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TCXO晶振在额定温度范围之外快速降低的巧妙方法

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扫一扫!TCXO晶振在额定温度范围之外快速降低的巧妙方法扫一扫!
 浏览：- 发布日期：2022-04-28 16:30:11【大 中 小】
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  由于5G基础设施部署在密度较大且控制较少的位置,因此在高温和其他恶劣条件下的恢复能力在下一代通信系统中变得越来越重要.由于振荡器在高温下"保持凉爽",

Silicon Labs的定时技术可提供安装在恶劣环境中的设备所需的稳健性.

510BBA156M250BAGR Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA156M250BAGR Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA156M250BAGR Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA125M000BAG Si511 125MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA100M000AAG Si511 100MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA148M500BAG Si511 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA156M250AAG Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA200M000BAG Si511 200MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
530FB125M000DG Si530 125MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BB125M000DG Si531 125MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BB125M000DG Si530 125MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FB200M000DG Si531 200MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FB200M000DG Si530 200MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC156M250DG Si530 156.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC250M000DG Si531 250MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA100M000BAG Si511 100MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA125M000BAG Si510 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA125M000BAG Si511 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA100M000AAG Si511 100MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA000110BAG Si511 148.35165MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA148M500AAG Si511 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA200M000BAG Si511 200MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA200M000BAG Si510 200MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA200M000AAG Si511 200MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA25M0000BAG Si511 25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FCA100M000BAG Si511 100MHz 2.5V ±20ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BCA100M000BAG Si511 100MHz 3.3V ±20ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
530BA125M000DG Si530 125MHz 3.3V ±50ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FB125M000DG Si531 125MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BB100M000DG Si530 100MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC156M250DG Si530 156.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA125M000BAG Si510 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA74M2500BAG Si511 74.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA156M250BAG Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA156M250BAG Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA200M000BAG Si510 200MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA200M000BAG Si510 200MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
530FA156M250DG Si530 156.25MHz 2.5V ±50ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC000110DG Si531 148.35165MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
535FB125M000DG Si535 125MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)

  TCXO晶振和OCXO晶振用于需要高稳定性频率参考的蜂窝基站等应用.由于可能存在冷却系统故障,因此在此类事件中使用能够承受高温并保持系统功能的定时解决方案非常重要.除了持久的故障条件外,OCXO晶振和TCXO晶振的扩展温度操作可以使系统更加强大和可靠,或根本不需要冷却风扇.

SI50122-A4-GM SI50122-A4 100MHz 2.25 V ~ 3.63 V +100ppm 10-VFDFN 0.098" L x 0.079" W (2.50mm x 2.00mm)
511ABA156M250AAGR Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA156M250AAGR Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA156M250AAGR Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC125M000DG Si530 125MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC200M000DG Si531 200MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC250M000DG Si531 250MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC622M080DG Si530 622.08MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA100M000BAG Si511 100MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA106M250BAG Si511 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA156M250AAG Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA156M250AAG Si510 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC125M000DG Si531 125MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC125M000DG Si530 125MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FB106M250DG Si531 106.25MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC156M250DG Si531 156.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC200M000DG Si531 200MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC148M500DG Si531 148.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC200M000DG Si530 200MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC200M000DG Si530 200MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC156M250DG Si531 156.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC200M000DG Si530 200MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536BB156M250DG Si536 156.25MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536FB156M250DG Si536 156.25MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536AB156M250DG Si536 156.25MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA125M000BAG Si510 125MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA000149BAG Si511 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA100M000BAG Si510 100MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA106M250BAG Si511 106.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA106M250BAG Si510 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA125M000AAG Si511 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA100M000AAG Si510 100MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA125M000AAG Si510 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA100M000AAG Si511 100MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA106M250AAG Si511 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA148M500BAG Si511 148.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA148M500BAG Si510 148.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511BBA156M250BAG Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA156M250BAG Si511 156.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA148M500BAG Si510 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)

  想象一下,在一个只有一个蜂窝塔的偏远地区,当无线基础设施发生故障时需要拨打紧急电话!失败可能是由同步和定时问题引起的,因为每个新一代无线通信的时序要求都会受到更大的压力.

  与主机系统中的电子组件相比,具有较低MTBF的这些冷却风扇仍然不是故障安全的并且可能由于多种原因而发生故障.由于存在这种风险,因此了解关键组件(例如为系统提供心跳的振荡器)在故障条件下的行为方式非常重要.

511BBA156M250AAG Si511 156.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA156M250AAG Si510 156.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA155M520AAG Si511 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA148M500AAG Si510 148.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA155M520AAG Si511 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA148M500AAG Si510 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA148M500AAG Si510 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510DBA100M000AAG Si510 100MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC125M000DG Si531 125MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC125M000DG Si531 125MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC156M250DG Si530 156.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC156M250DG Si531 156.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC148M500DG Si531 148.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC155M520DG Si531 155.52MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC155M520DG Si530 155.52MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC155M520DG Si531 155.52MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC200M000DG Si531 200MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC148M500DG Si530 148.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536EB156M250DG Si536 156.25MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536BB125M000DG Si536 125MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC622M080DG Si531 622.08MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC312M500DG Si531 312.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA000149BAG Si510 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA000149BAG Si510 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA000149BAG Si511 74.175824MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA106M250BAG Si510 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA106M250BAG Si511 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA74M2500BAG Si511 74.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA000149BAG Si511 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA000149BAG Si510 74.175824MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA74M2500BAG Si510 74.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA000149AAG Si510 74.175824MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA125M000AAG Si510 125MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA106M250AAG Si510 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA106M250AAG Si511 106.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA74M2500AAG Si510 74.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA000149AAG Si511 74.175824MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA000149AAG Si510 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA000149AAG Si510 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA74M2500AAG Si510 74.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)

