更多

授权代理品牌:电源及模块

查看更多

授权代理品牌:电子材料

查看更多

授权代理品牌:仪器仪表及测试配组件

查看更多

授权代理品牌:电工工具及材料

查看更多

授权代理品牌:机械电子元件

查看更多

授权代理品牌:加工与定制

世强和原厂的技术专家将在一个工作日内解答,帮助您快速完成研发及采购。
我要提问

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

研发客服
商务客服
服务热线

联系我们

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

投诉与建议

E-mail:claim@sekorm.com

商务合作

E-mail:contact@sekorm.com

收藏
收藏当前页面