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更多>>Abracon时钟振荡器是5G无线模块的解决方案ASA-26.000MHZ-L-T
来源：http://www.zhaoxiandz.com 作者：bius 2022年10月19
Abracon时钟振荡器是5G无线模块的解决方案ASA-26.000MHZ-L-T，IEEE 1588 provides precise synchronization of clocks in a packet-based network system and is
the backbone of 5G synchronization. IEEE 1588 is a Precision Timing Protocol (PTP) that enables
heterogeneous systems of which include clocks of various inherent precision, resolution, and stability
that synchronizes to a grandmaster clock. The protocol supports system-wide synchronization accuracy
in the sub-microsecond range with minimal network and local clock computing resources.
The PTP can react to clocking disruptions on the network, like losing a master clock. Within the standard
is a ranking algorithm that chooses the highest-ranking timing packet when a synchronization error is
invoked in the network. This warrants special attention to the reference oscillators employed at each
stage of the network.
One of the most challenging aspects of 5G’s implementation will be the numerous RRUs that are needed
to compete with the current 4G coverage. The plethora of RRUs is necessary for the easily obstructable
millimeter waves. These units will be installed at light posts, roadways, intersections, roof tops, etc. This
densification of RRUs lends itself to varying environmental conditions that may have not been a concern
before and may pose a threat to the stringent timing requirements of 5G.
IEEE 1588在基于分组的网络系统中提供精确的时钟同步5G同步的主干。IEEE 1588是一种精确定时协议(PTP)异构系统包括各种固有精度、分辨率和稳定性的时钟它与特级大师时钟同步。石英晶振成了最为适合5G的元器件，该协议支持全系统的同步精度在亚微秒范围内，以最小的网络和本地时钟计算资源。
| Manufacturer Part Number | Manufacturer品牌 | Series | Type 类型 | Frequency 频率 | Voltage - Supply电压 | Operating Temperature 工作温度 |
| ASE-48.000MHZ-ET | Abracon晶振 | ASE | XO (Standard) | 48MHz | 3.3V | -20°C ~ 70°C |
| ASE-13.500MHZ-ET | Abracon晶振 | ASE | XO (Standard) | 13.5MHz | 3.3V | -20°C ~ 70°C |
| ASE-25.000MHZ-ET | Abracon晶振 | ASE | XO (Standard) | 25MHz | 3.3V | -20°C ~ 70°C |
| ASE-40.000MHZ-ET | Abracon晶振 | ASE晶振 | XO (Standard) | 40MHz | 3.3V | -20°C ~ 70°C |
| ASE2-50.000MHZ-ET | Abracon晶振 | ASE2 | XO (Standard) | 50MHz | 2.5V | -20°C ~ 70°C |
| ASE2-30.000MHZ-ET | Abracon晶振 | ASE2 | XO (Standard) | 30MHz | 2.5V | -20°C ~ 70°C |
| ASE2-25.000MHZ-ET | Abracon晶振 | ASE2 | XO (Standard) | 25MHz | 2.5V | -20°C ~ 70°C |
| ASA-16.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 16MHz | 3.3V | -40°C ~ 85°C |
| ASA-26.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 26MHz | 3.3V | -40°C ~ 85°C |
| ASA-12.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 12MHz | 3.3V | -40°C ~ 85°C |
| ASA-40.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 40MHz | 3.3V | -40°C ~ 85°C |
| ASA-60.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 60MHz | 3.3V | -40°C ~ 85°C |
| ASA-19.200MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 19.2MHz | 3.3V | -40°C ~ 85°C |
| ASA-20.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 20MHz | 3.3V | -40°C ~ 85°C |
| ASA-22.000MHZ-L-T | Abracon晶振 | ASA | XO (Standard) | 22MHz | 3.3V | -40°C ~ 85°C |
Abracon时钟振荡器是5G无线模块的解决方案ASA-26.000MHZ-L-T，PTP可以对网络上的时钟中断做出反应，比如丢失一个主时钟。在标准当同步错误发生时，是否有选择排名最高的定时包的排序算法在网络中调用。这就需要特别注意每一处所使用的参考振荡器，石英晶体振荡器阶段网络。
5G实施最具挑战性的方面之一将是所需的大量rru来与目前的4G网络竞争。过多的RRUs对于容易阻碍的任务来说是必要的毫米波。Abracon晶振公司竭尽全力解决所遇到的问题，这些装置将安装在灯柱、道路、十字路口、屋顶等处。这RRUs的致密化会影响到不同的环境条件，这可能不是一个值得关注的问题并可能对5G严格的时序要求构成威胁。
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此文关键字： Abracon有源晶振
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