  为此,我们推动了各种振荡器的极限,测量超出额定工作范围的稳定性.我们测试了额定温度为+85°C的温补晶振器件并将其推至+125°C,并测试了额定温度为+85°C,最高温度为+105°C的OCXO.以下图表显示了在这些较高温度下性能下降的结果.在每次测试中,我们将Silicon Labs MEMS振荡器(用绿线表示)与来自不同供应商的石英振荡器进行比较,所有这些都在同一类别中且具有相同的温度额定值.为了使比较更容易,每个器件的值在+85°C时从它们的频率开始,从同一点开始.

511ABA74M2500AAG Si511 74.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA106M250AAG Si510 106.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA000149AAG Si511 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA74M2500AAG Si510 74.25MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA74M2500AAG Si511 74.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA106M250AAG Si510 106.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511BBA000149AAG Si511 74.175824MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA155M520BAG Si510 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA155M520BAG Si510 155.52MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA155M520BAG Si511 155.52MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA000110BAG Si510 148.35165MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA000110BAG Si511 148.35165MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA148M500BAG Si511 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA155M520BAG Si511 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA000110BAG Si510 148.35165MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA000110BAG Si510 148.35165MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510BBA155M520BAG Si510 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510FBA155M520AAG Si510 155.52MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA000110AAG Si510 148.35165MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA000110AAG Si510 148.35165MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA155M520AAG Si511 155.52MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ABA155M520AAG Si510 155.52MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA148M500AAG Si511 148.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA148M500AAG Si511 148.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511FBA156M250AAG Si511 156.25MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA212M500BAG Si510 212.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511FBA212M500BAG Si511 212.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA212M500BAG Si510 212.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
511ABA200M000BAG Si511 200MHz 3.3V ±25ppm 6-SMD, No Lead 0.197" L x 0.126" W (5.00mm x 3.20mm)
510ABA212M500AAG Si510 212.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510BBA212M500AAG Si510 212.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA212M500AAG Si510 212.5MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510FBA200M000AAG Si510 200MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
511ABA212M500AAG Si511 212.5MHz 3.3V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510EBA125M000AAG Si510 125MHz 2.5V ±25ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
510ACA47M2500AAG Si510 47.25MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC106M250DG Si530 106.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC106M250DG Si530 106.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC106M250DG Si531 106.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC106M250DG Si531 106.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)

  由于石英晶体振荡器中的频率偏移非常极端,我们在上面的垂直y轴上显示出非常宽的偏移范围.我们放大显示相同的测试,但在y轴上具有不同的比例,以更好地显示石英基器件的稳定性如何在额定温度范围之外快速降低.

530FC106M250DG Si530 106.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC106M250DG Si530 106.25MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC187M500DG Si531 187.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC155M520DG Si530 155.52MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC155M520DG Si531 155.52MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC187M500DG Si530 187.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC187M500DG Si531 187.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC187M500DG Si531 187.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC000110DG Si530 148.35165MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC148M500DG Si530 148.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC000110DG Si530 148.35165MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC000110DG Si530 148.35165MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC000110DG Si531 148.35165MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC148M500DG Si531 148.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC155M520DG Si530 155.52MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC156M250DG Si530 156.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530AC187M500DG Si530 187.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC187M500DG Si530 187.5MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC187M500DG Si530 187.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC148M500DG Si530 148.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC200M000DG Si530 200MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531FC155M520DG Si531 155.52MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC156M250DG Si531 156.25MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC155M520DG Si530 155.52MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC000110DG Si530 148.35165MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC148M500DG Si530 148.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536AB125M000DG Si536 125MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
535EB125M000DG Si535 125MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
536EB125M000DG Si536 125MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
535BB125M000DG Si535 125MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
535BB156M250DG Si535 156.25MHz 3.3V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
535FB156M250DG Si535 156.25MHz 2.5V ±20ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC312M500DG Si530 312.5MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530BC250M000DG Si530 250MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530EC311M040DG Si530 311.04MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC311M040DG Si530 311.04MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
530FC622M080DG Si530 622.08MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531AC311M040DG Si531 311.04MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531BC311M040DG Si531 311.04MHz 3.3V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)
531EC311M040DG Si531 311.04MHz 2.5V ±7ppm 6-SMD, No Lead 0.276" L x 0.197" W (7.00mm x 5.00mm)

  当需要精确的稳定性时-就像无线基础设施设备一样-设计人员经常转向温补晶振和OCXO(烤箱控制振荡器**).这些振荡器设计用于在温度变化时提供更好的频率稳定性.高温和高温变化是造成振荡器不稳定的主要原因.然而,TCXO晶振和OCXO晶振很难在额定工作温度高于+85°C时找到,通常被认为是工业应用的上限.

  85°C可能看起来很高,但在当今更密集的操作环境中,系统机箱中的环境温度会迅速升高.例如,电信和网络设备在密集的热环境中运行.这些系统中的许多系统使用主动冷却-无刷直流风扇,这是最常用的-将温度保持在规定的工作范围内.

“推荐阅读”

    【本文标签】：TCXO晶振在额定温度范围之外快速降低的巧妙方法
    【责任编辑】：亿金电子版权所有：http://www.vc-tcxo.com转载请注明出处

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