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Shorter product life and increased technology drive the need for configurable test systems that maximize manufacturers’ investments. The introduction of the Series 2600A System SourceMeter instruments updates the existing Series 2600 instruments to address the parallel test requirements and timecritical applications of today’s test engineers.

更短的产品周期和新增的技术，满足为实现投资最大化的制造商们对可配置测试系统的迫切需求。2600A系统数字源表是对现有2600系列数字源表[1]的改进，可以满足当今测试工程师并行测试以及时间关键应用的需求。

Just what improvements were made? Table 1 provides an overview of the significant differences between the Series 2600A and the Series 2600.

新的仪表都有哪些改进呢？表1对2600A系统和2600系列数字源表[2]之间的主要区别进行了对比。

表1  2600系列和2600A[3]系统数字源表特性/能力比较

Current users of the Series 2600 SourceMeter instruments will find migrating their applications to Series 2600A instruments easy. Nearly all the commands for the Series 2600A are backward compatible， so existing programs should run with little or no modification. Better still， with some code modification to support the new trigger model， the Series 2600A offers users the potential to achieve throughput improvements， as well as synchronization of source and measure operations across multiple units.

目前，2600系列数字源表的用户发现：将应用转向2600A系列数字源表将更容易。2600A系列数字源表的所有命令几乎都是后向兼容的，因此现有程序不必修改或只需稍加修改，就可以运行。值得一提的是，为支持新触发模型而对某些代码修改后，2600A系列数字源表将为用户提供更大的吞吐量，并实现多个设备之间源和测量操作的同步。

To highlight the advantages the Series 2600A offers， thisapplication note considers new features in light of common semiconductor test applications.

为了突出2600A系列数字源表的优势，这个应用笔记将从常见的半导体测试应用角度对其新特性进行说明。

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[1] 半导体源测量单元 (SMUs) http://www.keithley.com.cn/products/semiconductor/sourcemeasureunits

[2] 2600系列数字源表 http://www.keithley.com.cn/products/semiconductor/sourcemeasureunits/series2600sys

[3] 2600A http://www.keithley.com.cn/news/prod080923