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如何提高晶振输出的频率精度?2023-02-09如何提高晶振输出的频率精度?晶诺威科技解释如下: 首先,晶振分为无源晶振(晶体谐振器)和有源晶振(晶体振荡器)两种。无源晶振的输出频率精度可微调,而有源晶振的频率输出精度不可调。 通常,晶振输出的时钟精度是由其本身频率精度所决定,外部条件的改变并不能大幅度提高晶振输出频率精度,一般要更换更高精度的晶…
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晶振频率稳定度frequency stability越低越好吗?2023-02-06Question: Hello, I have a question! Which values are better in terms frequency stability? Higher or lower? Comparing a 0.5ppm to a 1.5ppm? 你好,我…
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什么是晶体振荡器的频率稳定度(Frequency stability)?2023-02-03Frequency stability represents the variation of output frequency of a crystal oscillator due to external conditions like temperature variation, voltag…
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晶体谐振器和晶体振荡器频率稳定性的重要作用2023-01-28Quartz crystal resonators and oscillators are used in a wide range of electronic applications that require timing devices. The quality of the quartz c…
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石英晶体的谐振频率为何具备稳定特性?2023-01-11The resonant frequency of the crystal remains very stable because it is primarily determined by the physical size. Its stability is in the order of a …
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The wide utilization of a quartz crystal oscillator in our daily life2023-01-09When your alarm goes off in the morning, you get out of bed and start getting ready for the day. In addition, clock quartz is already the most typical…
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到底是哪些因素影响了晶振频率精度?2023-01-05(有源晶振OSC3225晶振电气参数) (无源晶振SMD3225电气参数) 关于影响晶振频率精度的原因,归纳五点如下: 调整频差(Frequency Tolerance) 在(△F)(at 25℃)基准温度下,工作频率相对于标称频率所允许的偏差。石英晶体谐振器的规格书中,我们常看到调整…
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关于有源晶振Overall Frequency Stability/总频差2022-09-26关于有源晶振Overall Frequency Stability/总频差,解释如下: 总频差,即总频率偏差 英文:Overall Frequency Stability 定义: Inclusive of initial frequency tolerance at 25℃, operating t…
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宽温晶振工作温度范围:-40°C 到 +125°C2022-08-19现今,科技正在迅速扩展到越来越极端的环境中。而在这些环境中,尤其是电子元件必须承受极低或极高的温度,才可能保障设备在极端气侯下正常运行。 晶诺威科技经过二十多年频率控制产品的设计与制造经验,推出适用于极端环境的宽温晶振系列产品(如:8MHz、25MHz、52MHz、125MHz等),可在工作温度 -…
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无源晶振输出频率有偏差是什么原因?怎么解决?2022-07-18首先,无源晶振自身存在不同的频率精度及误差。若在实际应用中发现无源晶振输出频率偏差过大,不能满足需求,建议首先对无源晶振个体进行测试。一般情况下,无源晶振的频率精度一致性通常会小于±10ppm。 在此,请关注以下指标(可选): 调整频差:±10ppm、±20ppm、±30ppm 注:调整频差通常指的…