TCXO晶振对于网络传输速度的影响
来源:http://www.jinluodz.com 作者:金洛鑫电子 2024年01月03
当温度稳定性要求超出标准晶体时钟振荡器[XO]或压控晶体振荡器[VCXO]的范围时,使用TCXO[温度补偿晶体振荡器]器件。TCXO提供了一种抵消晶体振荡器中温度变化引起的频率变化的方法,最终改变了输出频率。TCXO晶振为设计工程师提供了一种设备,可以弥合标准XO或VCXO与OCXO之间的稳定性差距,有时相当于低等级OCXO设计的性能。今天的TCXO设计比OCXO具有更低的功耗和更小的封装尺寸。本技术摘要将帮助用户理解TCXO的基本功能和属性,并讨论常见的应用程序和市场。
TCXO广泛用于电信应用,GPS定位,导航和定时系统,具有标准XO或VCXO无法达到的更严格的温度稳定性。它们是VCXO和OCXO之间的桥梁,它可能比典型的振荡器更昂贵,消耗更多的功率。技术的推动是朝着更低功耗和更低成本的方向发展,因此tcxo为功率和成本敏感的应用提供了良好的中端解决方案。应用程序暴露在动态变化的环境中,同时需要保持对网络参考的连续锁定,或者可能在无线或高速数字路由器中传输,必须保持频率单调行为,这可能需要TCXO的补偿。
随着个人便携式设备的发展,由于稳定性、尺寸要求和电池操作,对tcxo的需求大大增加。TCXO是理想的解决方案。蜂窝电话就是一个很好的例子,这种设备在其生命周期内暴露在温度变化中,同时保持锁定在给定的网络上,并且永远不会影响其数据交换性能。给定智能手机设备中的无线电在保持运行时受到天气变化,冲击和振动,外部干扰的影响.
随着用户对更多数据的需求,下一代Wi-Fi和5G移动网络将需要处理比目前更大的数据量,并且速度更快。为了满足这种需求,以及在没有误差的信号水平下穿透建筑物的需要,小型基站将被用于扩大通信数据的分布,从而减少个别电台的潜在负荷。小型基站是一种微型基站,它具有蜂窝塔的所有性能特征,具有简单和低功耗,但也可以与蜂窝塔系统的稳定性和准确性相媲美。小蜂窝包括皮蜂窝、微蜂窝和飞蜂窝,可包括室内/室外系统。用于此目的的振荡器将需要更高的耐温性,更低的相位噪声和更低的功耗。在这种情况下,对具有这种突出特点的TCXO的需求预计会增加。
温度稳定性通常被描述为“±ppm”[百万分之一]。例如,在-40°C至+85°C的工作温度范围内,常见的稳定性为±0.28 ppm,并将参考+25°C时的频率值。+25°C时的频率读数参考最终用户所需的标称频率,在温度范围-40°C至+85°C内,设备频率将偏离标称频率不超过0.28ppm。频率-温度迟滞限制了TCXO的最终稳定性。晶体谐振器是这种迟滞的主要来源,它可以最小化,但不能消除。
用于5G网络的CTS晶振精密定时设备利用低噪声频率合成技术来清除系统频率噪声,并将低频乘以高频,使我们的技术适用于高传输速率。我们的嵌入式ASIC解决方案和高Q晶体技术提供优化的信噪比,从而产生用于数据,语音和视频传输的精确和干净的信号。
针对不断发展的5G新无线电[NR]标准和用于支持5G架构的小型蜂窝和远程无线电头应用的芯片组解决方案的高稳定性性能属性。535和536的设计目的是在高传输频率下实现低噪声性能,同时保持节能,并提供低噪声频率参考信号,紧凑的稳定性选项低至±0.1ppm,工作温度范围为-40°C至+105°C,支持室外部署,并可选择剪切正弦或HCMOS输出。可选电压控制频率调谐和输出使能功能也可用。
针对不断发展的5G新无线电[NR]标准和用于支持5G架构的小型蜂窝和远程无线电头应用的芯片组解决方案的高稳定性性能属性。535和536的设计目的是在高传输频率下实现低噪声性能,同时保持节能,并提供低噪声频率参考信号,紧凑的稳定性选项低至±0.1ppm,工作温度范围为-40°C至+105°C,支持室外部署,并可选择剪切正弦或HCMOS输出。可选电压控制频率调谐和输出使能功能也可用。
CTS原厂编码 | 生产商 | 型号 | 类型 | 频率 | 电压 | 频率稳定度 |
1380100-004 | CTS晶振 | - | OCXO | 20 MHz | 3.3V | 10ppb |
334L1000B3C2T | CTS晶振 | 334P/L | VCXO | 100 MHz | 2.5V | ±50ppm |
334L1000B3C3T | CTS晶振 | 334P/L | VCXO | 100 MHz | 3.3V | ±50ppm |
334L1000B3I2T | CTS晶振 | 334P/L | VCXO | 100 MHz | 2.5V | ±50ppm |
334L1000B3I3T | CTS晶振 | 334P/L | VCXO | 100 MHz | 3.3V | ±50ppm |
334L1000B4C2T | CTS晶振 | 334P/L | VCXO | 100 MHz | 2.5V | ±30ppm |
334L1000B4C3T | CTS晶振 | 334P/L | VCXO | 100 MHz | 3.3V | ±30ppm |
334L1000B4I2T | CTS晶振 | 334P/L | VCXO | 100 MHz | 2.5V | ±30ppm |
334L1000B4I3T | CTS晶振 | 334P/L | VCXO | 100 MHz | 3.3V | ±30ppm |
334L1000B5C2T | CTS晶振 | 334P/L | VCXO | 100 MHz | 2.5V | ±25ppm |
334L1000B5C3T | CTS晶振 | 334P/L | VCXO | 100 MHz | 3.3V | ±25ppm |
334L1062B3C2T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 2.5V | ±50ppm |
334L1062B3C3T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 3.3V | ±50ppm |
334L1062B3I2T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 2.5V | ±50ppm |
334L1062B3I3T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 3.3V | ±50ppm |
334L1062B4C2T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 2.5V | ±30ppm |
334L1062B4C3T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 3.3V | ±30ppm |
334L1062B4I2T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 2.5V | ±30ppm |
334L1062B4I3T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 3.3V | ±30ppm |
334L1062B5C2T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 2.5V | ±25ppm |
