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现行 IEC 60862-2:2012
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Surface acoustic wave (SAW) filters of assessed quality - Part 2: Guidelines for the use 表面声波(锯)评估质量过滤器 - 第2部分:使用指南
发布日期: 2012-05-07
IEC 60862-2:20 12为电信、测量设备、雷达系统和消费品中使用的SAW滤波器的使用提供了实用指南。一般信息、标准值和试验条件应参考IEC 60862-1。IEC 60862的这一部分包括各种滤波器配置,其工作频率范围是从大约10MHz到3GHz,相对带宽是中心频率的大约0.02%到50%。本标准的目的不是解释理论,也不是试图涵盖实际情况中可能出现的所有可能性。该标准提请注意一些更基本的问题,用户在为新应用订购SAW滤波器之前应考虑这些问题。这种程序将是用户防止性能不令人满意的保险。与上一版相比,此版本包括以下重大技术变更: -第3条“术语和定义”已被删除,以纳入IEC 60862-1的下一版; -锥形IDT滤波器和RSPUDT滤波器已被添加到SAW横向滤波器的条款中。此外,DART、DWSF和EWC作为SPUDT的变体被添加; -已将平衡连接添加到耦合谐振器滤波器的子条款中; -已经描述了最近的基底材料; -增加了关于SAW滤波器封装的子条款。
IEC 60862-2:2012 gives practical guidance on the use of SAW filters which are used in telecommunications, measuring equipment, radar systems and consumer products. IEC 60862-1 should be referred to for general information, standard values and test conditions. This part of IEC 60862 includes various kinds of filter configuration, of which the operating frequency range is from approximately 10 MHz to 3 GHz and the relative bandwidth is about 0,02 % to 50 % of the centre frequency. It is not the aim of this standard to explain theory, nor to attempt to cover all the eventualities which may arise in practical circumstances. This standard draws attention to some of the more fundamental questions, which should be considered by the user before he places an order for a SAW filter for a new application. Such a procedure will be the user's insurance against unsatisfactory performance. This edition includes the following significant technical changes with respect to the previous edition:
- Clause 3 "Terms and definitions" has been deleted to be included in the next edition of IEC 60862-1;
- the tapered IDT filter and the RSPUDT filter have been added to the clause of SAW transversal filters. Also DART, DWSF and EWC have been added as variations of SPUDT;
- the balanced connection has been added to the subclause of coupled resonator filters;
- recent substrate materials have been described;
- a subclause about packaging of SAW filters has been added.
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归口单位: TC 49
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