334L1062B5C3T | CTS晶振 | 334P/L | VCXO | 106.25 MHz | 3.3V | ±25ppm |
334L1228B3C2T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 2.5V | ±50ppm |
334L1228B3C3T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 3.3V | ±50ppm |
334L1228B3I2T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 2.5V | ±50ppm |
334L1228B3I3T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 3.3V | ±50ppm |
334L1228B4C2T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 2.5V | ±30ppm |
334L1228B4C3T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 3.3V | ±30ppm |
334L1228B4I2T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 2.5V | ±30ppm |
334L1228B4I3T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 3.3V | ±30ppm |
334L1228B5C2T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 2.5V | ±25ppm |
334L1228B5C3T | CTS晶振 | 334P/L | VCXO | 122.88 MHz | 3.3V | ±25ppm |
334L1250B3C2T | CTS晶振 | 334P/L | VCXO | 125 MHz | 2.5V | ±50ppm |
334L1250B3C3T | CTS晶振 | 334P/L | VCXO | 125 MHz | 3.3V | ±50ppm |
334L1250B3I2T | CTS晶振 | 334P/L | VCXO | 125 MHz | 2.5V | ±50ppm |
334L1250B3I3T | CTS晶振 | 334P/L | VCXO | 125 MHz | 3.3V | ±50ppm |
334L1250B4C2T | CTS晶振 | 334P/L | VCXO | 125 MHz | 2.5V | ±30ppm |
334L1250B4C3T | CTS晶振 | 334P/L | VCXO | 125 MHz | 3.3V | ±30ppm |
334L1250B4I2T | CTS晶振 | 334P/L | VCXO | 125 MHz | 2.5V | ±30ppm |
334L1250B4I3T | CTS晶振 | 334P/L | VCXO | 125 MHz | 3.3V | ±30ppm |
334L1250B5C2T | CTS晶振 | 334P/L | VCXO | 125 MHz | 2.5V | ±25ppm |
334L1250B5C3T | CTS晶振 | 334P/L | VCXO | 125 MHz | 3.3V | ±25ppm |
334L1320B3C2T | CTS晶振 | 334P/L | VCXO | 132 MHz | 2.5V | ±50ppm |
334L1320B3C3T | CTS晶振 | 334P/L | VCXO | 132 MHz | 3.3V | ±50ppm |
334L1320B3I2T | CTS晶振 | 334P/L | VCXO | 132 MHz | 2.5V | ±50ppm |
334L1320B3I3T | CTS晶振 | 334P/L | VCXO | 132 MHz | 3.3V | ±50ppm |
334L1320B4C2T | CTS晶振 | 334P/L | VCXO | 132 MHz | 2.5V | ±30ppm |
334L1320B4C3T | CTS晶振 | 334P/L | VCXO | 132 MHz | 3.3V | ±30ppm |
334L1320B4I2T | CTS晶振 | 334P/L | VCXO | 132 MHz | 2.5V | ±30ppm |
334L1320B4I3T | CTS晶振 | 334P/L | VCXO | 132 MHz | 3.3V | ±30ppm |
334L1320B5C2T | CTS晶振 | 334P/L | VCXO | 132 MHz | 2.5V | ±25ppm |
334L1320B5C3T | CTS晶振 | 334P/L | VCXO | 132 MHz | 3.3V | ±25ppm |
334L1485B3C2T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 2.5V | ±50ppm |
334L1485B3C3T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 3.3V | ±50ppm |
334L1485B3I2T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 2.5V | ±50ppm |
334L1485B3I3T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 3.3V | ±50ppm |
334L1485B4C2T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 2.5V | ±30ppm |
334L1485B4C3T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 3.3V | ±30ppm |
334L1485B4I2T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 2.5V | ±30ppm |
334L1485B4I3T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 3.3V | ±30ppm |
334L1485B5C2T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 2.5V | ±25ppm |
334L1485B5C3T | CTS晶振 | 334P/L | VCXO | 148.5 MHz | 3.3V | ±25ppm |
334L1500B3C2T | CTS晶振 | 334P/L | VCXO | 150 MHz | 2.5V | ±50ppm |
334L1500B3C3T | CTS晶振 | 334P/L | VCXO | 150 MHz | 3.3V | ±50ppm |
334L1500B3I2T | CTS晶振 | 334P/L | VCXO | 150 MHz | 2.5V | ±50ppm |
334L1500B3I3T | CTS晶振 | 334P/L | VCXO | 150 MHz | 3.3V | ±50ppm |
334L1500B4C2T | CTS晶振 | 334P/L | VCXO | 150 MHz | 2.5V | ±30ppm |
334L1500B4C3T | CTS晶振 | 334P/L | VCXO | 150 MHz | 3.3V | ±30ppm |
334L1500B4I2T | CTS晶振 | 334P/L | VCXO | 150 MHz | 2.5V | ±30ppm |
334L1500B4I3T | CTS晶振 | 334P/L | VCXO | 150 MHz | 3.3V | ±30ppm |
334L1500B5C2T | CTS晶振 | 334P/L | VCXO | 150 MHz | 2.5V | ±25ppm |
334L1500B5C3T | CTS晶振 | 334P/L | VCXO | 150 MHz | 3.3V | ±25ppm |
334L1536B3C2T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 2.5V | ±50ppm |
334L1536B3C3T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 3.3V | ±50ppm |
334L1536B3I2T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 2.5V | ±50ppm |
334L1536B3I3T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 3.3V | ±50ppm |
334L1536B4C2T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 2.5V | ±30ppm |
334L1536B4C3T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 3.3V | ±30ppm |
334L1536B4I2T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 2.5V | ±30ppm |
334L1536B4I3T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 3.3V | ±30ppm |
334L1536B5C2T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 2.5V | ±25ppm |
334L1536B5C3T | CTS晶振 | 334P/L | VCXO | 153.6 MHz | 3.3V | ±25ppm |
334L1555B3C2T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 2.5V | ±50ppm |
334L1555B3C3T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 3.3V | ±50ppm |
334L1555B3I2T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 2.5V | ±50ppm |
334L1555B3I3T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 3.3V | ±50ppm |
334L1555B4C2T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 2.5V | ±30ppm |
334L1555B4C3T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 3.3V | ±30ppm |
334L1555B4I2T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 2.5V | ±30ppm |
334L1555B4I3T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 3.3V | ±30ppm |
334L1555B5C2T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 2.5V | ±25ppm |
334L1555B5C3T | CTS晶振 | 334P/L | VCXO | 155.52 MHz | 3.3V | ±25ppm |
334L1562B3C2T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 2.5V | ±50ppm |
334L1562B3C3T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 3.3V | ±50ppm |
334L1562B3I2T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 2.5V | ±50ppm |
334L1562B3I3T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 3.3V | ±50ppm |
334L1562B4C2T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 2.5V | ±30ppm |
334L1562B4C3T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 3.3V | ±30ppm |
334L1562B4I2T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 2.5V | ±30ppm |
334L1562B4I3T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 3.3V | ±30ppm |
334L1562B5C2T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 2.5V | ±25ppm |
334L1562B5C3T | CTS晶振 | 334P/L | VCXO | 156.25 MHz | 3.3V | ±25ppm |
334L2000B3C2T | CTS晶振 | 334P/L | VCXO | 200 MHz | 2.5V | ±50ppm |
334L2000B3C3T | CTS晶振 | 334P/L | VCXO | 200 MHz | 3.3V | ±50ppm |
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